Computer Algebra and Geometric Algebra with Applications, 6th International Workshop, IWMM 2004, Shanghai, China, May 19-21, 2004, and International Workshop, GIAE 2004, Xian, China, May 24-28, 2004, Revised Selected Papers, Springer, Lecture Notes in Computer Science, 3519, pp. 350-362 (2005).
This paper first gives a brief overview over some interesting descriptions of conic sections,
showing formulations in the three geometric algebras of Euclidean spaces,
projective spaces, and the conformal model of Euclidean space.
Second the conformal model descriptions of a subset of conic sections are
in parametrizations specific for the use in the main part of the paper.
In the third main part the meets of lines and circles, and of spheres and planesare
calculated for all cases of real and virtual intersections.
In the discussion special attention is on the
hyperbolic carriers of the virtual intersections.
The original publication is available at www.springerlink.com. doi:10.1007/11499251_25
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