Publications
Publicações

Publications

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
DOI

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

Shorter latencies for motion trajectories than for flashes in population responses of cat primary visual cortex

Journal of Physiology | 2004

D. Jancke

G. Schöner

H.R. Dinse

DOI

The role of action plans and other cognitive factors in motion extrapolation: A modelling study

Visual Cognition | 2004

D. Jancke

DOI

On generalized numerical ranges of operators on an indefinite inner product space

Linear and Multilinear Algebra | 2004

N. Bebiano

R. Lemos

J. Da Providência

Reducibility of joins involving some locally trivial pseudovarieties

Communications in Algebra | 2004
DOI

The N -matrix completion problem under digraphs assumptions

Linear Algebra and Its Applications | 2004

J.R. Torregrosa

A.M. Urbano

DOI

Livro das Atas do Encontro Nacional de Algebristas Portugueses 2004

E. Giraldes

C. Costa

Matching of spatially homogeneous nonstationary space-times to vacuum in cylindrical symmetry

Physical Review D - Particles, Fields, Gravitation and Cosmology | 2004

P. Tod

DOI

Role of anisotropy and inhomogeneity in Lemaitre-Tolman-Bondi collapse

Physical Review D - Particles, Fields, Gravitation and Cosmology | 2004

B.C. Nolan

R. Tavakol

DOI

Confluence and strong normalisation of the generalised multiary lambda-calculus

Annals of the New York Academy of Sciences | 2004

L Pinto

O que é a probabilidade? : interpretações da probabilidade

Kirchhoff-Love plate model vs. Bernoulli-Navier beam model

J.M. Viaño

Uma contribuição para o estudo de problemas de completamento de matrizes

Stability of Equilibria in Equations of Hodgkin-Huxley Type

Real and complex singularities | 2004

Isabel Labouriau

DOI

The N -matrix completion problem under digraphs assumptions

Linear Algebra and Its Applications | 2004

J.R. Torregrosa

A.M. Urbano

DOI

Contradomínios numéricos de operadores em espaços com produtos internos indefinidos

Tameness of the pseudovariety LS1

International Journal of Algebra and Computation | 2004

M.L. Teixeira

DOI

Analytical and numerical solutions for a class of optimization problems in elasticity

L. Trabucho

Some results in topology optimization applied to biomechanics

L. Trabucho

DOI

Remarks on generalized numerical ranges of operators on an indefinite inner product space

J. Da Providência

N. Bebiano

R. Lemos

Well centered spherical quadrangles

Beiträge zur Algebra und Geometrie / Contributions to Algebra and Geometry | 2003

The Moore-Penrose inverse of a factorization

Linear Algebra and Its Applications | 2003
DOI

On the algebraic approximation of Lusternik-Schnirelmann category

Journal of Pure and Applied Algebra | 2003
DOI

Permutative conversions in intuitionistic multiary sequent calculi with cuts

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) | 2003
DOI

Updating the multipliers associated with inequality constraints in an augmented Lagrangian multiplier method

Journal of Optimization Theory and Applications | 2003

L.N. Vicente

DOI