摘要
文献[3]在有限域Z_2上描述了图G的“圈空间”,这里我们将此理论推广到一般环Z上用以计算给定2-复型的一维同调群,其中我们采用的方法是代数与图论相结合的方法。
In [3], a vector space associate with a graph G: 'its cycle space' was described over the two element field Z2. Here we generalize the theory to the ring Z to compute 1-dimensional homology group of a given 2-complex with a combination of algebraic and graph-theoretic method.
基金
Education Ministry of China(02139)
关键词
1-链
1-圈
复形
同调群
1-chain
1-cycle
complex
homology group.
