Progress in complexity of counting problems

  • Authors:
  • Jin-Yi Cai

  • Affiliations:
  • University of Wisconsin-Madison

  • Venue:
  • FAW-AAIM'11 Proceedings of the 5th joint international frontiers in algorithmics, and 7th international conference on Algorithmic aspects in information and management
  • Year:
  • 2011

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Abstract

There has been remarkable progress in the classification program of the complexity of counting problems. This program is carried out in at least three interrelated formulations: Graph Homomorphisms, Counting CSP, and Holant Problems. In each formulation, complexity dichotomy theorems have been achieved which classify every problem in a given class to be either solvable in polynomial time or #P-hard.