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A short proof of Minc's conjecture

Authors:	A Schrijver

Affiliation:	Mathematical Centre, Tweede Boerhaavestraat 49, Amsterdam Holland, The Netherlands

Abstract:	A short proof is given of the following conjecture of Minc, proved in 1973 by Brègman. Let A be a n × n ? (0, 1)-matrix with r_i ones in row i. Then per $A ? π_{i=1}^{n} r_{i}!^{1r_{i}}$ .

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