Lines Classification in the Conformal Space R^(n+1,1)
Résumé
Lines classification is the central tool for visibility calculation in dimension $n\ge 2$. It has been previously expressed in Grassmann Algebra, allowing to work with any couple of 2-vectors, which may represent two real lines or not. This article discusses about the nature of lines in the conformal model, searching if such a classification is still valid in R^(n+1,1). First, it shows that the projective classification can be expressed in terms of a {meet} operator. Then, given two real lines, the classification still works in the conformal model, but also allowing us to propound some techniques to identify lines and circles among general 3-vectors.
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