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The main result of this paper is the following: if A = (a(i j)) is an inverse M-matrix, A((k)) (a(ij)(k)) denotes the kth Hadamard power of A, then A((k)) is an inverse M-matrix for any positive integer k ＞ 1. In the case k = 2, this settles a conjecture of Neumann [Linear Algebra Appl. 285 (1998) 278] affirmatively, (C) 2004 Published by Elsevier Inc.
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LINEAR ALGEBRA AND ITS APPLICATIONS
ISSN： 0024-3795
Year： 2004
Volume： 381
Page： 53-60
0 . 5 0 1
JCR@2004
1 . 0 0 0
JCR@2023
ESI Discipline： MATHEMATICS;
JCR Journal Grade：3
Cited Count：
WoS CC Cited Count： 14
SCOPUS Cited Count： 12
ESI Highly Cited Papers on the List： 0 Unfold All
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30 Days PV： 0
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