当当水生图书专营店在线销售正版《代数拓扑导论 英文版 [美]约翰阿尔伯特梅西 世界图书出版 Algebraic Topology an Introduction/Massey Springer数学研究生教材》。最新《代数拓扑导论 英文版 [美]约翰阿尔伯特梅西 世界图书出版 Algebraic Topology an Introduction/Masse
0,is a free abeian group whose rank is the number of n-cells in E. For simplicialcomplexes, these ranks are usually smaller than the ranks of the chain groupsof simplicial theory, for the number of n-cells in a CW decomposition can beless than the number of n-simplexes in a triangula...