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An inequality for non-negative matrices
Authors:Ming-wei Wang and Jeffrey Shallit
Affiliation:

Department of Computer Science, University of Waterloo, Waterloo, Ont., N2L 3G1 Canada

Abstract:Let A be an n × n matrix with non-negative entries and no entry in (0, 1). We prove that there exist integers r, s with 0 r s 2n such that Ar As. We prove that 2n cannot be replaced with e√n log n. We also give an application to the theory of formal languages.
Keywords:Non-negative matrices
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