Complex contraction on trees without proof of correlation decay

We prove complex contraction for zero-free regions of counting weighted set cover problem in which an element can appear in an unbounded number of sets, thus obtaining fully polynomial-time approximation schemes(FPTAS) via Barvinok's algorithmic paradigm\cite{barvinok2016combinatorics}. Relying...

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Hauptverfasser:	Li, Liang, Xie, Guangzeng
Format:	Artikel
Sprache:	eng
Schlagworte:	Computer Science - Data Structures and Algorithms
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