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Issue Date Contents

  No. 74 February 2017 1. License
1.1 New version of Creative Peace License
2. Conferences
2.1 Conference ICCA11 - Ghent University/Belgium - August 2017
2.2 Alterman Summer School 2017: Call for fee payment
2.3 CfP: Mini-Symposium QCFTW3 at ICCA11, 7-11 Aug. 2017, Ghent, Belgium
2.4 Full paper submission deadline reminder: "13th Feb. 2017" for ENGAGE 2017 (at CGI 2017, 27 June 2017, Yokohama, Japan)
3. Publications
3.1 M.E. Horn: Modern Linear Algebra – A crash course of Geometric Algebra
3.2 M.E. Horn: More Examples of Non-Square Matrix Inverses
3.3 Easter and Hitzer: Double conformal space-time algebra
3.4 A.H.A Eid: GA Explorer Updates - January 2017
3.5 M.E. Horn: Solving Inconsistent Systems of Linear Equations (Part I)
4. Software
4.1 A.H. Eid: Free edition of GMac software
5. Jobs
5.1 Job offer with possibility for doctorate or habilitation - Freiberg/Germany

  No. 73 December 2016 1. Conferences
1.1 First Call for registration: Alterman Summer School 2017, 31 Jul. - 04 Aug. 2017, Sofia, Bulgaria
1.2 CfP: 17th Conference on Computational and Mathematical Methods in Science and Engineering CMMSE 2017, July 4-8, Cadiz, Andalucia, Spain.
1.3 CfP for ENGAGE 2017 at CGI 2017, 27 June 2017, Keio University, Yokohama, Japan
1.4 International Summer School Hypercomplex Numbers, Lie Groups, and Applications, 9-12 June 2017, Varna (Bulgaria)
2. Publications
2.1 C. Castro: Generalizations of Schwarzschild and (Anti) de Sitter Metrics in Clifford Spaces
2.2 R. Easter: Conic and Cyclidic Sections in the G8,2 Geometric Algebra, DCGA
2.3 Easter & Hitzer: Conic and Cyclidic Sections in Double Conformal Geometric Algebra G8,2
2.4 Zou et al: Quaternion Collaborative and Sparse Representation With Application to Color Face Recognition
3. Software
3.1 New release plan for Christmas: Clifford Multivector Toolbox for MATLAB
3.2 Ahmad Hosny Eid: GMac "Geometric Macro" a .NET based software system
3.3 A.H. Eid: Invitation to contribute to software website
3.4 Christmas edition: Clifford Multivector Toolbox release 1.1
4. Lectures
4.1 Tokyo lecture of Anna Kit Ian Kou: The Applications of Quaternion Linear Canonical Transforms
5. Merry Christmas & Blessed Happy New Year 2017!

  No. 72 November 2016 1. Conferences
1.1 S. Xambo: Report on Santander Geometric Algebra Summer School of Aug. 2016 (Spanish)
1.2 CfP: WSCG 2017 & GraVisMa 2017, Plzen, Czech Republic, 29 May-2 June 2017
1.3 Early Proceedings of the Alterman Conference 2016 & Alterman Summer School 2017 information
1.4 Save the date: ENGAGE 2017 at CGI 2017, 27 June 2017, Keio University, Yokohama, Japan.
1.5 17th International Conference Computational and Mathematical Methods in Science and Engineering, CMMSE 2017, 4-8 July 2017, Rota, Cadiz, Spain
1.6 Special session: Clifford, Quaternionic and Harmonic Analysis and Applications at ICMM-2017, 4-9 July 2017, Yakutsk, Russia
2. Publications
2.1 M. Muto et al: LIFTING TO GL(2) OVER A DIVISION QUATERNION ALGEBRA, AND AN EXPLICIT CONSTRUCTION OF CAP REPRESENTATIONS
2.2 M. Josipović: Functions of Multivectors in 3D Euclidean Geometric Algebra Via Spectral Decomposition (For Physicists and Engineers)
2.3 M. Josipović: Comment on "Exploring the Origin of Minkowski Spacetime"
2.4 Bahri+Ashino: Some Properties of Windowed Linear Canonical Transform and its Logarithmic Uncertainty Principle
2.5 Bahri+Ashino: A simplified Proof of Uncertainty Principle for Quaternion Linear Canonical Transform
2.6 AM Moya et al: The Dirac-Hestenes Equation and its Relation with the Relativistic de Broglie-Bohm Theory
2.7 Rodrigues Jr. + Wainer: The Relativistic Hamilton-Jacobi Equation for a Massive, Charged and Spinning Particle, its Equivalent Dirac Equation and the de Broglie-Bohm Theory
2.8 AACA, Contents of Vol. 26, Issue 4
2.9 Botelho and Rodrigues Jr: Bosonization of Fermionic Fields and Fermionization of Bosonic Fields
3. Videos
3.1 N. Okamoto: Video lesson 01, From Vectors to Multivectors

  No. 71 September 2016 1. Conferences
1.1 W.K. Clifford's GA and GIS (25+26 Aug. 2016, Nanjing): Abstract deadline now 15th June 2016
1.2 [GROUP31] BULLETIN BOARD: GROUP31 - ICGTMP: you still can register!
1.3 Abstract booklet + Reminder for submissions for the Early Proceedings‏, Altermann Conference, 4-6 Aug. 2016, Brasov, Romania
1.4 Program of Workshop GACSE at CGI, 28 Jun. 2016, Crete, Greece
1.5 Preliminary program of Session Clifford algebras, Clifford analysis and their applications at ICNPAA, 5-8 Jul. 2016, La Rochelle, France
1.6 Mathematical Optics, Image Modelling and Algorithms 2016, 20-23 June, Hanover, Germany
1.7 16th International Conference Computational and Mathematical Methods in Science and Engineering, Mini-symposium on hypercomplex methods in mathematical and applications, 4-8 July, 2016, Rota, Cadiz, Spain
1.8 Waves in Science and Engineering (WISE) 2016, August 22-26, Queretaro, CINVESTAV, Mexico
1.9 ICNAAM 2016, Clifford Analysis and Applications, 19-25 Sep. 2016, Rodos, Greece
1.10 Workshop Complex function theory, its generalizations and applications, 12-16 Sep. 2016, Rome, Italy
2. Publications
2.1 Book: New conformal GA chapter available for Alan Macdonald's Linear and Geometric Algebra Book
2.2 Book: 2nd edition of The Many Faces of Maxwell, Dirac and Einstein Equations by Rodrigues, Jr. & Capelas de Oliveira
2.3 Hitzer & Sangwine: Technical Report on Multivector and multivector matrix inverses in real Clifford algebras
2.4 New book by Guerlebeck et al: Application of Holomorphic Functions in Two and Higher Dimensions
2.5 Y. Yang et al: Edge Detection Methods Based on Differential Phase Congruency of Monogenic Image
2.6 XL Fan et al: Quaternion Wigner–Ville distribution associated with the linear canonical transforms
2.7 KI Kou et al: Envelope detection using generalized analytic signal in 2D QLCT domains
2.8 F. Wei et al: Algebraic Solution for the Forward Displacement Analysis of the General 6-6 Stewart Mechanism
2.9 Z. Yu et al: A dynamic evacuation simulation framework based on geometric algebra
3. Software
3.1 D. Prodanov: Maxima Clifford Algebra paper and software
3.2 C. Saint-Jean et al: Free program for Clifford Fourier Transform for color images (CFFT)
3.3 Software: Clifford Multivector Toolbox for Matlab, version 1.0
4. Prize
4.1 W.K. Clifford Prize 2017 - Call for Nominations, deadline: 30 Sep. 2016

  No. 70 May 2016 1. Conferences
1.1 GACSE Workshop, 28 June 2016, Crete: Full paper deadline 2/14 --> 2/21!
1.2 Altermann Conference, 1-9 Aug. 2016, Brasov, Romania: Information about lodging
‏ 1.3 CFP: Geometric Algebra and Geographical Information Science: Development and Applications (GAGIS), 25-26 Aug.2016, Nanjing, China
1.4 Call for Early Proceedings: Altermann Conf. Brasov, Romania, 1-9 Aug. 2016
1.5 Group 31: Session on Lie algebras and Groups, Clifford algebras, Representation Theory, Special Functions, Rio De Janeiro, Brazil, 19-25 June 2016
1.6 GACSE 2016 (at CGI in Crete) Workshop Short Paper Call: Deadline 24/04/2016
1.7 ICNPAA session on Clifford algebras, Clifford analysis, La Rochelle, France, July 5-8, 2016.
1.8 GROUP31 - ICGTMP: early registration deadline is postponed till april 25, 2016
1.9 1 Week Deadline Extension: CGI GACSE Workshop Short Papers to 02 May 2016
1.10 Alterman Conference on Geometric Algebra: Reminder for abstract submission and deadlines
1.11 ICCA11 Mini-symposium: Quaternion and Clifford Fourier transforms and wavelets 3 (QCFTW3)
1.12 Alterman conference: Reminder of deadlines and submissions for the Early Proceedings
1.13 17th Santaló Research Summer School 22-26 Aug. 2016, Santander, Spain / 1st email announcement
2. Publications
2.1 E. Hitzer: General Two-Sided Clifford Fourier Transform, Convolution and Mustard Convolution
2.2 Hildenbrand and Oldenburg: Geometric Algebra: A Foundation of Elementary Geometry with possible Applications in Computer Algebra based Dynamic Geometry Systems
2.3 D. Klawitter: Clifford Algebras Geometric Modelling and Chain Geometries with Application in Kinematics
2.4 "Hypercomplex Signal Processing", special issue in Signal Processing (Elsevier): DEADLINE 30/03/2016 !
2.5 Ji-yi Zhang et al: 3D Cadastral Data Model Based on Conformal Geometry Algebra
2.6 AACA, Contents of Vol. 26, Issue 1
2.7 Alpay et al: The spectral theorem for quaternionic unbounded normal operators based on the S-spectrum
2.8 C. E. I. Redelmeier: Explicit multi-matrix topological expansion for quaternionic random matrices
2.9 L. Huang et al: The Moore–Penrose inverses of matrices over quaternion polynomial rings
2.10 Z.H. He et al: Two-sided coupled generalized Sylvester matrix equations solving using a simultaneous decomposition for fifteen matrices
2.11 A. Rehman et al: Solution to a system of real quaternion matrix equations encompassing η-Hermicity
2.12 Constales et al: A new construction of the Clifford-Fourier kernel
2.13 Special Issue "Hypercomplex Signal Processing": DEADLINE extension 30/04/2016 !
2.14 L. Dorst: The Construction of 3D Conformal Motions
2.15 E. Hitzer: One-Sided Clifford Fourier Transform, and Convolution Products in the Spatial and Frequency Domains
2.16 Sangwine+Hitzer: Clifford Multivector Toolbox (for MATLAB)
2.17 M. Kobayashi: Hybrid quaternionic Hopfield neural network
2.18 "Hypercomplex Signal Processing", special issue in Signal Processing (Elsevier): DEADLINE 30/04/2016 !!!
2.19 D. Klawitter: Reflections in conics, quadrics and hyperquadrics via Clifford algebra
2.20 AACA, Contents of Vol. 26, Issue 2
3. Prizes
3.1 W.K. Clifford Prize 2017 - CALL FOR NOMINATIONS
4. Anniversary
4.1 70th edition

