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On a conjecture of Erdös and Rényl

Authors
Journal
Linear Algebra and its Applications
0024-3795
Publisher
Elsevier
Publication Date
Volume
23
Identifiers
DOI: 10.1016/0024-3795(79)90101-0

Abstract

Abstract We show that for A ranging over n× n circulants with three ones in each row, where n is prime, lim inf| detA| 1 n >1 . For a subfamily containing almost all A's this lim inf is in fact 1.38…. We also compute the permanents of a certain family of matrices.

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