The class (R,S) of (0, 1)-matrices |
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Authors: | Wan-Di Wei |
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Affiliation: | Department of Mathematics, Sichuan University, Chengdu, People''s Republic of China |
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Abstract: | Let R and S be two vectors whose components are m and n non-negative integers, respectively. Let (R, S) be the class consisting of all (0, 1)-matrices of size m by n with row sum vector R and column sum vector S. In this paper we derive a lower bound to the cardinality of the class (R, S), which can be computed readily. |
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