  No. 69 February 2016 1. Conferences
1.1 CFP: Geometric Algebra in Computer Science and Engineering Workshop, 28 June 2016, Crete, Greece
1.2 Clifford Analysis and Applications at ICNAAM 2016, 19-25 Sep. 2016, Rhodes, Greece
1.3 GACSE 2016 Crete: Online submission for full papers
1.4 REMINDER - CfP - WSCG & HCI-Europe & GraVisMa - May 30- June 3, 2016, Submission February 20, 2016
1.5 Alterman Conference on Geometric Algebra and Summer School on Kaehler Calculus: Call for fee payment and deadlines
1.6 GACSE workshop at CGI2016, Crete, Greece, 28th June 2016, preliminary abstract submission: 07 Feb. 2016
2. Publications
2.1 CFP: Special Issue of Elsevier Signal Processing: Hypercomplex Sig. Proc.
2.2 C. Castro: Clifford Algebraic Unification of Conformal Gravity with an Extended Standard Model
2.3 Book: Daviau and Bertrand, The Standard Model of Quantum Physics in Clifford Algebra
2.4 Daviau and Bertrand: Electro-Weak Gauge, Weinberg-Salam Angle
2.5 P. Dechant: Rank-3 root systems induce root systems of rank 4 via a new Clifford spinor construction
2.6 P. Dechant: Clifford Algebra is the Natural Framework for Root Systems and Coxeter Groups. Group Theory: Coxeter, Conformal and Modular Groups
2.7 P. Dechant: The birth of E8 out of the spinors of the icosahedron
2.8 Book by Stecherbic and Buchatsky: Living Matter - Algebra of Molecules
2.9 E. Hitzer: General Two-Sided Quaternion Fourier Transform, Convolution and Mustard Convolution
2.10 De Leo and Ducati: Quaternionic Dirac Scattering
2.11 E. Hitzer: Space-Time Fourier Transform, Convolution and Mustard Convolution
2.12 D. Xu et al: Optimization in Quaternion Dynamic Systems: Gradient, Hessian, and Learning Algorithms
2.13 J. Vargas: Notes on Kähler Calculus
3. Software
3.1 Clifford Multivector Toolbox for Matlab Release 0.9
4. New Year Greetings

  No. 68 December 2015 1. Conferences
1.1 Call for abstracts of contributions to the Alterman Conference, 1-9 Aug. 2016, Brasov, Romania
1.2 ICCA11 save the date: 7-11 Aug. 2017, Ghent, Belgium
1.3 Computer Graphics, Computer Vision and Computational Mathematics GraVisMa 2016, 30 May-3 June 2016, Pilsen, Czech Republic
1.4 WCCI-IJCNN 2016 Vancouver Special Session on Complex-Valued Neural Networks, 25-29 July 2016, Canada
1.5 Call for registration: Alterman Conference on Geometric Algebra and Summer School on Kaehler Calculus, 1-9 Aug. 2016, Brasov, Romania
2. Publications
2.1 D. Eelbode et al: Decomposition of the polynomial kernel of arbitrary higher spin Dirac operators
2.2 C. Castro: Note on a Clifford Algebra Based Grand Unification Program of Gravity and the Standard Model
2.3 Y. Xia et al: Performance Bounds of Quaternion Estimators
2.4 H. De Bie et al: Connecting spatial and frequency domains for the quaternion Fourier transform
2.5 V. R. Chintala: On Suslin Matrices and Their Connection to Spin Groups
2.6 M. E. Horn: Sandwich Product and Reflections
2.7 M. E. Horn: More about Blades and Non-Blades
2.8 M. E. Horn: Modern Linear Algebra - A crash course of Geometric Algebra
2.9 L. Dorst: 3D Oriented Projective Geometry Through Versors of R^3,3
2.10 R. Easter: Differential Operators in the G8,2 Geometric Algebra, DCGA
3. Christmas Greetings

  No. 67 November 2015 1. Conferences
1.1 CGI’16, 28 June – 1 July 2016, Heraklion, Crete, Greece, THE 33rd ANNUAL CONFERENCE
1.2 Alterman Conference on Geometric Algebra and Summer School on Kaehler Calculus, Brasov (Romania), August 1-9, 2016
1.3 CFP: Geometric Algebra in Computer Science and Engineering (GACSE) Workshop at CGI 2016, 28 June 2016, Heraklion, Crete, Greece
1.4 CFP: W.K. Clifford’s Geometric Algebra and Geographical Information Science: Development and Applications (GAGIS), 25-26 Aug. 2016, Nanjing, PR China
2. Publications
2.1 Paul & Ogunfunmi: A Kernel Adaptive Algorithm for Quaternion-Valued Inputs
2.2 D. Alpay (ed.): Operator Theory
2.3 Zhaoyuan Yu et al: Change detection for 3D vector data: a CGA-based Delaunay–TIN intersection approach
2.4 Zhaoyuan Yu et al: Geometric Algebra Model for Geometry-oriented Topological Relation Computation
2.5 Yong Hu et al: Geometric Algebra-based Modeling and Analysis for Multi-layer, Multi-temporal Geographic Data
2.6 Guonian Lü et al: Data environment construction for virtual geographic environment
2.7 AACA, Contents of Vol. 25, Issue 4
2.8 CFP Special Issue of Complex Variables and Elliptic Equations "Clifford analysis - theory and applications"
2.9 Bujack et al: Demystification of the Geometric Fourier Transforms and resulting Convolution Theorems
2.10 E. Hitzer: The Quaternion Domain Fourier Transform and its Properties
3. Videos
3.1 E. Hitzer: 4 elementary video lectures on geometric algebra for freshmen
3.2 A. Macdonald: New YouTube playlist "Geometric Algebra" with six videos
4. Software
4.1 Clifford Multivector Toolbox release 0.8 for MATLAB

  No. 66 September 2015 1. Conferences
1.1 Invitation to Mathematical Optics, Image Modeling and Algorithms (MOIMA), June 20 - 23, 2016, Hanover, Germany
2. Publications
2.1 Benger et al: Differential Methods for Multidimensional Visual Data Analysis
2.2 S. Bernstein: Fractional Riesz-Hilbert transforms and fractional monogenic signals
2.3 Li et al: Three-Dimensional Projective Geometry with Geometric Algebra
2.4 AACA, Contents of Vol. 25, Issue 3
2.5 J.G. Vargas: Algebraic Quarks from the Tangent Bundle: Methodology
2.6 Girard et al: Differential Geometry Revisited by Biquaternion Clifford Algebra
2.7 R.B. Easter: G8,2 Geometric Algebra, DCGA
2.8 R.B. Easter: Quaternions and Clifford Geometric Algebras
2.9 Sir W.R. Hamilton died 150 years ago - Tragik und Mechanik in Physik Journal Newsletter 17/2015 (German)
2.10 S. Xambo: Boletín of the RSME (in Spanish) on AGACSE 2015
2.11 S. Forest et al: Exact synthesis of single-qubit unitaries over Clifford-cyclotomic gate sets
2.12 T. Jiang et al: Algebraic techniques for diagonalization of a split quaternion matrix in split quaternionic mechanics
2.13 Muraleetharan + Thirulogasanthar: Coherent state quantization of quaternions
2.14 M. Papaefthymiou et al: A fast and robust pipeline for populating mobile AR scenes with gamified virtual characters
3. Lectures
3.1 Tokyo lecture of G. Papagiannakis: Gamification, Presence and Interaction in Mixed Reality using Geometric Algebra ..., Kogakuin Univ., 06 Nov. 2015
4. Videos
4.1 World first 3D space group video now online!
4.2 World second 3D space group video now online!
5. Software
5.1 Clifford Multivector Toolbox release 0.7 for MATLAB
6. Obituary
6.1 Professor Roy CHISHOLM (1926 – 2015)
7. Prizes
7.1 First David Hestenes Prize awarded at AGACSE 2015, July 2015, Barcelona, Spain
8. Positions
8.1 H. De Bie: PhD position available at CRG in Ghent, Belgium

  No. 65 July 2015 1. Conferences
1.1 AGACSE 2015 / April Update Announcement, Barcelona, July 29-31, 2015, Spain.
1.2 Computer Graphics, Computer Vision and Mathematics, GraVisMa 2015, 14-18 Sep. 2015, Plzen, Czech Republic
1.3 AGACSE 2015: Early bird registration discount extended until 5th June 2015
1.4 3rd GraVisMa, Sep. 14-18, 2015, Plzen, Czech Republic. Extended submission deadline: June 20, 2015
1.5 IKM 2015: Function theoretic methods and PDE in engineering sciences, 20-22 July 2015, Weimar
1.6 IKM 2015: Mathematical methods for (robotics and) computer vision, 20-22 July 2015
1.7 Extended abstract deadline (10 July 2015) for Mathematical methods for (robotics and) computer vision, 20-22 July 2015, Session at IKM 2015
2. Publications
2.1 J. G. Vargas: Total operators and Inhomogenous proper value equations
2.2 New book - K. Kanatani: Understanding Geometric Algebra: Hamilton, Grassmann, and Clifford for Computer Vision and Graphics
2.3 E. Hitzer: The orthogonal planes split of quaternions and its relation to quaternion geometry of rotations
2.4 G. Floystad: The Exterior Algebra and Central Notions in Mathematics
2.5 Space-Time Algebra Hardcover – April 26, 2015, by D. Hestenes, A. Lasenby (Foreword)
2.6 N. Konno: Quaternionic quantum walks
2.7 AACA, Contents of Vol. 25, Issue 2
2.8 C. Castro: Moyal Deformations of Clifford Gauge Theories of Gravity
3. Lectures
3.1 Tokyo lecture of D. Eelbode on Clifford analysis in the quaternionic setting, ICU, 08 Apr. 2015
3.2 Tokyo presentation by K. Kanatani on Geometry and Algebra: Hamilton, Grassmann, and Clifford (Japanese)
4. Prizes
4.1 AGACSE 2015 Prize Update
4.2 First Chevalley Prize 2016 in Lie Theory - Call for Nominations
4.3 2016 Hans Schneider Prize of the International Linear Algebra Society
5. Videos
5.1 Video lecture - ICU guest lecture, 16 Apr. 2014: The Fueter theorem and symmetries for the Dirac operator, by D. Eelbode
5.2 Visual Space Groups: 2 Minute Videos on YouTube and Blog
5.3 David Hestenes' YouTube Tutorial on Geometric Calculus
5.4 25 online video lectures on Clifford algebra/Clifford analysis of AGACSE 2012 in La Rochelle, France
6. Softwares
6.1 Geometric Algebra is now part of the ecosystem of the HSA Foundation
6.2 Clifford Multivector Toolbox for Matlab Version 0.6

