7 citations · 45 across the 32 of their papers we have counts for
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math.GT2012
Lifting graph automorphisms along solvable regular covers
Haimiao Chen, Jin Ho Kwak
A {\em solvable} cover of a graph is a regular cover whose covering transformation group is solvable. In this paper, we show that a solvable cover of a graph can be decomposed into…
math.CO2012
Enumerating typical abelian coverings of Cayley graphs
Haimiao Chen
In this article we complete the work of enumerating typical abelian coverings of Cayley graphs, by reducing the problem to enumerating certain subgroups of finite abelian groups.