Quasi-polynomial algorithms for list-coloring of nearly intersecting hypergraphs

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Abstract

A hypergraph H on n vertices and m edges is said to be nearly-intersecting if every edge of H intersects all but at most polylogarthmically many (in m and n) other edges. Given lists of colors L(v), for each vertex v∈V, H is said to be L-(list) colorable, if each vertex can be assigned a color from its list such that no edge in H is monochromatic. We show that list-colorability for any nearly intersecting hypergraph, and lists drawn from a set of constant size, can be checked in quasi-polynomial time in m and n.

Original languageBritish English
Pages (from-to)64-75
Number of pages12
JournalTheoretical Computer Science
Volume902
DOIs
StatePublished - 18 Jan 2022

Keywords

  • Exact algorithms
  • Hypergraph coloring
  • Hypergraph dualization
  • List coloring
  • Quasi-polynomial algorithm

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