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Irreducible totally nonnegative matrices with a prescribed Jordan structure

Cantó Colomina, Begoña; Cantó Colomina, Rafael; Urbano Salvador, Ana María (Elsevier, 2021-01-15)

[EN] Let A be an irreducible totally nonnegative matrix with rank r and principal rank p, that is, all minors of A are nonnegative, r is the size of the largest invertible square submatrix of A and p is the size of its ...
Jordan structures of irreducible totally nonnegative matrices with a prescribed sequence of the first p-indices

Cantó Colomina, Begoña; Cantó Colomina, Rafael; Urbano Salvador, Ana María (Springer-Verlag, 2022-03-19)

[EN] Let A be an nxn irreducible totally nonnegative matrix with rank r and principal rank p, that is, A is irreducible with all minors nonnegative, r is the size of the largest invertible square submatrix of A and p is ...
On the maximum rank of totally nonnegative matrices

Cantó Colomina, Rafael; Urbano Salvador, Ana María (Elsevier, 2018-08-15)

[EN] Let A is an element of R-nxn be a totally nonnegative matrix with principal rank p, that is, every minor of A is nonnegative and p is the size of the largest invertible principal submatrix of A. We introduce the ...

Mostrando ítems 1-3 de 3