Alberto Borobia

发表

*-graphs of Vertices of the Generalized Transitive Tournament Polytope

Alberto Borobia, Valerio Chumillas, 1998, Discret. Math..

Mirror property for nonsingular mixed configurations of lines and points in ℝ3

Alberto Borobia, 1994, Discret. Comput. Geom..

Vertices of the generalized transitive tournament polytype

Alberto Borobia, 1997, Discret. Math..

The real nonnegative inverse eigenvalue problem is NP-hard pdf

Alberto Borobia, Roberto Canogar, A. Borobia, 2016, ArXiv.

On the Consistency of the Matrix Equation X⊤AX=B\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$X^\top A X=B$$\end{doc

Alberto Borobia, Roberto Canogar, Fernando De Terán, 2021, Mediterranean Journal of Mathematics.

Nonsparse companion Hessenberg matrices

Alberto Borobia, Roberto Canogar, 2021 .

Doubly stochastic matrices and dicycle covers and packings in eulerian digraphs

Alberto Borobia, Zeev Nutov, Michal Penn, 1996 .

Symmetric nonnegative realization of spectra

Alberto Borobia, Julio Moro, Oscar Rojo, 2007 .

On the nonnegative eigenvalue problem

Alberto Borobia, A. Borobia, 1995 .

Negativity compensation in the nonnegative inverse eigenvalue problem

Alberto Borobia, Julio Moro, Ricardo L. Soto, 2004 .

(0, ½, 1) matrices which are extreme points of the generalized transitive tournament polytope

Alberto Borobia, 1995 .

Matrix scaling: A geometric proof of Sinkhorn's theorem

Alberto Borobia, Rafael Cantó, A. Borobia, 1998 .

On the comparison of some realizability criteria for the real nonnegative inverse eigenvalue problem

Alberto Borobia, Julio Moro, Ricardo Soto, 2005 .