Publications
Publicações

Publications

The completion problem for N-matrices

Juan R. Torregrosa

Some pseudovariety joins involving locally trivial semigroups and groups

DOI

About the von Neumann regularity of triangular block matrices

Linear Algebra and Its Applications | 2001

R. Puystjens

DOI

The Moore-Penrose inverse of von Neumann regular matrices over a ring

Linear Algebra and Its Applications | 2001
DOI

Globals of pseudovarieties of commutative semigroups: The finite basis problem, decidability and gaps

Proceedings of the Edinburgh Mathematical Society | 2001

J. Almeida

Approximating the conformal maps of elongated quadrilaterals by domain decomposition

Constructive Approximation | 2001

N. Papamichael

N.S. Stylianopoulos

DOI

LS-catégorie algébrique et attachement de cellules

Canadian Mathematical Bulletin | 2001
DOI

On the convergence analysis of a multipliers method

L. N. Vicente

An efficient parallel algorithm for the symmetric tridiagonal eigenvalue problem

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) | 2001

R. Ralha

Basic analog of fourier series on a q-linear grid

Journal of Approximation Theory | 2001

J. Bustoz

DOI

Erratum:

Journal of Approximation Theory | 2001

J. Bustoz

Erratum: "Basic analog of fourier series on q-linear grid" (Journal of Approximation Theory (2001) vol. 112 (1) (134-157))

Journal of Approximation Theory | 2001

J. Bustoz

DOI

On semidirectly closed pseudovarieties of aperiodic semigroups

Journal of Pure and Applied Algebra | 2001
DOI

The Semidirectly Closed Pseudovariety Generated by Aperiodic Brandt Semigroups

International Journal of Algebra and Computation | 2001
DOI

Optimization of dynamic neural fields [1]

Neurocomputing | 2001

C. Igel

D. Jancke

DOI

Linear operators preserving the numerical range (radius) on triangular matrices

Linear and Multilinear Algebra | 2001

C.-K. Li

P. Šemrl

Graph Products of Monoids

Semigroup Forum | 2001
DOI

On graph products of automatic monoids

RAIRO - Theoretical Informatics and Applications | 2001
DOI

Free profinite locally idempotent and locally commutative semigroups

Journal of Pure and Applied Algebra | 2001
DOI

How modern mathematics came to Portugal

Mathematical Intelligencer | 2001

Non-radial null geodesics in spherical dust collapse

Classical and Quantum Gravity | 2001

B.C. Nolan

DOI

Ranks of submatrices and the off-diagonal indices of a square matrix

Linear Algebra and Its Applications | 2000

E. Marques De Sá

The number of Kronecker indices of square pencils of a special kind

Linear Algebra and Its Applications | 2000

E. Marques De Sá

On finitely based pseudovarieties of the forms V * D and V * D<inf>n</inf><sup>1</sup>

Journal of Pure and Applied Algebra | 2000

J. Almeida