Matrix positivity preservers in fixed dimension. I

DOI10.1016/j.aim.2016.04.016zbMath1339.15016arXiv1504.07674OpenAlexW2148326710MaRDI QIDQ291760

Apoorva Khare, Alexander C. R. Belton, Dominique Guillot, Mihai Putinar

Publication date: 10 June 2016

Published in: Advances in Mathematics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1504.07674

zbMATH Keywords

variational inequalitylinear matrix inequalityHadamard productSchur polynomialpositive definite matrixcorrelation matrixcharacteristic valueentrywise functionpencils of matricespositivity preserversspectrahedron

Mathematics Subject Classification ID

Variational inequalities (49J40) Positive matrices and their generalizations; cones of matrices (15B48) Miscellaneous inequalities involving matrices (15A45) Matrix pencils (15A22) Linear preserver problems (15A86)

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