A Family of Counter Examples to an Approach to Graph Isomorphism

Jin-Yi Cai; Pinyan Lu; Mingji Xia

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arXiv · 0801.1766

A Family of Counter Examples to an Approach to Graph Isomorphism

Jin-Yi Cai·Pinyan Lu·Mingji Xia

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Abstract

We give a family of counter examples showing that the two sequences of polytopes $Φ_{n,n}$ and $Ψ_{n,n}$ are different. These polytopes were defined recently by S. Friedland in an attempt at a polynomial time algorithm for graph isomorphism.

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Jin-Yi Cai, Pinyan Lu, Mingji Xia. 2008-01-12. A Family of Counter Examples to an Approach to Graph Isomorphism. https://arxiv.org/abs/0801.1766

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