Restricted Riemannian geometry for positive semidefinite matrices
DOI10.1016/j.laa.2023.01.026OpenAlexW3168607775MaRDI QIDQ2693707
Qiang Sun, Yuying Xie, A. Martina Neuman
Publication date: 24 March 2023
Published in: Linear Algebra and its Applications (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/2105.14691
Riemannian geometrydensitypositive semidefinite matricesmatrix decompositionPCAgeodesic completenessFréchet meansparallel transportsendpoint geodesicsprincipal eigenspaces
Geodesics in global differential geometry (53C22) Differential geometry of symmetric spaces (53C35) Lie groups (22E99) Basic linear algebra (15A99) Operator means involving linear operators, shorted linear operators, etc. (47A64)
Uses Software
Cites Work
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- \(C^*\)-algebras by example
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