scientific article

Publication date: 9 August 1998

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

direct sums textbook Hadamard matrices isoperimetric inequality quadratic forms centralizers best approximation generalized inverse matrix equations Moore-Penrose inverse Kronecker product circulant matrices normal matrices Fourier matrix magic squares block circulants elementary plane geometry

Mathematics Subject Classification ID

Hermitian, skew-Hermitian, and related matrices (15B57) Introductory exposition (textbooks, tutorial papers, etc.) pertaining to linear algebra (15-01)

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