  No. 64 March 2015 1. Conferences
1.1 First Announcement: AGACSE 2015 & Summer School on Geometric Algebra, Barcelona, Spain 27-31 July 2014
1.2 XVII-th International Conference on Geometry, Integrability and Quantization, 5-10 June 2014, Varna, Bulgaria
1.3 12th ICNAAM Symposium Clifford Analysis and Applications, 23-29 Sep. 2015, Rhodes, Greece
1.4 14. Special interest group: IGCQA Quaternionic and Clifford Analysis at Isaac 2015, Macau, 2-8 Aug. 2015
1.5 Minisymposium Hypercomplex methods in mathematics and applications, CMMSE 2015, Cadiz, Spain, 6-10 July 2015
1.6 Workshop Non-commutative Algebras and Applications, 14-16 June 2015, Goslar, Germany
1.7 The 28th International Conference of The Jangjeon Mathematical Society, 15-19 May 2015, ANTALYA-TURKEY
1.8 6th Conference on Applied Geometric Algebras in Computer Science and Engineering, 29-31 July 2015, Barcelona, Spain
1.9 1st Asian Workshop on Clifford's Geometric Algebra and Information Technology – AWCGAIT2015, 26-28 Mar. 2015, DUT, Danang, Vietnam
2. Publications
2.1 AACA, Contents of Vol. 24, Issue 3
2.2 M.E. Horn: An Introduction to Geometric Algebra with some Preliminary Thoughts on the Geometric Meaning of Quantum Mechanics
2.3 C. Castro: The Cosmological Constant from the Extended Theory of Gravitation in Clifford Spaces
2.4 AACA, Contents of Vol. 24, Issue 4
2.5 R. Repges: Geometrische Algebra in der Ebene - Zeiger und komplexe Zahlen (German)
2.6 Linwang Yuan et al: Multidimensional-unified topological relations computation: a hierarchical geometric algebra-based approach
2.7 J. G. Vargas: Kaehler Algebra: Idempotents for Solutions with Symmetry in Metric Spaces
2.8 C. Castro: A Unified Description of Particles, Strings and Branes in Clifford Spaces and p-brane/polyparticle Duality
2.9 Kim et al: Regularity of Functions on the Reduced Quaternion Field in Clifford Analysis
2.10 Kim and Shon: The Regularity of Functions on Dual Split Quaternions in Clifford Analysis
2.11 J. Tolksdorf: The Einstein-Hilbert action with cosmological constant as a functional of generic form
2.12 M. E. Horn: Bridging the Gap Between School Mathematics and the Mathematics of General Relativity
2.13 First Japanese Geometric Algebra Textbook by Kenichi Kanatani
2.14 H. Ishida et al: 3D Road Boundary Detection Using Conformal Geometric Algebra
2.15 AACA, Contents of Vol. 25, Issue 1
2.16 M. Pedone et al: Quaternion Wiener Deconvolution for Noise Robust Color Image Registration
3. Lectures
3.1 Tokyo Lecture, 04 Mar. 2015, by S. Sangwine (University of Essex) on Colour Image Processing with Hypercomplex Algebra
4. Prize
4.1 AGACSE 2015 Prize
5. Videos
5.1 Video lecture on Colour Image Processing with Hypercomplex Algebra, S. Sangwine, 09 March 2015, Kogakuin University Tokyo, Japan
5.2 K. Tachibana: Quaternions and Geometric Algebra applied to Computational Intelligence (video lecture, Japanese)
5.3 AWCGAIT2015, 27 Mar. 2015: Overview of Quaternion and Clifford Fourier Transforms, E. Hitzer (video lecture)
6. Software
6.1 First beta version of new Clifford Multivector Toolbox for MATLAB
7. Other
7.1 Novel by R. Chisholm

  No. 63 September 2014 1. Conferences
1.1 Clifford Session at ISAAC 2015, University of Macao, 2-8 August 2015
1.2 SPECIAL SESSION ON QUATERNIONIC AND CLIFFORD ANALYSIS, ISAAC 10, Macau, Aug. 2-8, 2015
1.3 2nd W. K. Clifford Prize Lecture at UCL London, 7 Nov. 2014
1.4 6th Conference on Applied Geometric Algebras in Computer Science and Engineering, 29-31 July 2015, Barcelona, Spain
2. Publications
2.1 Book discount for J.G. Vargas: Differential Geometry for Physicists and Mathematicians
2.2 B. Schmeikal: Decay of Motion: The Anti-Physics of Space-Time
2.3 Lopez et al: Applications of Conformal Geometric Algebra in Mesh Deformation
2.4 N. Faustino: Solutions for the Klein-Gordon and Dirac equations on the lattice based on Chebyshev polynomials
2.5 E. Hitzer: New Developments in Clifford Fourier Transforms
2.6 B. Schmeikal: Tessarinen, Nektarinen und andere Vierheiten
2.7 H. I. Petrache: Coset Group Construction of Multidimensional Number Systems
2.8 Ell et al: Quaternion Fourier Transforms for Signal and Image Processing
2.9 Book: Daviau, Bertrand. New Insights in the Standard Model of Quantum Physics in Clifford Algebra
2.10 Sangwine: Perspectives on Color Image Processing by Linear Vector Methods Using Projective Geometric Transformations
2.11 D. Hestenes: Tutorial on Geometric Calculus + online links
2.12 Alpay et al: Basics of Functional Analysis with Bicomplex Scalars, and Bicomplex Schur Analysis
2.13 Gentilli et al: Regular Functions of a Quaternionic Variable
2.14 Ginzberg + Walden: Matrix-Valued and Quaternion Wavelets
2.15 IEEE Transactions on Neural Networks and Learning Systems: Special Issue on Complex- and Hypercomplex-Valued Neural Networks
2.16 Chappell et al: Geometric Algebra for Electrical and Electronic Engineers
2.17 C. Castro: Extended Lorentz Transformations in Clifford Space Relativity Theory
2.18 S. Ivanov et al: Quaternionic Contact Einstein Structures and the Quaternionic Contact Yamabe Problem
3. Jobs/Grants
3.1 Doctoral Grant by the University Research Fund (BOF) in the area of Mathematics
4. Prizes
4.1 ICCA10 best presentation prizes to C. Furey (Canada) and H. De Ridder (Belgium)
4.2 Eelbode Awarded Clifford Prize, Notices of the AMS, V61, N8

  No. 62 June 2014 1. Conferences
1.1 Third Announcement of ICCA 10, 4-9 Aug. 2014, Tartu, Estonia
1.2 ICCA10, 4-9 Aug. 2014, Tartu, Estonia: Early payment period extended
1.3 Last call for Group 30, 14-18 July 2014, Ghent, Belgium
1.4 WS at ICCA10: Geometric Algebra in the High School and Undergraduate Curriculum
1.5 2nd Invitation to Session QCFTW2, 4-5 Aug. 2014, ICCA10, Tartu, Estonia
1.6 Fifth Announcement of ICCA 10, 2014, Tartu, Estonia
1.7 6th Announcement of ICCA 10: New workshop added
1.8 7th Announcement of ICCA 10: One more workshop
1.9 8th Announcement of ICCA 10 - Plenary talks and schedule (preliminary info)
2. Publications
2.1 S. Sangwine: On harmonic analysis of vector-valued signals
2.2 Brackx et al: Fundaments of Quaternionic Clifford Analysis III: Fischer Decomposition in Symplectic Harmonic Analysis
2.3 Book by JG Vargas: Differential Geometry for Physicists and Mathematicians
2.4 JG Vargas: Helmholtz Theorem for Differential Forms in 3-D Euclidean Space
2.5 C. Castro: On Clifford Space Relativity, Black Hole Entropy, Rainbow Metrics, Generalized Dispersion and Uncertainty Relations
2.6 Book: G. Sobczyk, New Foundations in Mathematics
2.7 J. Vargas: Helmholtz-Hodge Theorems: Unification of Integration and Decomposition Perspectives
2.8 C. Castro: A Clifford-Gravity Based Cosmology, Dark Matter and Dark Energy
2.9 M. Maute: Geometric Algebra, Quaternions, Hypercomplex Numbers
2.10 AACA, Contents of Vol. 24, Issue 2
3. Job
3.1 Lecturer/Senior Lecturer in Mathematics at Otago
4. Prize
4.1 The second W. K. Clifford Prize has been awarded to David Eelbode
5. GA-Net+
5.1 What is GA-Net+?
5.2 S. Georgiev: Foundations of Iso-Differential Calculus. Vol. 1
5.3 R. Chisholm: A NOVEL VENTURE
5.4 Matsumoto Boarding School Project for the Children of Fukushima

  No. 61 April 2014 1. Conferences
1.1 Noncommutative Analysis, Operator Theory and Applications, Milano, Italy, June 23-27, 2014
1.2 WS: Quaternion and Clifford Fourier Transforms and Wavelets 2 at ICCA10, Tartu, Estonia, 4-5 Aug. 2014
1.3 WS: Discrete and Continuous Quaternionic and Clifford analysis at ICCA10, Tartu, Estonia, 4-9 Aug. 2014
2. Publications
2.1 AACA, Contents of Vol. 24, Issue 1
2.2 C. Castro: Why a Minimal Length Follows from the Extended Relativity Principle in Clifford Spaces
2.3 De Leo, Giardino: Dirac solutions for quaternionic potentials
2.4 Brackx et al: Fundaments of Quaternionic Clifford Analysis I
2.5 C. Castro: The Minimal Length Stringy Uncertainty Relations Follow from Clifford Space Relativity
2.6 Eelbode+Hitzer: Operator Exponentials for the Clifford Fourier Transform on Multivector Fields
2.7 Xu et al: An Ordered-Patch-Based Image Classification Approach on the Image Grassmannian Manifold
2.8 Opfer+Janovská: Linear equations and the Kronecker product in coquaternions
2.9 Opfer+Janovská: The algebraic Riccati equation for quaternions
2.10 Browne: Grassmann Algebra, Vol. 1 Foundations

  No. 60 February 2014 1. Conferences
1.1 ICCA10 Workshop: From Signals to Consciousness using Clifford and Geometric Algebras
1.2 2nd circular Group 30: 30th International Colloquium on Group Theoretical Methods in Physics
2. Publications
2.1 C. Castro: A Clifford Algebra Based Grand Unification Program of Gravity and the Standard Model : A Review Study
2.2 L. Dorst: Total Least Squares Fitting of k-Spheres in nD Euclidean Space Using an (n+2)D Isometric Representation
2.3 Contents of CACAA 2012 - 2013
2.4 Morais et al: Real Quaternionic Calculus Handbook
2.5 C. Castro: Novel Physical Consequences of the Extended Relativity in Clifford Spaces
2.6 Lazaroiu et al: The geometric algebra of Fierz identities in arbitrary dimensions and signatures
2.7 H.J. Petsche: The 'Chemistry of Space': The Sources of Hermann Grassmann's Scientific Achievements.
3. Anniversary: 10 years of GA-Net

