Orthogonality of matrices in the Ky Fan k-norms
Abstract
We obtain necessary and sufficient conditions for a matrix A to be Birkhoff-James orthogonal to another matrix B in the Ky Fan k-norms. A characterization for A to be Birkhoff-James orthogonal to any subspace W of M(n) is also obtained.
0
Turn this paper into a lesson
ArcXiv compiles a structured reading guide from this paper's metadata: plain-English importance, contributions, prerequisite concepts, which sections to read first, flashcards, and a quiz. Grounded in the abstract, never invented.