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  • 标题:Hardness of Coloring 2 -Colorable 12 -Uniform Hypergraphs with 2(logn)(1) Colors
  • 本地全文:下载
  • 作者:Subhash Khot ; Rishi Saket
  • 期刊名称:Electronic Colloquium on Computational Complexity
  • 印刷版ISSN:1433-8092
  • 出版年度:2014
  • 卷号:2014
  • 出版社:Universität Trier, Lehrstuhl für Theoretische Computer-Forschung
  • 摘要:

    We show that it is quasi-NP-hard to color 2 -colorable 12 -uniform hypergraphs with 2(logn)(1) colors where n is the number of vertices. Previously, Guruswami et al. [GHHSV14] showed that it is quasi-NP-hard to color 2 -colorable 8-uniform hypergraphs with 22(loglogn) colors. Their result is obtained by composing a standard Outer PCP with an Inner PCP based on the Short Code of super-constant degree. Our result is instead obtained by composing a new Outer PCP with an Inner PCP based on the Short Code of degree two.

  • 关键词:coloring; hypergraph; Inapproximability; PCP
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