  No. 59 December 2013 1. Conferences
1.1 IJCNN-2014, Session Complex Valued NN, 6-11 July 2014, Beijing, China
2. Publications
2.1 Hitzer & Ichikawa: Representation of Crystallographic Subperiodic Groups in Clifford’s Geometric Algebra
2.2 New book by B. Schmeikal: Primorial Space and Logic Case
2.3 AACA, Contents of Vol. 23, Issue 4
2.4 Elduque, Kochetov: Gradings on Simple Lie Algebras
2.5 Berhuy, Oggier: An Introduction to Central Simple Algebras and Their Applications to Wireless Communication
2.6 J.G. Vargas: U(1) × SU(2) from the tangent bundle
2.7 A. Macdonald: A Survey of Geometric Algebra and Geometric Calculus
3 Software
3.1 A. Bromborsky: Geometric Algebra Module for Sympy (Python)
4. E.H.: Christmas and New Year 2014 Greetings

  No. 58 November 2013 1. Conferences
1.1 ICCA10, 2nd Announcement, 4-9 Aug. 2014, Tartu, Estonia
1.2 IWOTA 2014, 14-18 July 2014, University of Amsterdam, The Netherlands
1.3 ICNAAM 2014, 22-28 Sep. 2014, Rhodes, Greece
1.4 Coordination of IWOTA 2014 and Group 30 Clifford Analysis Sessions
2. Publications
2.1 Rizo-Rodríguez et al: Illumination invariant face recognition using quaternion-based correlation filters
2.2 Proceedings of ICNAAM 2013 - 10-th Symposium on Clifford Analysis and Applications
2.3 E. Hitzer: The Quest for Conformal Geometric Algebra Fourier Transformations
2.4 E. Hitzer: Extending Fourier Transformations to Hamilton's Quaternions and Clifford’s Geometric Algebras
2.5 R. Bujack et al: Demystification of the geometric Fourier transforms
2.6 Yang+Kou: Uncertainty principles for hypercomplex signals in the linear canonical transform domains
2.7 Kou, Ou, Morais: On Uncertainty Principle for Quaternionic Linear Canonical Transform

  No. 57 October 2013 1. Conferences
1.1 10th Int. Conf. on Clifford Algebras and their Applications in Math. Physics, 4-9 Aug. 2014, Tartu, Estonia
1.2 ISAAC9 registration deadline: 31 May 2013 - Session on Clifford and Quaternion Analysis, 5-9 Aug. 2013, Krakow, Poland
1.3 Session on Application of Clifford algebra at 3rd SICE Symposium on Computational Intelligence, Osaka, 30 Aug. 2013
1.4 ICNAAM 2013: New Deadline for Submission of abstracts/short papers: 01 August 2013
1.5 30th International Colloquium on Group Theoretical Methods in Physics, First circular, 14-18 July 2014, Ghent, Belgium
1.6 Workshop on Results in Mathematics and Physics obtained by Methods of Hypercomplex Analysis, 7-11 Nov. 2013, Orange, CA, USA
1.7 Applied Hypercomplex Analysis at ICNPAA 2014, 15-18 July 2014, Narvik, Norway
2. Publications
2.1 Hitzer+Nitta+Kuroe: Applications of Clifford’s Geometric Algebra
2.2 C. Castro: The Extended Born's Reciprocal Relativity Theory
2.3 Book: Gentili et al - Regular Functions of a Quaternionic Variable
2.4 Book: Sabadini et al - Advances in Hypercomplex Analysis
2.6 C. Castro: Octonionic Ternary Gauge Field Theories Revisited
2.7 AACA, Contents of Vol. 23, Issue 2
2.8 Hitzer+Sangwine (eds.): Quaternion and Clifford Fourier Transforms and Wavelets
2.9 125 years of Guiseppe Peano's Geometric Calculus according to the Ausdehnungslehre of H. Grassmann
2.10 Book by N. Marchuk: Field theory equations
2.11 Book by E. Meinrenken: Clifford Algebras and Lie Theory
2.12 Z. Yu etal: Clifford Algebra based Structure Filtering Analysis for Geophysical Vector Fields
2.13 C. Castro: Super-Clifford Gravity, Higher Spins, Generalized Supergeometry and much more
2.14 AACA, Contents of Vol. 23, Issue 3
2.15 L. Yuan et al: Pattern forced geophysical vector field segmentation based on Clifford FFT
2.16 J. Snygg: 50% on ebook Diff. Geom. using Cliff. Geom. Alg.
3. Clifford Society
3.1 Vote: Yes/No to Clifford Society
4. Software
4.1 Versor (libvsr) A (Fast) C++ library for Conformal Geometric Algebra - Mac and Linux

  No. 56 March 2013 1. Conferences
1.1 30th International Colloquium on Group Theoretical Methods in Physics ICGTMP2014 - Group30, 14-18 July 2014, Gent, Belgium
1.2 10-th Symposium on Clifford Analysis and Applications at ICNAAM 2013, 21-27 Sep. 2013, Rhodes, Greece
1.3 Clifford Algebra Welcome at Third Int. Conf. on Theoretical Physics, June 24-28, 2013, Moscow, Russia
1.4 WSCG2013-CfP - Graphics, Visualization, Computer Vision - Plzen Close to Prague‏, June 24-27, 2013, Czech Republic 1.5 21st ICFIDCAA, 15-19 June 2013, Nanjing, China
1.6 10th Symposium Clifford Analysis and Applications at ICNAAM 2013, Rhodes, Greece, 21-27 Sep. 2013
1.7 Deadlines extended: WSCG2013 - Graphics, Visualization, Computer Vision - Plzen‏, June 24-27, 2013, Czech Rep
2. Publications
2.1 M.E. Horn: Binomial Construction of the Trinomial Triangle 2.2 M.E. Horn: Geometric Algebra of Quarks
2.3 Book: M.E. Horn, Pauli-Algebra und S3-Permutationsalgebra
2.4 Book: D.J.H. Garling, Clifford Algebras: An Introduction
2.5 C. Perelman et al: Law of Sums of the Squares of Areas, Volumes and Hyper Volumes of Regular Polytopes from Clifford Polyvectors
2.6 C. Castro: Some Solutions to the Clifford Space Gravitational Field Equations
2.7 New textbook: Vector and Geometric Calculus, by Alan Macdonald
2.8 Book: L'unification des mathématiques Algèbres géométriques, géométrie algébrique et philosophie de Langlands (French)
2.9 Deadline extension for Special Issue of IEEE ON COMPLEX- AND HYPERCOMPLEX-VALUED NEURAL NETWORKS
2.10 P. Angles et al: L'unification des mathématiques (French)
2.11 C. Castro: The Extended Relativity Theory in Clifford Phase Spaces and Modifications of Gravity at the Planck/Hubble Scales
2.12 K. Matsuzaki, T. Sugawa: Topics in Finite or Infinite Dimensional Complex Analysis
2.13 AACA, Contents of Vol. 23, Issue 1
2.14 N. Faustino: Discrete Clifford Analysis (blog)
3. Prizes
3.1 W. K. Clifford Prize 2014 - CALL FOR NOMINATIONS
4. Lectures
4.1 M.E. Horn lecture: About the Relations between inner and outer Products of Geometric Algebra (German), 8 Mar. 2013, Muenster, Germany
5. Software
5.1 GALua module: Lua programming language with support for GA data-types
5.2 Updated version of free Space Group Visualizer software: High speed + PowerPoint integration

  No. 55 November 2012 1. Conferences
1.1 9th ISAAC Congress, Krakow, Poland, August 5-10, 2013
1.2 International Conference ICFIDCAA21, 15-19 June 2013, Nanjing, China
2. Publications
2.1 V.V. Varlamov: Cyclic structures of Cliffordian supergroups and particle representations of Spin_+(1,3)
2.2 C. Castro: Clifford Space Gravitational Field Equations and Dark Energy
2.3 AACA, Contents of Vol. 22, Issue 3
2.4 M. E. Horn: Living in a World without Imaginaries.
2.5 [CFP] Special Issue in IEEE TNNLS: Complex- and Hypercomplex-Valued Neural Networks
2.6 GA-Net server URL to be changed!
2.7 GA-Net has new URL
2.8 CAOT Section on Higher Dimensional Geometric Function Theory and Hypercomplex Analysis, Vol. 6 (5), Oct. 2012
2.9 AACA, Contents of Vol. 22, Issue 4
3 Lectures
3.1 03 Nov. 2012: Mathe einfach gemacht! (With geometric algebra.) Childrens' University by Dietmar Hildenbrand, TU Darmstadt (German)
3.2 M.E. Horn: Die Raumzeit-Algebra der (3x3)-Matrizen (German)
4 Positions
4.1 PostDoc position at Univ.of West Bohemia, Plzen, Czech Republic
5 Prizes
5.1 ESCMSE Honorary Fellowship awarded to D. Hildenbrand

  No. 54 July 2012 1. Conferences
1.1 New homepage of 20th ICFIDCAA, 29 Jul. - 03 Aug. 2012, Hanoi, Vietnam
1.2 Reminder: Abstract submission deadline for GA+Apps @ IKM 2012: 15 June 2012
1.3 Program of ICNPAA 2012, 10-14 July 2012, Vienna, Austria
1.4 Preliminary Program of AGACSE 2012, 2-4 July 2012, La Rochelle, France
1.5 GA+Apps@IKM 2012: Program and Proceedings
1.6 8th Int. Conf. Finsler Extensions of Relativity Theory (FERT-2012), 25 June-1 July 2012, Moscow, Russia
2. Publications
2.1 AACA, Contents of Vol. 22, Issue 2
2.2 2011 Impact Factor of Journal Complex Analysis and Operator Theory
2.3 C. Castro: On Clifford Space and Higher Curvature Gravity
2.4 D. Hildenbrand (book): Foundations of Geometric Algebra Computing, Sep. 2012
2.5 Journal: Hypercomplex Numbers in geometry and Physics
2.6 J. Vargas: Real Units Imaginary in Kahler's Quantum Mechanics
2.7 C. Castro: Progress in Cli fford Space Gravity
3 Lectures
3.1 M.E. Horn et al: Quanten-Computing und Geometrische Algebra (German)

