A Note on Fractional Coloring and the Integrality gap of LP for Maximum Weight Independent Set
We prove a tight connection between two important notions in combinatorial optimization. Let G be a graph class (i.e. a subset of all graphs) and r(G)=supG∈Gχf(G)ω(G) where χf(G) and ω(G) are the fractional chromatic number and clique number of G respectively. In this note, we prove that r(G) tight...
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Published in | Electronic notes in discrete mathematics Vol. 55; pp. 113 - 116 |
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Main Authors | , |
Format | Journal Article |
Language | English |
Published |
Elsevier B.V
01.11.2016
Elsevier |
Subjects | |
Online Access | Get full text |
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