Totally positive matrices and totally positive hypergraphs

Authors
Kubicki, G Lehel, J Morayne, M
Citation
G. Kubicki et al., Totally positive matrices and totally positive hypergraphs, LIN ALG APP, 331(1-3), 2001, pp. 193-202
Citations number
9
Categorie Soggetti
Mathematics
Journal title
LINEAR ALGEBRA AND ITS APPLICATIONS
ISSN journal
00243795 → ACNP
Volume
331
Issue
1-3
Year of publication
2001
Pages
193 - 202
Database
ISI
SICI code
0024-3795(20010701)331:1-3<193:TPMATP>2.0.ZU;2-M
Abstract
A real matrix is totally positive if all its miners are nonnegative. In thi s paper, we characterize 0-1 matrices that can be transformed into totally positive matrices by permutations of rows and columns. (C) 2001 Elsevier Sc ience Inc. All rights reserved.