  No. 53 May 2012 1. Conferences
1.1 Second Call for Papers - AGACSE 2012, 2-4 July 2012, La Rochelle, France
1.2 Session on Continuous and discrete Clifford analysis at 23rd IWOTA, 16-20 July 2012, Sydney, Australia
1.3 WSCG 2012 - 2nd Call for Papers, June 25-28, 2012, Plzen, Czech Republic
1.4 AGACSE 2012: Submission Deadline Extension to 31 March 2012
1.5 WSCG 2012: DEADLINE EXTENDED to APRIL 5, 2012
1.6 Deadline extension to 6 April 2012, AGACSE 2012, La Rochelle, France
1.7 9-th Symposium Clifford Analysis and Applications at the ICNAAM 2012, 19-25 Sep. 2012, Kos, Greece
1.8 19th Int. Conf. on the Appl. of Computer Sc. and Math. in Architecture and Civil Engineering, 4-6 July 2012, Weimar, Germany
1.9 WSCG 2012 - Call for POSTERS - REMINDER
1.10 IKM 2012: Session on Geometric Algebra and Applications, 06 July 2012, Weimar, Germany
1.11 Update on: Geometric Algebra and Applications Session at IKM 2012, 06 July 2012, Weimar, Germany
2. Publications
2.1 AACA, Contents of Vol. 22, Issue 1
2.2 Book by Schott+Staples: Operator Calculus on Graphs, ICP 2012
2.3 E. Hitzer: Online preprints (2010-2012), video lectures and mathematical reviews
2.4 Second call for papers for first issue of CACAA, submit by 12 March 2012!
2.5 C. Castro: Quaternionic-Valued Gravitation in 8D, Grand Unification and Finsler Geometry
2.6 SICE Journal: New Frontier of Computational Intelligence - Focusing on Clifford Algebraic and High-Dimensional Representations
2.7 Hitzer, Helmstetter and Ablamowicz: Square Roots of ?1 in Real Clifford Algebras
2.8 Ablamowicz, Fauser: On Parallelizing the Clifford Algebra Product for CLIFFORD
2.9 Ablamowicz, Fauser: Using Periodicity Theorems for Computations in Higher Dimensional Clifford Algebras
2.10 Journal CAOT: 1st Issue of Section Higher Dimensional Geometric Function Theory and Hypercomplex Analysis
2.11 JG Vargas: Real Version of Calculus of Complex Variable (I): Weierstrass Point of View
2.12 JG Vargas: Real Version of Calculus of Complex Variable (II): Cauchy's Point of View
2.13 C. Castro: Lanczos-Lovelock and f(R) Gravity from Clifford Space Geometry
3. Obituary
3.1 Prof. Artibano Micali died on 26 December 2012
4 Lectures
4.1 D. Hildenbrand: Geometric Algebra in the Classroom

  No. 52 February 2012 1. Conferences
1.1 Call for Papers - AGACSE 2012, 2-4 July 2012, La Rochelle, France
1.2 Deadline extension to 20 Nov. 2011 for 19th ICFIDCAA in Hiroshima, Japan, 11-15 Dec. 2011.
1.3 Session on Complex-Valued Neural Networks at WCCI 2012, IJCNN 2012, Brisbane, Australia, June 10-15, 2012
1.4 ICNPAA Congress: Mathematical Problems in Engineering, Aerospace and Sciences, 11-14 July, 2012, Vienna, Austria
1.5 Workshop honoring A. Micali, at CAIROS, Toulouse, France, 20+21 March 2012
1.6 20th WSCG 2012 conference, Plzen, Czech Rep., 25-28 June 2012
1.7 20th ICFIDCAA in Hanoi, Vietnam, 29 July - 3 August 2012
1.8 9-th Symposium on Clifford Analysis and Applications at ICNAAM 2012, 19-25 Sep. 2012, Kos, Greece
2. Publications
2.1 AACA, Contents of Vol. 21, Issue 4
2.2 Book: Guide to Geometric Algebra in Practice, Dorst and Lasenby (eds.)
2.3 YUAN LinWang et al: Geometric algebra method for multidimensionally-unified GIS computation
2.4 First call for papers: Clifford Analysis, Clifford Algebras and their applications
2.5 Electronic Submission Portal of AACA now open
2.6 New book: A New Approach to Differential Geometry using Clifford's Geometric Algebra by J. Snygg
2.7 G. Sobczyk: Conformal Mappings in Geometric Algebra, AMS Notices 59(2), 264-273
3. Movies
3.1 5 Space Group Visualizer software videos on YouTube
3.2 5 YouTube tutorials on Clifford's geometric algebra
4. License
4.1 The Creative Peace License for GA-Net Updates (blog)
5. Prizes
5.1 Sylvester Medal for mathematical research - call for nominations
6 Lectures
6.1 Lecture by M. Horn: Die Geometrische Algebra der (3x3)-Matrizen at GDM-Tagung 5-9 March 2012 in Weingarten, Germany
6.2 Lecture by M. Horn: Eine andere Geometrische Algebra, DPG Fruehjahrstagung, 19 Mar. 2012, Mainz, Germany

  No. 51 November 2011 1. Lectures
1.1 Invitation to 1st Clifford Lecture at UCL, 7 Dec. 2011, London, UK
2. Publications
2.1 C. Castro: On Superluminal Particles and the Extended Relativity Theories
2.2 Book: Hypercomplex Analysis and Applications

  No. 50 October 2011 1. Conferences
1.1 ICCA9 - Preliminary Program, 15-20 July 2011, Weimar, Germany
1.2 GraVisMa 2011 - Event CANCELLED
1.3 Special session at ICNPAA Congress: Mathematical Problems in Engineering, Aerospace and Sciences, Vienna, Austria, 11-14 July, 2012
1.4 New date and venue for the 19th International Conference on Finite or Infinite Dimensional Complex Analysis and Applications
1.5 Invitation: session on Clifford Algebras, Clifford Analysis and their applications, ICNPAA Congress: Mathematical Problems in Engineering, Aerospace and Sciences, July 11-14,2012, Vienna, Austria
1.6 AGACSE 2012: Applied Geometric Algebra for Computer Science and Engineering, 2-4 July 2012, La Rochelle, France
1.7 Details for 19th ICFIDCAA in Hiroshima, Japan, 11-15 Dec. 2011
1.8 14th Workshop on Applications and Generalizations of Complex Analysis, 23-24 March 2012, Aveiro, Portugal
1.9 AGACSE 2012, University of La Rochelle, France, 2-4 July 2012
2. Publications
2.1 Quaternions: Part of The Hidden Math Behind Alice in Wonderland
2.2 AACA, Contents of Vol. 21, Issue 3
2.3 Book by R. Boudet: Quantum Mechanics in the Geometry of Space-Time Elementary Theory
3. Prizes
3.1 De Bie Awarded First Clifford Prize (The AMS Notices, 10/2011, p. 1299)
4. Software
4.1 Space Group Visualizer ? New Free Release for all 230 Space Groups
4.2 New version of Gaalop (Geometric algebra algorithms optimizer) available
5. Thanks to all readers and contributors. S.D.G.

  No. 49 June 2011 1. Conferences
1.1 ICCA9 new paper deadline 15 May 2011, guidelines for manuscripts
1.2 First CFP - Special Session on Clifford Algebraic Neural Networks? - ICONIP 2011, Shanghai, 14-17 Nov. 2011
1.3 Extended deadlines for GraVisMa 2011, Ostrava, Czech Republic, 5-8 Sep. 2011
1.4 Correct URL for ICONIP 2011, Special Session on Clifford Algebraic Neural Networks
1.5 Reminder-June 15,2011 - CfP: GraVisMa 2011 - Computer Graphics, Computer Vision and Mathematics
1.6 Deadline extended: 22 June 2011 for Special Session on Clifford Algebraic Neural Networks? - ICONIP 2011, Shanghai, 14-17 Nov. 2011
2. Publications
2.1 Book: Noncommutative Functional Calculus, Colombo et al
2.2 Abstract: P. Dadbeh, Inverse and Determinant in 0 to 5 Dimensional Clifford Algebra
2.3 AACA, Contents of Vol. 21, Issue 2
2.4 New Journal section on Higher Dimensional Geometric Function Theory and Hypercomplex Analysis
3. Lectures
3.1 Talk by G. Sobczyk: New Foundations in Mathematics: The Geometric Concept of Number

  No. 48 March 2011 1. Conferences
1.1 Special Session on CVNN at IEEE IJCNN-2011 - Deadline is extended
1.2 ICNAAM 2011 Symposium on Dirac operators, Harmonic Analysis on manifolds and Automorphic Forms, Greece, 19-25 Sep. 2011
1.3 The 19th International Conference on Finite or Infinite Dimensional Complex Analysis and Applications (19th ICFIDCAA), 31 Jul. - 04 Aug. 2011, Tohoku, Japan
1.4 Reminder: GraVisma 2011 Call for Papers, Ostrava, CZ Rep. 5-8 Sep. 2011
1.5 2nd Announcement of the 8th ISAAC Congress, Moscow, 22-27 Aug. 2011
2. Publications
2.1 New textbook: Linear and Geometric Algebra, by Alan Macdonald
2.2 New editorial board for AACA
2.3 Li et al: Clifford Algebra Realization of Certain Infinite-dimensional Lie Algebras
2.4 JD Bernal: The analytical theory of point systems, 1923
2.5 Book: G. Sobczyk, New Foundations in Mathematics: The Geometric Concept of Number
2.6 AACA, Contents of Vol. 21, Issue 1
3. Organizations
3.1 Webpage of the special interest group on ISAAC interest group on Clifford and Quaternionic analysis
4. Obituary
4.1 Obituary: Ian R. Porteous (University of Liverpool, UK)
5. Prizes
5.1 W.K. Clifford Prize 2011: AMS welcome, Nomination Form, Birhauser Sponsorship
6. Earthquake in Japan

  No. 47 January 2011 1. Conferences
1.1 Complex-Valued Neural Networks Session at IJCNN-2011: San Jose, USA, 31 Jul.-5 Aug. 2011
1.2 8-th Symp. Clifford Analysis and Appl., ICNAAM, 19-25 Sep. 2011, Greece
1.3 ICCA 2011 abstract deadline postponed to 31 January 2011!
1.4 QCFTW session at ICCA 2011 abstract deadline now: 31 Jan. 2011
2. Publications
2.1 HJ Petsche et al, Book: From Past to Future: Grasmann's Work in Context
2.2 BA Sethuraman: Division Algebras and Wireless Communication 2.3 Book: Fernandes, Rodrigues Gravitation as a Plastic Distortion of the Lorentz Vacuum 2.4 C. Castro: Clifford Unified Gauge FT of Gravity Maxwell and Yang-Mills
2.5 Took, Mandic: A Quaternion Widely Linear Adaptive Filter
2.6 Took, Mandic: Augmented second-order statistics of quaternion random signals
2.7 Ivanov, Vissilev: Extremals for the Sobolev Inequality and the Quaternionic Contact Yamabe Problem
3. Obituary
3.1 Death of Jaime Keller on Friday, 07 January 2011
4. Prize
4.1 W. K. Clifford Prize 2011 - Call for Nominations

