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Results tagged with matrix-theory
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user 91650
Matrix theory is the study of matrices as concrete objects, rather than as abstract linear operators between vector spaces (whose study belongs to linear algebra). For instance, this involves matrix factorizations and decompositions, nonnegative matrices and Perron-Frobenius theory, Schur complements, structured and special matrices, matrix functions and equations.
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Number of Skew Symmetric Matrices of fixed rank
The number of symmetric matrices of order $n$ and rank $r$ over finite fields has been counted e.g.
http://www.math.clemson.edu/~kevja/REU/2004/SymmetricRankRMatrices.pdf
Is the number of skew-symm …
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