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Xiao-Yu Chen

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Preprint Aug 2026

Faster FPRAS for the Permanent via Restricted Poincar\'e Inequalities and Coupled Flows

The permanent of an $n\times n$ $0/1$ matrix $A$ equals the number of perfect matchings in the bipartite graph with edges defined by $A$. Jerrum, Sinclair, and Vigoda (2004) presented an FPRAS for approximating the permanent of any nonnegative matrix using a novel simulated-annealing algorithm. The running time was imp...

Xiao-Yu Chen, Eric Vigoda, Xiong-Xin Yang · 2 citations

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