  No. 46 December 2010 1. Conferences
1.1 ICCA9 homepage open: 15-20 July 2011, Weimar, Germany
1.2 Session Call: Quaternion + Clifford Fourier transforms and wavelets at ICCA 2011, 15-20 Jul. 2011, Weimar, Germany
2. Publications
2.1 B.C. Ujang et al: Split quaternion nonlinear adaptive filtering
2.2 AACA, Contents of Vol. 20, Issue 3-4
2.3 MWC Sze et al: Elliptically polarized lightwaves using geom. alg.: is e-m conserved?
2.4 Free Access to Advances in Applied Clifford Algebras until 30 Nov. 2010
2.5 C. Castro: Nonass. Octonionic Ternary Gauge Field Theory
2.6 YUAN LW et al: A 3D GIS spatial data model based on conformal geometric algebra
2.7 DVD of H. Grassmann Bicentennial: Potsdam and Szczecin, 2009
3. Software
3.1 G. Utama: Overview of Geometric Algebra SymPy module GA for Phython

  No. 45 October 2010 1. Conferences
1.1 GraVisMa'10 - Paper deadline: 28 June 2010
1.2 Applied Geometric Algebras in Computer Science and Engineering (AGACSE) 2010, June 14-16th 2010, Amsterdam
1.3 Reminder: Call for Communications, Posters, Software Demos at GraVisMa 2010, 7-10 Sep. 2010, Brno, Czech Rep.
1.4 Late Submissions: 7th Symposium on Clifford Analysis and Applications at ICNAAM 2010
1.5 Program of GraVisMa 2010, 07-10 Sep. 2010, Brno, Cz. Rep.
1.6 7th Symp. on Cliff. Anal. and Appl., ICNAAM, 19-20 Sep. 2010, Rhodes, Greece
2. Publications
2.1 H.J. Petsche: It began with Pestalozzi and Schleiermacher Reflections on the polymath Hermann Grasmann (1809-1877)
2.2 C. Castro: A Clifford algebra realization of Supersymmetry and its Polyvector extension in Clifford Spaces
2.3 Linwang Y. et al: CAUSTA: Clifford Algebra-based Unified Spatio-Temporal Analysis
2.4 C. Castro: Generalized Gravity in Clifford Spaces, Vacuum Energy and Grand Unification
2.5 AGACSE 2008 Proceedings: Geometric Algebra Computing, Springer 2010
3. Software
3.1 New extended Demo Version of Space Group Visualizer with 27 spacegroups

  No. 44 June 2010 1. Conferences
1.1 7th Symposium on Clifford Analysis and Applications at the 8th International Conference of Numerical Analysis and Applied Mathematics 2010
1.2 New deadlines for GraVisMa 2010, Sep. 7-10, 2010, Brno, Czech Republic
1.3 Preliminary Program of AGACSE 2010, Amsterdam, 14-16 June 2010
2. Publications
2.1 Ahmad Hosny Eid: PhD thesis - Optimized Automatic Code Generation for Geometric Algebra Based Algorithms with Ray Tracing Application
2.2 AACA, Contents of Vol. 20, Issue 2
2.3 J. Browne: Updated free book and Mathematica application for Grassmann algebra
2.4 C. Brannen: Spin Path Integrals and Generations
2.5 Ablamowicz+Fauser: On Transposition Anti-Inv. in Real Cliff. Algs. I: Transp. Map
2.6 Ablamowicz+Fauser: On Transposition Anti-Inv. in Real Cliff. Algs. II: Stab. Groups of Prim. Idemp.
2.7 S. Tsuchioka: Hecke?Clifford Superalgebras and Crystals of Type D_l^(2)

  No. 43 April 2010 1. Call for Papers GraVisMa 2010 (Brno, Sep. 2010) Deadline: 25 April 2010
2. GA-Net has moved - New URL + New E-mail

  No. 42 March 2010 1. Conferences
1.1 GraVisMa 2010 workshop on Computer Graphics, Computer Vision and Mathematics Brno, Czech Republic, September 7-10, 2010
1.2 AGACSE 2010: New Homepage
1.3 Session on Applications of Clifford Algebras to Image Processing at 18thICFIDCAA, 13-17 Aug. 2010, Macau
1.4 New homepage: GraVisMa 2010, Brno, Czech Rep., 7-10 Sep. 2010
1.5 Algebra, Geometry and Math. Physics, 15-18 Sep. 2010, Chania, Crete
1.6 Cliff. Anal. and Appl. at ICNAAM 2010, Rhodos, Greece, 19-25 Sep. 2010
1.7 Reminder: abstract submission for AGACSE is March 15, 2010 (NEW: March 29, 2010!)
1.8 AGACSE Abstract Deadline Now 29 March 2010
1.9 MathCryst ECM 26 Satellite Conference, 27-29 Aug. 2010, Darmstadt, Germany
2. Books
2.1 Hypercomplex Analysis (Sabadini, Shapiro, Sommen, eds.)
2.2 H. Crapo, An Algebra of Pieces of Space ? H. Grassmann to G. C. Rota
2.3 Hermann Grasmann, Biography, by H.J. Petsche
2.4 Hermann Grasmann - Roots and Traces, by H.J. Petsche
3. Papers
3.1 C. Castro: N-ary Algs., Polyvector GT in Noncom. Cliff. Spaces and Def. Quant.
4. Lectures
4.1 Lecture: Von Grassmanns Ausdehnungslehre zur Geometrischen Algebra
und Logik (German), TU Darmstadt, 29 Jan. 2010
4.2 SEMINARI CHIMICI (Milan), E. Hitzer: 3D Space Group Visualization, 3+4 Mar. 2010
4.3 M. Horn: Grassmanns Ideen in der Schule - Reflexionen und Rotationen einmal anders (German), 13 March 2010
5. News
5.1 Software: Space Group Visualizer, Version 2.2
5.2 Proceedings of GraVisMa 2009 online
5.3 AACA, Contents of Vol. 20, Issue 1
5.4 Changes of GA-Net homepage and Email

  No. 41 December 2009 1. P. Girard: Quaternion Grassmann-Hamilton-Clifford algebras: new mathematical tools for classical and relativistic modeling
2. E. Hitzer: Real Clifford Algebra Cl(n,0), n = 2,3(mod 4) Wavelet Transform
3. E. Hitzer: Clifford (Geometric) Algebra Wavelet Transform
4. N. Redington, M. Lodhi: Simple five-dimensional wave-equation for a Dirac particle
5. Session: Complex-Valued Neural Networks, WCCI-2010, IJCNN-2010, Barcelona, Spain, July 18-23, 2010
6. M. Horn: GA Computing - Invited Lecture: Die Geometrische Algebra in der Raumzeit (German)
7. C. Castro: A Gravity, U(4) �~ U(4) Yang-Mills and Matter Unification in Clifford Spaces
8. AACA, Contents of Vol. 19 (3-4)
9. E. Hitzer: Publications 2008/2009 online
10. 18th International Conference on Finite or Infinite Dimensional Complex Analysis and Applications (18thICFIDCAA), 13-17 Aug. 2010, Macau
11. Merry Christmas and Happy New Year 2010

  No. 40 October 2009 1. N.G. Gresnigt (Thesis): Relativistic Physics in the Clifford Algebra Cl(1,3)
2. C. Castro: p-Branes as Antisymmetric Nonabelian Tensorial Gauge Field Theories of Diffeomorphisms in p+1 dimensions
3. ICNAAM 2009 - New deadlines: 5+18 Sep. 2009
4. C. Castro: Polyvector-valued Gauge Field Theories and Quantum Mechanics in Noncommutative Clifford Spaces
5. C. Castro: On n-ary Algebras, Branes and Polyvector Gauge Theories in Noncommutative Clifford Spaces
6. Lundholm, Svensson: Clifford algebra, geometric algebra, and applications
7. D. Lundholm (Thesis): Geometric (Clifford) algebra and its applications
8. B. Eyheramendy: A simple tool to make easy learning geometric algebra
9. V. Scala: Proceedings and Photos of GraVisMa 2009
10. Conference: AGACSE 2010, 14-16 June 2010, Amsterdam, The Netherlands
11. Editorial Note

  No. 39 July 2009 1. Open Position: The University of Macau, Deadline: 4 May 2009
2. Hermann and Robert Grassmann - Free digital copies of books
3. H-J Petsche: Newspaper article on Grassmann's 200th birthday
4. C. Castro: Clifford Geometry of Grand Unification with Gravity
5. E. Hitzer+R. Ablamowicz: Geometric roots of -1, n<=4
6. RIMS conf. - Group repr. and non-comm. harmonic anal., 1-4 June 2009, Kyoto, Japan
7. Workshop: Cliff. Algs. and Lie Groups for multidim. image proc., 2-3 July 2009, France
8. Book: Quaternions, Boundary Value Problems, Dbar Formalism, by D. Pinotsis
9. C. Castro: Clifford Space Geom. - Pioneer and Flyby Anomalies
10. Slides+Photos: Cliff. Algs. and Lie Groups for multidim. image proc., 2-3 July 2009, France
11. AACA, Contents of Vol. 19

  No. 38 April 2009 1. Ph.D. study chance in Macao - from Tao Qian
2. Program of Grassmann 200Y, 16-19 Sep. '09, Potsdam+Szczecin
3. Video lectures of ICCA8, Las Campinas, Brazil, 2008
4. C. Castro: Conformal Gravity, Maxwell, Yang-Mills Unif. in 4D from Clifford GFT
5. Computer Graphics, Vision and Mathematics, Plzen, Czech Rep., 2-4 Sep. 2009
6. IJCNN2009, Atlanta, Tutorial on Complex Valued NN
7. Readers wanted for new quaternion handbook
8. 7th ISAAC - Hypercomplex Analysis, 13-18 July 2009, London
9. S. Georgiev: Linear systems in quaternions
10. Hermann Grassmann's 200th Birthday: 15 April 2009
11. Editorial Notes

  No. 37 March 2009 1. Book: Relativistic Transitions in the Hydrogenic Atoms (R. Boudet)
2. IJCNN 2009 - CALL FOR PAPERS, 14-19 June 2009, USA
3. From Past to Future: Grassmann's Work in Context (Update), 16-19 Sep. 2009, Potsdam, Szczecin
4. A. Macdonald: READERS WANTED FOR ELEMENTARY LINEAR/GEOMETRIC ALGEBRA TEXT
5. Volume 18 Numbers 3-4 of Advances in Applied Clifford Algebras
6. J. Gallier: Clifford Algebras, Clifford Groups, and a Generalization of the Quaternions: The Pin and Spin Groups (Online Text)
7. ICNAAM 2009 - Clifford Structures in Mathematics, Physics and Engineering 18-22 Sep. 2009, Crete, Greece
8. Volume 19 Number 1 of Advances in Applied Clifford Algebras and Online First
9. M. Horn: Introduction to Spacetime Algebra, 14 March'09, Damp, Germany
10. Abstract by M. Horn: From Space to Spacetime (German)
11. M. Horn: SRT in the Context of Spacetime Algebra (German), March 2009, Bochum, Germany
12. Editorial Note

