{ "id": "1507.02089", "version": "v1", "published": "2015-07-08T10:20:35.000Z", "updated": "2015-07-08T10:20:35.000Z", "title": "Zero-free regions of partition functions with applications to algorithms and graph limits", "authors": [ "Guus Regts" ], "comment": "20 pages", "categories": [ "math.CO", "cs.DS" ], "abstract": "Based on a technique of Barvinok and Barvinok and Sober\\'on we identify a class of edge-coloring models whose partition functions do not evaluate to zero on bounded degree graphs. Subsequently we give a quasi-polynomial time approximation scheme for computing these partition functions. As another application we show that the normalised partition functions of these models are continuous with respect the Benjamini-Schramm topology on bounded degree graphs. We moreover give quasi-polynomial time approximation schemes for evaluating a large class of graph polynomials, including the Tutte polynomial, on bounded degree graphs.", "revisions": [ { "version": "v1", "updated": "2015-07-08T10:20:35.000Z" } ], "analyses": { "subjects": [ "05C85", "05C31", "68W25", "05C99" ], "keywords": [ "partition functions", "graph limits", "bounded degree graphs", "quasi-polynomial time approximation scheme", "zero-free regions" ], "note": { "typesetting": "TeX", "pages": 20, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2015arXiv150702089R" } } }