Geometric Invariants using Geometry Algebra
In this paper, we interpret the fundamental geometric invariants in a new framework: geometric algebra (GA). The study of such geometric invariance is a field of active research. The homogeneous model (Grassmann model) is selected for different kinds of geometric invariants, including Euclidean invariants, Projective invariants etc. GA focuses on the subspacc of a vector space as elements of computation. Linear transformation can be extended to the subspace structure. The paper compares the meaning of invariants using the new model with that using the traditional one. This work shows that geometric algebra is a very elegant language for expressing geometric objects.
geometric(Clifford)algebra geometric invariants homogeneous model geometric transformations
Ni Qing Wang Zhengzhi
Institute of Automation,National University of Defense Technology,Changsha 410073, Hunan, PR China
国际会议
武汉
英文
171-174
2011-08-20(万方平台首次上网日期,不代表论文的发表时间)