Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5777650 | Journal of Combinatorial Theory, Series B | 2017 | 18 Pages |
Abstract
Given a group Î and a biased graph (G,B), we define a what is meant by a Î-realization of (G,B) and a notion of equivalence of Î-realizations. We prove that for a finite group Î and tâ¥3, there are numbers n(Î) and n(Î,t) such that the number of Î-realizations of a vertically 3-connected biased graph is at most n(Î) and that the number of Î-realizations of a nonseparable biased graph without a (2Ct,â
)-minor is at most n(Î,t). Other results pertaining to contrabalanced biased graphs are presented as well as an analogue to Whittle's Stabilizer Theorem for Î-realizations of biased graphs.
Keywords
Related Topics
Physical Sciences and Engineering
Mathematics
Discrete Mathematics and Combinatorics
Authors
Nancy Ann Neudauer, Daniel Slilaty,