in this note, we find that one can construct affine geometry ag(3, n)using planar mappings from a cyclic group n of order n to itself.
短文证明了可以从n阶循环群到它自身的平面函数来构造一类仿射几何。
the concept of weak block design is proposed in this paper. based on affine geometry and projective geometry, affine manifold codes and projective manifold codes are constructed.
提出了弱区组设计的概念,并根据仿射几何和射影几何构造了仿射流形码和射影流形码。
a new affine invariants based on affine geometry for object recognition and matching is proposed in the paper.
提出一种新的基于仿射几何的仿射不变特征提取方法,适合于目标的识别和图像的匹配。
the symmetry algebras of 1+1 dimensional nonlinear evolution equation arising from the motion of plane curve in affine geometry are systematically studied.