Ana M. Urbano

Available identifiers

zbMath Open urbano.ana-mariaMaRDI QIDQ274212

List of research outcomes

Publication	Date of Publication	Type
Jordan structures of irreducible totally nonnegative matrices with a prescribed sequence of the first p-indices	2022-04-04	Paper
All Jordan canonical forms of irreducible totally non-negative matrices	2021-09-13	Paper
On totally nonpositive matrices associated with a triple negatively realizable	2021-08-30	Paper
Irreducible totally nonnegative matrices with a prescribed Jordan structure	2021-02-12	Paper
A direct method to obtain a realization of a polynomial matrix and its applications	2020-02-25	Paper
On the maximum rank of totally nonnegative matrices	2019-07-12	Paper
On the characterization of totally nonpositive matrices	2017-06-30	Paper
Improving the condition number of a simple eigenvalue by a rank one matrix	2016-04-22	Paper
Eigenstructure of rank one updated matrices	2015-10-13	Paper
Full rank Cholesky factorization for rank deficient matrices	2015-05-06	Paper
Modelling big game populations when hunting is age and sex selective	2015-02-19	Paper
Full rank factorization in quasi-\(LDU\) form of totally nonpositive rectangular matrices	2014-04-02	Paper
Quasi-\(LDU\) factorization of nonsingular totally nonpositive matrices	2014-01-21	Paper
A Brauer's theorem and related results	2012-07-03	Paper
Some characterizations of totally nonpositive (totally negative) matrices	2011-02-10	Paper
https://portal.mardi4nfdi.de/entity/Q3559077	2010-05-11	Paper
Characterizations of rectangular totally and strictly totally positive matrices	2010-04-06	Paper
On Positivity of Discrete-Time Singular Systems and the Realization Problem	2010-03-04	Paper
Full rank factorization in echelon form of totally nonpositive (negative) rectangular matrices	2009-10-14	Paper
$LDU$ Factorization of Nonsingular Totally Nonpositive Matrices	2009-04-30	Paper
https://portal.mardi4nfdi.de/entity/Q3437497	2007-05-09	Paper
Totally nonpositive completions on partial matrices	2006-03-22	Paper
The symmetric \(N\)-matrix completion problem	2005-09-28	Paper
The doubly negative matrix completion problem	2005-06-01	Paper
https://portal.mardi4nfdi.de/entity/Q4657080	2005-03-14	Paper
Nilpotent completions of partial upper triangular matrices	2004-11-18	Paper
The \(N\)-matrix completion problem under digraphs assumptions.	2004-03-29	Paper
https://portal.mardi4nfdi.de/entity/Q4453348	2004-03-07	Paper
\(N\)-matrix completion problem.	2003-10-15	Paper
Completions of partial \(P\)-matrices with acyclic or non-acyclic associated graph	2003-07-30	Paper
\(r\)-numbers completion problems of partial upper canonical form. II	2003-03-10	Paper
Inverse \(M\)-matrix completion problem with zeros in the inverse completion	2002-09-03	Paper
\(r\)-numbers completion problems of partial upper canonical form. I	2002-09-03	Paper
Graphs and controllability completion problems	2002-04-10	Paper
On the Jordan form of completions of partial upper triangular matrices	2000-12-05	Paper
On the Segre characteristic of a block triangular matrix	2000-10-08	Paper
\(P\)-matrix completions under weak symmetry assumptions	2000-08-07	Paper
Controllability completion problems of partial upper triangular matrices∗	2000-06-05	Paper
An algorithm for nilpotent completions of partial Jordan matrices	1999-12-19	Paper
An Algorithm for the Single-Input Pole Assignment Problem	1994-11-17	Paper
A parallel algorithm for the partial single-input pole assignment problem	1994-08-07	Paper
An algorithm for the multiinput pole assignment problem	1994-05-09	Paper
Pole-placement problem for discrete-time linear periodic systems	1989-01-01	Paper
https://portal.mardi4nfdi.de/entity/Q3818878	1988-01-01	Paper
Pole-assignment problem for discrete-time linear periodic systems	1987-01-01	Paper

Research outcomes over time

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