Enumerating Contingency Tables via Random Permanents
نویسندگان
چکیده
منابع مشابه
Enumerating Contingency Tables via Random Permanents
N/N !. In many cases, lnT ′ provides an asymptotically accurate estimate of lnT . The idea of the algorithm is to express T as the expectation of the permanent of an N ×N random matrix with exponentially distributed entries and approximate the expectation by the integral T ′ of an efficiently computable log-concave function on R. Applications to counting integer flows in graphs are also discussed.
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ژورنال
عنوان ژورنال: Combinatorics, Probability and Computing
سال: 2008
ISSN: 0963-5483,1469-2163
DOI: 10.1017/s0963548307008668