Nonnegative and eventually positive matrices
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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… read more here.
Keywords: eventually positive; positive matrices; nonnegative eventually;
A factorization method for completely positive matrices
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DOI: 10.1016/j.laa.2019.12.024
Abstract: Abstract A matrix A is called completely positive, if there exists an entrywise nonnegative matrix B such that A = B B T . These matrices play a major role in combinatorial and quadratic optimization.… read more here.
Keywords: factorization method; positive matrices; method completely; method ... See more keywords