  No. 36 December 2008 1. Book: Holomorphic Functions in the Plane and n-dimensional Space (K. Guerlebeck, W. Sproessig)
2. Grassmann 200Y Conf., 16-19 Sep., 2009, Potsdam/DE + Szczecin/PL
3. C. Castro: An Exceptional E8 Gauge Theory of Gravity in D = 8, Clifford Spaces and Grand Unification
4. AGACSE 2008 presentations online
5. ICCA9 to be held in Weimar, Germany in 2011
6. Book: Geom. Alg. with Appl. in Engineering (C. Perwass)
7. Software: CLUViz - New version of CLUCalc (C. Perwass)
8. IJCNN 2009, Atlanta, Complex NN, paper deadline 05 Jan�f08
9. C. Castro: On the Riemann Hypothesis, Area Quantization, Dirac Operators, Modularity and Renormalization Group
10. Book: Geometric Algebra for Computer Graphics (John Vince)
11. Software: Free SGV Christmas Edition (C. Perwass, E. Hitzer)

  No. 35 September 2008 1. E. Hitzer: Directional Uncertainty Principle for Quaternion Fourier Transform
2. Advances in Applied Clifford Algebras: Volume 18, Number 2 / May 12, 2008
3. Book: The Mathematics of Minkowski Space-Time With an Introduction to Commutative Hypercomplex Numbers (F. Catoni et al)
4. Book: Quadratic Mappings and Clifford Algebras (Helmstetter & Micali)
5. Grassmann 200 Anniversary Conference, Sep. 2009, Potsdam/Germany
6. ICCA7 (Toulouse 2005) Proceedings in AACA Online 1st
7. ICCA8: Abstracts, Proceedings, Photos
8. C. Castro: The Exceptional E_8 Geometry of Clifford (16) Superspace and Conformal Gravity Yang-Mills Grand Unification
9. AGACSE 2008 Tutorial Program, Leipzig, 17 August 2008
10. E. Hitzer & D. Ichikawa: Representation of Crystallographic Subperiodic Groups by Geometric Algebra
11. C. Perwass & E. Hitzer: Interactive 3D Space Group Visualization with CLUCalc based on Geometric Algebra
12. M. Pavsic: A novel view on the physical origin of E_8
13. Main Conference Program of AGACSE 2008, Leipzig
14. J.L. Lopez-Bonilla: preprints and papers (5)
15. New Forum: Geometric Algebra Google Group (P. Joot)

  No. 34 May 2008 1. 3rd Circular of ICCA8, 26-30 May 2008, UNICAMP, Campinas, Brazil.
2. New Deadlines for ICCA8, 26-30 May 2008, UNICAMP, Campinas, Brazil.
3. AGACSE 2008, 17-19 August, Leipzig, Germany, Call for Papers
4. Minisymposium Complex and Hypercomplex Methods in Applications at ICNAAM 2008, Kos, Greece, 16-20 September 2008
6. Online Memoirs of Roy Chisholm
7. Programm der SINUS- Tagung, am 14./15. Marz 2008 in Congresszentrum Damp (Germany)
8. SCIS & ISIS 2008, Session on Complex and Hypercomplex Numbers in Intelligent Systems, Call for Papers (New Deadline: May 16, 2008)
9. Advances in Applied Clifford Algebras, Content of 18(1) + Online 1st
10. Tao Qian (Macao) Online Publications
11. The 16th International Conference on Finite or Infinite Dimensional Complex Analysis and Applications, 28/7-8/1, 2008, Korea
12. FinCAIP - Graduate Student Workshop on Clifford Algebras and Inverse Problems, Sep. 1-5, 2008, Finland
13. New book: INVARIANT ALGEBRAS AND GEOMETRIC REASONING (H. Li)
14. Scientific Program of ICCA8, 26-30 May 2008, UNICAMP, Campinas, Brazil.

  No. 33 January 2008 1. Abstract by C. Castro: (Anti) de SITTER RELATIVITY, MODIFIED NEWTONIAN DYNAMICS, NONCOMMUTATIVE PHASE SPACES AND THE PIONEER ANOMALY
2. Abstract by M. Horn: Quaternions and Geometric Algebra (Quaternionen und Geometrische Algebra)
3. Software by P. Leopardi: Glucat 0.4.0 faster & more accurate
4. Book: Geometric Algebra and Applications to Physics
5. Book: Conformal Groups in Geometry and Spin Structures (Progress in Mathematical Physics)
6. Contents of Advances in Applied Clifford Algebras, Vol. 17(4) + Online First
7. Abstract by Mawardi & Hitzer: Clifford Algebra Cl(3,0)-valued Wavelet Transformation, Clifford Wavelet Uncertainty Inequality and Clifford Gabor Wavelets
8. Abstract by Buchholz, Tachibana, Hitzer: Optimal Learning for Clifford Neurons
9. Abstract by Hildenbrand & Hitzer: Analysis of point clouds - using conformal geometric algebra
10. Abstract by Ichikawa & Hitzer: Symmetry of orthorhombic materials and interactive 3D visualization in geometric algebra
11. Abstract by Hitzer & Perwass: The hidden beauty of gold
12. Reference by C. Castro: There is no Einstein-Rosen-Podolski paradox in Clifford Spaces
13. Abstract by M. Planat: Clifford quantum computer and the Mathieu groups
14. Book: TREATISE OF PLANE GEOMETRY THROUGH GEOMETRIC ALGEBRA
15. Abstract by Hitzer, Tachibana, Buchholz & Yu: Carrier method for the general evaluation and control of pose, molecular conformation, tracking, etc.
16. Conference IWCCI: Special Session on Complex-Valued Neural Networks Hong Kong, June 1-6, 2008
17. Abstract by M. Horn: Pauli Pascal Pyramids, Pauli Fibonacci Numbers, and Pauli Jacobsthal Numbers
18. From the Editor

  No. 32 July 2007 1. Abstract by E. Hitzer, B. Mawardi: Clifford Fourier Transform on Multivector Fields and Uncertainty Principles for Dimensions n = 2 (mod 4) and n = 3 (mod 4)
2. Volume 17 Number 2 of Advances in Applied Clifford Algebras and Online First
3. Abstract by E. Hitzer: Quaternion Fourier Transform on Quaternion Fields and Generalizations
4. CAIROS: Clifford Algebras International Research Open Studies
5. Abstract by C. Castro: There is No Einstein-Podolsky-Rosen Paradox in Clifford-spaces
6. ICONIP '07 Tutorial: Introduction to Theory, Construction and Application of Clifford Neural Networks, 14th International Conference on Neural Information Processing, 13-16 November, 2007, Kitakyushu, Japan
7. Job offer: Applied Mathematics - Harmonic Analysis in Aveiro, Portugal, closing 30 Aug. 2007
8. Software: Space Group Visualizer 2.0 - Free Demo Version
9. ICCA8 Clifford Algebras and their Applications in Mathematical Physics Campinas, 26-30 May 2008, update

  No. 31 May 2007 1. New Book: Geometric Algebra For Computer Science by Leo Dorst, Daniel Fontijne, Stephen Mann
2. 74th WORKSHOP ON GENERAL ALGEBRA - AAA74, Finland, 7-10 June 2007
3. ICANN 2007 Session on Complex (Quat. and Cliff.) Valued NN 9-13 September 2007, Porto, Portugal
4. Workshop on Cliff. Anal. and Appl., 3-5 Sep. 2007, Ghent, Belgium
5. New Book: Quaternions, Clifford Algebras and Relativistic Physics, by P.R. Girard
6. Abstract by C. Castro: A CHERN-SIMONS E8 GAUGE THEORY OF GRAVITY IN D = 15, GRAND UNIFICATION AND GENERALIZED GRAVITY IN CLIFFORD SPACES
7. More infos: Int. Conf. on Applied Analysis, 3-6 May 2007, Queretaro, MEXICO
8. Abstract by C. Castro: On the Noncommutative and Nonassociative Geometry of Octonionic Spacetime, Modified Dispersion Relations and Grand Unification
9. Abstract by M. Pavsic: On a Unified Theory of Generalized Branes Coupled to Gauge Fields, Including the Gravitational and Kalb-Ramond Fields
10. ICCA8: 8th Int. Conf. on Clifford Algebras and their Applications in Mathematical Physics, 26-30 May 2008, Campinas, Brazil

  No. 30 March 2007 1. GluCat version 0.2.1
2. Java jscl-meditor for Cl(p,q)
3. Abstract of Hongbo Li: A Recipe for Symbolic Geometric Computing: Long Geometric Product, BREEFS and Clifford Factorization
4. Int. Conf. on Applied Analysis, Queretaro, MEXICO May 3-6, 2007
5. Abstract by A. Kheyfits, D. Tepper: Subharmonicity of Powers of Octonion-Valued Monogenic Functions and Some Applications
6. Corfu '07: Clifford Algebras in Math. and Appl. Sci.
7. 2 PhD Scholarships in Fourier & Signal Analysis (Macau)
8. Online Proceedings of Innovative Teaching of Mathematics with Geometric Algebra 2003 (RIMS, Kyoto, Japan)
9. GA-Net Updates blog service at wordpress.com
10. Web Infos (2)

  No. 29 January 2007 1. Infos for Int. Workshop for Computational Sci. with Geometric Algebra, Tutorial/Workshop/Colloquium, 14-21 February 2007, Nagoya, Japan
2. Abstract by D. Hestenes, J. Holt: The Crystallographic Space Groups in Geometric Algebra
3. New Book: Wavelet Analysis and Applications, Series: Applied and Numerical Harmonic Analysis, Qian, Tao; Vai, Mang I; Xu, Yuesheng (Eds.)
4. Abstract of Jose B. Almeida: Hidden geometric character of relativistic quantum mechanics

  No. 28 December 2006 1. International Workshop for Computational Science with Geometric Algebra Tutorial/Workshop/Colloquium, 14-21 February 2007, Nagoya, Japan
2. Abstract by M.E. Horn: The Didactical Relevance of the Pauli Pascal Triangle (Die didaktische Relevanz des Pauli-Pascal-Dreiecks)
3. Abstract by E. Hitzer, C. Perwass: The Space Group Visualizer
4. Online Presentation by E. Hitzer, C. Perwass: Interactive 3D Space Group Visualizer
5. Abstract by E. Hitzer: Quaternion Fourier Transform on Quaternion Fields and Generalizations
6. Volume 16 Number 2 of Advances in Applied Clifford Algebras and Online First
7. On the Web: Geometric Algebra applied to OpenGL
8. Merry Christmas and Blessed Happy New Year 2007

  No. 27 October 2006 1. Editorial Notes
2. System for encoding and manipulating models of objects Info on US Patent 6,853,964, A. Rockwood, D. Hestenes, H. Li
3. Space Group Visualizer - New easy to install/use Windows version C. Perwass, E. Hitzer
4. Friedrich Ludwig Wachter (1792-1817) Excerpts from: Roberto Bonola, Non-Euclidean Geometry
5. F. L. Wachter in Coxeter's Non-Euclidean Geometry (excerpts)

