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Published in 2017 at "Arab Journal of Mathematical Sciences"
DOI: 10.1016/j.ajmsc.2016.11.002
Abstract: Abstract A sign pattern is a matrix whose entries belong to the set { + , − , 0 } . An n -by- n sign pattern A is said to allow an eventually positive…
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Keywords:
sign patterns;
sign pattern;
sign;
potentially eventually ... See more keywords
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Published in 2017 at "Linear Algebra and its Applications"
DOI: 10.1016/j.laa.2016.12.036
Abstract: Abstract We characterize those eventually positive matrices A such that the sum of A and every nonnegative matrix remains eventually positive. For n ≥ 3 , we show that for every eventually positive matrix A…
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Keywords:
eventually positive;
positive matrices;
nonnegative eventually;