Proves the 2-quasi-regularizability conjecture for connected W_2 graphs via a local expansion theorem and derives explicit log-concavity and unimodality regions for their independence polynomials.
Berge,Some common properties for regularizable graphs, edge-critical graphs and B-graphs, Annals of Discrete Mathematics12(1982), 31–44
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The 2-Quasi-Regularizability Conjecture and Independence Polynomials of Wp Graphs
Proves the 2-quasi-regularizability conjecture for connected W_2 graphs via a local expansion theorem and derives explicit log-concavity and unimodality regions for their independence polynomials.