Publications
Publicações

Publications

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
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The Semidirectly Closed Pseudovariety Generated by Aperiodic Brandt Semigroups

International Journal of Algebra and Computation | 2001
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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

A parabolic quasi-variational inequality arising in a superconductivity model

Kinetic formulation of linear stability for steady detonation waves

Rivista Matematica della Università di Parma | 2000

Reactive Euler equations of discrete models with reversible reactions

Continuum Mechanics and Thermodynamics | 2000

M. Pandolfi Bianchi

Suspension of Ganea fibrations and a Hopf invariant

Topology and its Applications | 2000

Covariance Estimation of the limit process of the empirical process under association

wses - Recent Advances in Applied and Theoretical Mathematics | 2000

Covariance estimation of the limit process of the empirical process under association

Recent Advances in Applied and Theoretical Mathematics | 2000

P.E. Oliveira

Kernel - Type Estimation of Bivariate Distribution Function for associated Random Variables

New Trends in Probability and Statistics, Proceedings of the 6 Tartu Conference, VSP | 2000

Free profinite semigroups over some classes of semigroups locally in DG

International Journal of Algebra and Computation | 2000

Some variations on the notion of locally testable language

Symmetries and the Karlhede classification of type N vacuum solutions

Classical and Quantum Gravity | 2000

E.G.L.R. Vaz

DOI

Wiener-Hopf factorization for a group of exponentials of nilpotent matrices

Linear Algebra and Its Applications | 2000

M.C. Câmara

Density contrast indicators in cosmological dust models

Pramana - Journal of Physics | 2000

R. Tavakol

Initial data and spherical dust collapse

Physical Review D - Particles, Fields, Gravitation and Cosmology | 2000

R. Tavakol

P.S. Joshi

Revisiting the correspondence between cut elimination and normalisation

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) | 2000
DOI

Pseudovariety joins involving script J sign-trivial semigroups

International Journal of Algebra and Computation | 1999

J. Almeida

M. Zeitoun

A parabolic variational inequality with non-constant gradient constraint

Curvilinear crosscuts of subdivision for a domain decomposition method in numerical conformal mapping

Journal of Computational and Applied Mathematics | 1999

N. Papamichael

N.S. Stylianopoulos

DOI

Sur le transfert de Becker et Gottlieb

Bulletin of the Belgian Mathematical Society - Simon Stevin | 1999

Permutability of proofs in intuitionistic sequent calculi

Theoretical Computer Science | 1999

R. Dyckhoff

DOI

Métodos para Inclusão de Raízes s Simples de uma Equação não linear

Existência de Capacidade Simpletica

Equidistribution of parabolic fixed points in the limit set of Kleinian groups

Ergodic Theory and Dynamical Systems | 1999

Parametric population representation of retinal location: Neuronal interaction dynamics in cat primary visual cortex

Journal of Neuroscience | 1999

D. Jancke

H.R. Dinse

A.C. Akhavan

M. Giese

A. Steinhage

G. Schöner

The distribution of neuronal population activation (DPA) as a tool to study interaction and integration in cortical representations

Journal of Neuroscience Methods | 1999

A. Bastian

D. Jancke

A. Riehle

G. Schöner

DOI

Free Profinite R-trivial, Locally Idempotent and Locally Commutative Semigroups

Semigroup Forum | 1999
DOI

The Monoid of orientation-preserving mappings on a chain

Semigroup Forum | 1999

P.M. Higgins

DOI

Evolution of the density contrast in inhomogeneous dust models

Classical and Quantum Gravity | 1999

R. Tavakol

DOI

On the number of invariant polynomials of the product of matrices with prescribed similarity classes

Linear Algebra Appl. | 1998

Three examples of join computations

Semigroup Forum | 1998

M. Zeitoun

Initial-boundary-value problem for the broadwell model of a gas mixture with bimolecular reaction

Mathematical Methods in the Applied Sciences | 1998

Cut-Elimination and a Permutation-Free Sequent Calculus for Intuit ionist ic Logic

Studia Logica | 1998

R.O.Y. Dyckhoff

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