Publications
Publicações

Publications

Discretization of Iterative Refinement Methods for a Second Kind Operator Equation

The Journal of Analysis | 2006

Filomena D. D'Almeida

Paulo B. Vasconcelos

LAD Regression and Non parametric Methods for Detecting Outliers and Leverage Points

Student | 2006

Boundary Regularity at {t = 0} for a Singular Free Boundary Problem

Free Boundary Problems | 2006

Eurica Henriques

José Urbano

DOI

Dihedral f-tilings of the sphere by rhombi and triangles

Discrete Mathematics and Theoretical Computer Science | 2005

A.M. Breda

On the number of invariant factors of matrix products

Linear Algebra and Its Applications | 2005

E.M. De Sá

DOI

Diagonalizing triangular matrices via orthogonal Pierce decompositions

Linear Algebra and Its Applications | 2005

R.E. Hartwig

R. Puystjens

DOI

S.F. Lacroix, Traité du calcul différentiel et du calcul intégral, first edition (1797–1800)

Landmark Writings in Western Mathematics 1640-1940 | 2005
DOI

On the doubly singular equation y(u)<inf>t</inf>= Δ<inf>p</inf>u

Communications in Partial Differential Equations | 2005

J.M. Urbano

DOI

REMARKS ON THE TWO AND THREE MEMBRANES PROBLEM

Recent Advances in Elliptic and Parabolic Problems | 2005

JOSÉ-FRANCISCO RODRIGUES

DOI

The N-membranes problem for quasilinear degenerate systems

Interfaces and Free Boundaries | 2005

J.-F. Rodrigues

A reactive BGK-type model: Influence of elastic collisions and chemical interactions

AIP Conference Proceedings | 2005

R. Monaco

M. Pandolfi Bianchi

DOI

BGK-type models in strong reaction and kinetic chemical equilibrium regimes

Journal of Physics A: Mathematical and General | 2005

R. Monaco

M.P. Bianchi

DOI

First-order kinetic approximation for a reactive gas mixture

Continuum Mechanics and Thermodynamics | 2005

M.P. Bianchi

DOI

On the global well-posedness of discrete Boltzmann systems with chemical reaction

Mathematical Methods in the Applied Sciences | 2005

F. Oliveira

DOI

Model checking embedded systems with PROMELA

Proceedings - 12th IEEE International Conference and Workshops on the Engineering of Computer-Based Systems, ECS 2005 | 2005

O.R. Ribeiro

J.M. Fernandes

On a generalized yorke condition for scalar delayed population models

Discrete and Continuous Dynamical Systems | 2005

T. Faria

E. Liz

S. Trofimchuk

On the multivariate kernel distribution estimator for distribution functions under association

Applied Stochastic Models Data Analysis | 2005

On the asymptotic growth of entire monogenic functions

Zeitschrift fur Analysis und ihre Anwendung | 2005

R.S. Kraußhar

Recurrence relations for discrete hypergeometric functions

Journal of Difference Equations and Applications | 2005

R. Álvarez-Nodarse

DOI

Inverse semigroups generated by linear transformations

Bulletin of the Australian Mathematical Society | 2005

R.P. Sullivan

A note on Hölder regularity of invariant distributions for horocycle flows

Nonlinearity | 2005
DOI

Normal forms and linearization of resonant vector fields with multiple eigenvalues

Journal of Mathematical Analysis and Applications | 2005

J. Basto-Gonçalves

DOI

Action understanding and imitation learning in a robot-human task

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) | 2005

A. Mukovskiy

E. Bicho

G. Panin

C. Kiss

A. Knoll

H. Van Schie

DOI

An architecture for interactive robots based on nonlinear dynamics

Springer Tracts in Advanced Robotics | 2005

R. Menzner

A. Steinhage

Autonomous flight trajectory generation via attractor dynamics

2005 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS | 2005

E. Bicho

A. Moreira

M. Carvalheira

DOI

Inequalities for J-Hermitian matrices

Linear Algebra and Its Applications | 2005

N. Bebiano

H. Nakazato

J. Da Providência

R. Lemos

DOI

On the geometry of numerical ranges in spaces with an indefinite inner product

Linear Algebra and Its Applications | 2005

N. Bebiano

R. Lemos

J. Da Providência

DOI

Three observations on the determinantal range

Linear Algebra and Its Applications | 2005

N. Bebiano

DOI

Tameness of pseudovariety joins involving R

Monatshefte fur Mathematik | 2005

J. Almeida

M. Zeitoun

DOI

The doubly negative matrix completion problem

Linear Algebra and Its Applications | 2005

J.R. Torregrosa

A.M. Urbano

DOI

The symmetric N-matrix completion problem

Linear Algebra and Its Applications | 2005

J.R. Torregrosa

A.M. Urbano

DOI

Obtaining a class of type N pure radiation metrics using invariant operators

Classical and Quantum Gravity | 2005

S.B. Edgar

DOI

Spherically symmetric perfect fluid in area-radial coordinates

Classical and Quantum Gravity | 2005

H. Iguchi

T. Harada

DOI

On asymptotic stabilization of elastic systems

2005 International Conference on Physics and Control, PhysCon 2005, Proceedings | 2005

A. Sarychev

DOI

Remarks on stability of inverted pendula

Rendiconti del Seminario Matematico | 2005

A.V. Sarychev

Exploratory analysis of longitudinal trials with staggered intervention times

Biostatistics | 2005

A.G. Chetwynd

P.J. Diggle

DOI

Dihedral f-tilings of the sphere by spherical triangles and equiangular well-centered quadrangles

Beitrage zur Algebra und Geometrie | 2004

A.M. D'Azevedo Breda

Drazin-Moore-Penrose invertibility in rings

Linear Algebra and Its Applications | 2004

R. Puystjens

DOI

Generalized invertibility in two semigroups of a ring

Linear Algebra and Its Applications | 2004

P. Patrício

DOI

Variables, limits, and infinitesimals in Portugal in the late 18th century

Historia Mathematica | 2004
DOI

Convergence of convex sets with gradient constraint

Journal of Convex Analysis | 2004

Lagrangian intersections, critical points and Qcategory

Mathematische Zeitschrift | 2004

P.-M. Moyaux

DOI

Confluence and Strong Normalisation of the Generalised Multiary λ-Calculus

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) | 2004

Type-based termination of recursive definitions

Mathematical Structures in Computer Science | 2004

G. Barthe

M.J. Frade

E. Giménez

T. Uustalu

DOI

Sobre métodos de multiplicadores baseados em funções de lagrangeano aumentado.

Confluence and Strong Normalisation of the Generalised Multiary λ-Calculus

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) | 2004

L. Pinto

Baer-Levi semigroups of linear transformations

Royal Society of Edinburgh - Proceedings A | 2004

R.P. Sullivan

Tameness of the pseudovariety LS1

International Journal of Algebra and Computation | 2004