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A note on the invariant factors of the walk matrix of a graph
Linear Algebra and its Applications ( IF 1.0 ) Pub Date : 2021-09-09 , DOI: 10.1016/j.laa.2021.09.006 Jinwon Choi 1 , Sunyo Moon 2 , Seungkook Park 1
中文翻译:
关于图游走矩阵不变因子的注解
更新日期:2021-09-20
Linear Algebra and its Applications ( IF 1.0 ) Pub Date : 2021-09-09 , DOI: 10.1016/j.laa.2021.09.006 Jinwon Choi 1 , Sunyo Moon 2 , Seungkook Park 1
Affiliation
For a given graph G with n vertices, the walk matrix W of G is defined as , where A is the adjacency matrix of the graph G and e is the vector of all ones. In this paper, we prove that for any positive integer k, at most invariant factors of W are congruent to modulo .
中文翻译:
关于图游走矩阵不变因子的注解
对于给定的图表ģ与Ñ顶点,步行矩阵W¯¯的ģ被定义为,其中阿是图的邻接矩阵ģ和Ë是所有那些的载体。在本文中,我们证明对于任意正整数k,至多W 的不变因子与 模数 .