Means for fixed rank PSD matrices

DOI10.1007/s43036-020-00063-9zbMath1440.15031OpenAlexW3027675275MaRDI QIDQ782525

Jun Ichi Fujii

Publication date: 27 July 2020

Published in: Advances in Operator Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s43036-020-00063-9

zbMATH Keywords

Grassmannianspositive semidefinite matrixoperator mean

Mathematics Subject Classification ID

Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Positive matrices and their generalizations; cones of matrices (15B48) Synthetic treatment of fundamental manifolds in projective geometries (Grassmannians, Veronesians and their generalizations) (51M35) Operator means involving linear operators, shorted linear operators, etc. (47A64) Matrix exponential and similar functions of matrices (15A16)

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