欧拉特征数相关论文
本文研究了对偶模的Ｅｕｌｅｒ特征数?引进了环的Ｅｕｌｅｒ对偶维数，进而给出了环的一种新的分类方法。......
The central subject of studying in this paper is incompressible pairwise incompressible surfaces in link complements. Le......
In this paper, by the twist-crossing number of knots, we give an upper bound on the Euler characteristic of a kind of es......