  No. 26e2 June 2006 1. Workshop on challenges and visions in Computer Graphics - Details 3+4 July 2006, Darmstadt, Germany
2. Geometric Calculus in Gravity Theory, Parallel Session at 11th Marcel Grossmann Meeting, Berlin, July 23-29, 2006

  No. 26e1 June 2006 1. Workshop on challenges and visions in Computer Graphics 3+4 July 2006, Darmstadt, Germany

  No. 26 June 2006 1. New link to PDF script of P. Dirac's 1972 Boston talk
2. 26th International Colloquium on Group Theoretical Methods in Physics
3. Software: Astronomic CLUCalc Script
4. Abstract by Carlos Castro: POLYVECTOR SUPER-POINCARE ALGEBRAS, M, F THEORY ALGEBRAS AND GENERALIZED SUPERSYMMETRY IN CLIFFORD-SPACES
5. Volume 16 Number 1 of Advances in Applied Clifford Algebras and Online First
6. Abstract links and download links of recent papers by E. Hitzer
7. Technical problems of GA-Net web site and GA-Net Updates blog site

  No. 25 April 2006 1. Essay by G. Farmelo: Dirac's hidden geometry
2. Abstract by C. Castro: MATRIX-VALUED PLANCK CONSTANT
3. Abstract by R.A. Sanchez: Schrodinger Eq. and Non-Hom. 4D Paravectors
4. Conference: Function Theories In Higher Dim., Finland 2006

  No. 24 March 2006 1. Applied Clifford Analysis ICNAAM 2006, Crete, Greece, Sep. 2006
2. Abstract of R.A. Sanchez: Geometrical Study of the Schroedinger Formula With the Even Sub Group of the Clifford (Geometric) Algebras
3. Abstract by Carlos Castro: The large N limit of Exceptional Jordan Matrix Models and M, F theory
4. Advanced Mathematical Tools Symposium at PennState, Aug. 2006
5. Links to first AACA online issues
6. Online article by C. Castro: On generalized Yang-Mills theories and extensions of the standard model in Clifford (tensorial) spaces
7. Bibliography on quaternions in Mathematical Physics
8. From static archive to dynamic weblog: GA-Net Updates

  No. 23 January 2006 1. Abstract of Carlos Castro:
CHERN-SIMONS (SUPER) GRAVITY AND E_8 YANG-MILLS FROM A CLIFFORD ALGEBRA GAUGE THEORY
2. Website of Ian Bell: Multivector Methods - Logarithms
3. Website of Klaus Th. Ruthenberg: NATURAL GEOMETRY - NATUERLICHE GEOMETRIE
Information in English & German
4. Blogspot by R. Aparicio: Natura Visibilium et Invisibilium
5. Blessed & Happy New Year 2006!

  No. 22 December 2005 1. Function Theories in Higher Dimensions (Tampere, Finland, June 2006)
2. Abstract of Carlos Castro:
ON HOLOGRAPHY AND QUANTUM MECHANICS IN YANG'S NONCOMMUTATIVE SPACETIME WITH A LOWER AND UPPER SCALE
3. Advances in Applied Clifford Algebras (AACA) @ Birkhaeuser
4. Merry Christmas and Happy New Year 2006!

  No. 21 November 2005 1. Spacegroup.info project website
2. Abstract of E. Hitzer and C. Perwass:
"Full Geometric Description of All Symmetry Elements of Crystal Space Groups by the Suitable Choice of Only Three Vectors for Each Bravais Cell or Crystal Family"
3. Abstract of C. Perwass and E. Hitzer:
"Interactive Visualization of Full Geometric Description of Cyrstal Space Groups"
4. Linux source code for CLUCalc version 4.3.2
5. Geometric Algebra FAQ

  No. 20 September 2005 1. ICCA7 Proceedings Submission Deadline [for participants]
2. New Version (4.2) of CLUCalc
3. Function Theories in Higher Dimensions
Tampere University of Technology, Finland, June 12-16, 2006.
4. ICNAAM Session Abstracts of Dirac Operators and Applications
Rhodes, Greece, 16-20 Sep. 2005
(extended peer reviewed ca. 4 page long abstracts)
5. GA-Net server issues

  No. 19 August 2005 1. Abstract of Carlos Castro:
On the large N limit of Exceptional Jordan Matrix Models, Chern-Simons Foliations and M, F theory
2. Software update: clados (Alfred Differ)
3. Geometric Algebra and Applications Workshop CIRM, Marseille, France, 2-4 Nov. 2005

  No. 18 July 2005 1. Abstract of Rafael Aparicio Sanchez
"About the use of Clifford Algebras to understand Schroedinger's Equation"
2. Abstract of Carlos Castro
"On Generalized Yang-Mills Theories and Extensions of the Standard Model in Clifford (Tensorial) Spaces"
3. W. K. Clifford goes online
4. Computer Algebra and Geometric Algebra with Applications
Hongbo Li, Peter J. Olver, Gerald Sommer (Eds.)
TOC of Part II: Goemetric Algebra and Applications

  No. 17 June 2005 1. Abstract of Rafael Aparicio Sanchez
"Sobre la utilizacion del Algebra de Clifford para el esclarecimiento de la Ecuacion de Schrodinger"
2. Abstract of Shalini Dangwal, P.S. Bisht and O.P.S. Negi
"Octonionic gauge Formulation for dyonic fields"
3. Abstract of Shalini Dangwal, P.S. Bisht and O.P.S. Negi
"Quaternion Angular Momentum and Unified fields of Dyons"
4. Abstract of Shalini Dangwal, P.S. Bisht and O.P.S. Negi
"Quaternion-Octonion Unified fields of Dyons"
5. Abstract of P.S. Bisht
"Split Octonion electrodynamics and unified fields of dyons"
6. Clifford Analysis and Applications - Session at ICNAAM 2005
Rhodes, Greece, 16-20 Sep. 2005

  No. 16 April 2005 1. Abstract of I. Bell:
"Clifford conjugation and Dirac-Hestenes particle equation"
2. ICCA7 program

  No. 15e1 April 2005
express
1. ICCA7 Conference Infos
2. Java Symbolic Computation Library: jscl-meditor

  No. 15 March 2005 1. Abstract of A. Macdonald:
"A Survey of Geometric Algebra and Geometric Calculus"
2. Proceedings of Clifford Minisymposium at ICIAM 2003
3. ICCA7 update
4. Abstract of E. Hitzer & G. Utama:
"The GeometricAlgebra Java Package - Novel Structure Implementation of 5D Geometric Algebra R_(4,1) for Object Oriented Euclidean Geometry, Space-Time Physics and Object Oriented Computer Algebra"
5. Book by S. Huang, Y.Y. Qiao, G. Wen:
"Real and Complex Clifford Analysis (Advances in Complex Analysis and Its Applications)"
6. Website Infos (10 items)

  No. 14 February 2005 1. Abstract of C. Carlos:
"POLYVECTOR SUPER-POINCARE ALGERBRAS, M, F THEORY ALGEBRAS AND GENERALIZED SUPERSYMMETRY IN CLIFFORD-SPACES"

  No. 13 January 2005 1. ICCA7 - 2nd announcement online
2. New Book: Quaternions, Algebre de Clifford et Physique Relativiste

  No. 12 December 2004 1. ICCA7 reminder
2. C++ code for a multivector class (N<=64)
3. Abstract of C. Castro:
"TOWARDS A NONCUMMUTATIVE UNIFIED THEORY OF ALL BRANES AND MOYAL-YANG STAR PRODUCTS IN CLOFFORD SPACES"
4. CLUCalc Interactive Software Tutorial on Point Groups
5. Merry Christmas and Blessed Happy New Year 2005

  No. 11 November 2004 1. Abstract of C. Castro, "The Extended Relativity Theory in Born-Clifford Phase Spaces with Lower and Upper Length and Clifford Group Geometric Unification"
2. Abstract of C. Castro, M. Pavsic,
"The Extended Relativity Theory in Clifford Spaces"
3. Abstract of E. Hitzer, C. Perwass,
"Crystal Cells in Geometric Algebra"
4. Google Geometric Algebra Directory?

  No. 10 October 2004 1. Website Infos (8 items)

  No. 9 September 2004 1. CLUCals v4.0.0 Release Information
2. Proceedings of Innovative Teaching of Mathematics with Geometric Algebra (Nov. 2003)

  No. 8e1 July 2004
express
1. From the Editor
2. New URL for Eurographics Tutorial (30 August 2004)
3. Geometric Calculus: According to the Ausdehnungslehre
of H. Grassmann, by G. Peano (English by L. Kannenberg)
4. The complete works of Giuseppe Peano (CDROM, Italian)
5. Correspondence of Giuseppe Peano (CDROM, Italian)
6. Complete, original versions of (scientific) journals
founded and edited by Giuseppe Peano (CDROM, Italian)

  No. 7 June 2004 1. From the Editor
2. The Children's Clifford Arithmetic Book (German)
3. Conference List (2 itmes)
4. Website Infos (6 items)
5. Subscribing to GA-Net
6. Submissions to GA-Net

  No. 6 May 2004 1. From the Editor
2. Conference List (2 items)
3. SUBSCRIBING TO GA-NET
4. SUBMISSIONS TO GA-NET

  No. 5 April 2004 1. Abstract of Xiang Lin, "Self-Calibration of Multiple Target Postions"
2. Eurographics 2004 Tutorial
3. Conference List (3 items)
4. SUBSCRIBING TO GA-NET
5. SUBMISSIONS TO GA-NET

  No. 4 March 2004 1. Abstract of K. Ruthenberg, "Angles Generate More Fundamental Frames Than Lengths"
2. First Introduction to Geometric Algebra in Japanese
3. Conference List
4. SUBSCRIBING TO GA-NET
5. SUBMISSIONS TO GA-NET

  No. 3e1 March 2004
express
1. Geometric Invariance and Applications in Engineering, May 24-28, 2004, China

  No. 3 February 2004 1. From the Editor
2. ICCA6 Conference Proceedings (2 volumes)
3. ICCA7 First Announcement
4. New Version of CLUCalc (v3.1.1)
5. Website Infos
6. Subscribing to GA-Net
7. Submissions to GA-Net

  No. 2 January 2004 1. Letter from the editor
2. New Mirror Page for "Advances in Applied Clifford Algebras" Journal
3. Abstract of K. Ruthenberg, "Quanta Perceived as Quaternions"
4. Ph D Scholarship Fukui/Japan (deadline Feb. 27, 2004)
5. Website Infos
6. Subscribing to GA-Net
7. Submissions to GA-Net

  No. 1 December 2003 1. Welcoming message
2. Ph D Scholarship (expected deadline Feb. 27, 2004)
3. Subscribing to GA-Net
4. Submissions to GA-Net

 
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