Testing Hypergraph Coloring

  • Authors:
  • Artur Czumaj;Christian Sohler

  • Affiliations:
  • -;-

  • Venue:
  • ICALP '01 Proceedings of the 28th International Colloquium on Automata, Languages and Programming,
  • Year:
  • 2001
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Abstract

In this paper we initiate the study of testing properties of hypergraphs. The goal of property testing is to distinguish between the case whether a given object has a certain property or is "far away" from the property. We prove that the fundamental problem of l-colorability of k-uniform hypergraphs can be tested in time independent of the size of the hypergraph. We present a testing algorithm that examines only (k l/Ɛ)(ċk) entries of the adjacency matrix of the input hypergraph, where Ɛ is a distance parameter independent of the size of the hypergraph. Notice that this algorithm tests only a constant number of entries in the adjacency matrix provided that l, k, and Ɛ are constant.