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Abstract：
The main result of this paper is the following: if A = (aij) is an inverse M-matrix, A(k) = (aijk) 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. © 2004 Published by Elsevier Inc.
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Linear Algebra and Its Applications
ISSN： 0024-3795
Year： 2004
Issue： 1-3
Volume： 381
Page： 53-60
0 . 5 0 1
JCR@2004
1 . 0 0 0
JCR@2023
JCR Journal Grade：3
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WoS CC Cited Count： 0
SCOPUS Cited Count： 12
ESI Highly Cited Papers on the List： 0 Unfold All
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