Invariant factors of cartesian product of graphs and one point unions of graphs

Wai Chee SHIU; Mei Choi CHIU

Invariant factors of cartesian product of graphs and one point unions of graphs

Wai Chee SHIU
, Mei Choi CHIU

Department of Mathematics and Information Technology (MIT)

Research output: Contribution to journal › Articles › peer-review

Abstract

A matrix called Varchenko matrix associate with a hyperplane arrangement was defined by Varchenko in 1991. Matrices that we shall call q-matrices are induced from Varchenko matrices. Many researchers are interested the invariant factors of these q-matrices. Shiu put this problem to the graph model. In this paper, invariant factors of Cartesian product of graphs will be found. Copyright © 2008 Utilitas Mathematica Pub. Inc.

Original language	English
Pages (from-to)	173-184
Journal	Congressus Numerantium
Volume	191
Publication status	Published - 2008

Keywords

q-matrix
Invariant factors
Cartesian product of graphs
One point unions of graphs

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Invariant factors of cartesian product of graphs and one point unions of graphs

Abstract

Keywords

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