{ "id": "1607.01167", "version": "v1", "published": "2016-07-05T09:34:32.000Z", "updated": "2016-07-05T09:34:32.000Z", "title": "Deterministic polynomial-time approximation algorithms for partition functions and graph polynomials", "authors": [ "Viresh Patel", "Guus Regts" ], "comment": "24 pages", "categories": [ "math.CO", "cs.CC", "cs.DM", "cs.DS" ], "abstract": "In this paper we give the first deterministic polynomial-time approximation algorithm for computing complex-valued evaluations of the Tutte polynomial and the independence polynomial on bounded degree graphs, as well for computing partition functions of complex-valued spin and edge-coloring models on bounded degree graphs. Our work builds on a recent line of work initiated by Barvinok (A. Barvinok, Computing the permanent of (some) complex matrices, Foundations of Computational Mathematics (2014) 1-14. A. Barvinok, Computing the partition function for cliques in a graph, Theory of Computing 11 (2015), Article 13 pp. 339-355), which provides a new algorithmic approach besides the existing correlation decay method for these types of problems.", "revisions": [ { "version": "v1", "updated": "2016-07-05T09:34:32.000Z" } ], "analyses": { "keywords": [ "partition function", "graph polynomials", "bounded degree graphs", "first deterministic polynomial-time approximation algorithm", "existing correlation decay method" ], "note": { "typesetting": "TeX", "pages": 24, "language": "en", "license": "arXiv", "status": "editable" } } }