Publications
Publicações

Publications

Could mathematics transform my land in the capital of universe?

Fifth European Summer University on the History and Epistemology in Mathematics Education, ESU 5, 2007 | 2007

C. Costa

M. Nascimento

Could mathematics transform my land in the capital of universe?

In Fifth European Summer University on the History and Epistemology in Mathematics Education, ESU 5, 2007, Praga | 2007

Da Colinearidade no ensino secundário à dependência linear no ensino superior: Que descontinuidades?

C. Costa

DOI

Matematizando em Trás-os-Montes e Alto Douro: uma primeira tentativa

ElementaryMathematics Education, 2nd International Meeting - EME06 - (Elementary Mathematical Education) | 2007

C. Costa

M. Nascimento

Obtaining a class of type O pure radiation metrics with a negative cosmological constant, using invariant operators

General Relativity and Gravitation | 2007

S.B. Edgar

DOI

Type O pure radiation metrics with a cosmological constant

General Relativity and Gravitation | 2007

S. Brian Edgar

DOI

Using the generalised invariant formalism: A class of conformally flat pure radiation metrics with a negative cosmological constant

Journal of Physics: Conference Series | 2007

S. Brian Edgar

DOI

Isomorphism problems for transformation semigroups

Semigroups and formal languages | 2007

tdc.msm: An R library for the analysis of multi-state survival data

Computer Methods and Programs in Biomedicine | 2007

C. Cadarso-Suárez

J. De Uña-Álvarez

DOI

Lanczos potentials and a definition of gravitational entropy for perturbed Friedman-Lemaitre-Robertson-Walker spacetimes

Classical and Quantum Gravity | 2007

P. Tod

DOI

Lanczos potentials for linearly perturbed FLRW spacetimes

Journal of Physics: Conference Series | 2007

P. Tod

DOI

Linear perturbations of matched spacetimes: The gauge problem and background symmetries

Classical and Quantum Gravity | 2007

M. Mars

R. Vera

DOI

Nonlinear vector perturbations in a contracting universe

Classical and Quantum Gravity | 2007

D.J. Mulryne

R. Tavakol

DOI

Hyponatremia during the first 24 hours following minor ear, nose and throat surgery secondary to the use of Ringer Lactate solution | Hiponatrémia nas primeiras 24 horas pós-cirurgia otorrinolaringo

Arquivos de Medicina | 2007

A. Alegria

M.P. Alonso

S. Guimarães

A.P. Alves

M.J. Nunes

M.F. Caldas

Completing Herbelin's programme

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) | 2007

Delayed substitutions

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) | 2007

Refocusing generalised normalisation

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) | 2007
DOI

Using the generalised invariant formalism: A class of conformally flat pure radiation metrics with a negative cosmological constant

Journal of Physics: Conference Series | 2007
DOI

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

Hiroshima Mathematical Journal | 2006

Spectrally arbitrary factorization: the nonderogatory case

Textos Mat. S´er.B, 39, Univ. Coimbra, 2006 | 2006

Intrinsic scaling for PDE's with an exponential nonlinearity

Indiana University Mathematics Journal | 2006

J.M. Urbano

DOI

The nonlinear problem of two membranes

Mathematical properties of the elasticity difference tensor

AIP Conference Proceedings | 2006

E.G.L.R. Vaz

DOI

A relaxation kinetic model for transport phenomena in a reactive flow

Physics of Fluids | 2006

G.M. Kremer

M. Pandolfi Bianchi

DOI

A 3-dimensional Bergman kernel method with applications to rectangular domains

Journal of Computational and Applied Mathematics | 2006

S. Bock

K. Gürlebeck

H. Malonek

DOI

Bords homotopiques et modèles de Quillen

Homology, Homotopy and Applications | 2006

P. Lambrechts

DOI

Joins of DGA modules and sectional category

Algebraic & Geometric Topology | 2006

Lucía Fernández Suárez

Pierre Ghienne

DOI

Relative directed homotopy theory of partially ordered spaces

Journal of Homotopy and Related Structures | 2006
DOI

Note on L.-S. category and DGA modules

Bulletin of the Belgian Mathematical Society - Simon Stevin | 2006
DOI

Structural proof theory as rewriting

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) | 2006

M.J. Frade

DOI

Structural proof theory as rewriting

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) | 2006

M.J. Frade

L. Pinto

Monotone and nonmonotone implementations of an interior-point SQP filter line search algorithm

WSEAS Transactions on Information Science and Applications | 2006

E.M.G.P. Fernandes

Precipitation measurement and the analysis of hydrological resources in a river basin

Proceedings of ACCURACY 2006 - 7th International Symposium on Spatial Accuracy Assessment in Natural Resources and Environmental Sciences | 2006

T. Alpuim

On the waiting time to escape

Journal of Applied Probability | 2006
DOI

Further results on the asymptotic growth of entire solutions of iterated Dirac equations in ℝ<sup>n</sup>

Mathematical Methods in the Applied Sciences | 2006

D. Constales

R.S. Kraußhar

DOI

On Cauchy estimates and growth orders of entire solutions of iterated Dirac and generalized Cauchy-Riemann equations

Mathematical Methods in the Applied Sciences | 2006

D. Constales

R.S. Kraußhar

DOI

On Normal Families and Growth Behavior of Polymonogenic Functions

Basic Fourier series on a q-linear grid: Convergence theorems

Journal of Mathematical Analysis and Applications | 2006
DOI

Ladder type operators and recurrence relations for the radial wave functions of the N-th dimensional oscillators and hydrogenlike atoms

Iniciación a la Investigación - Universidad de Jaén | 2006

E. M. Costa

On recurrence relations for radial wave functions for the N-TH dimensional oscillators and hydrogenlike atoms: Analytical and numerical study

Electronic Transactions on Numerical Analysis | 2006

R. Álvarez-Nodarse

N.R. Quintero

Maximal inverse subsemigroups of the symmetric inverse semigroup on a finite-dimensional vector space

Communications in Algebra | 2006

R.P. Sullivan

DOI

Semigroups of injective linear transformations with infinite defect

Communications in Algebra | 2006
DOI

A dynamic model for action understanding and goal-directed imitation

Brain Research | 2006

A. Mukovskiy

E. Bicho

DOI

Goal-directed imitation for robots: A bio-inspired approach to action understanding and skill learning

Robotics and Autonomous Systems | 2006

A. Mukovskiy

E. Bicho

G. Panin

C. Kiss

A. Knoll

H. Van Schie

DOI

Goals and means in action observation: A computational approach

Neural Networks | 2006

R.H. Cuijpers

H.T.v. Schie

M. Koppen

H. Bekkering

DOI

Robust persistent activity in neural fields with asymmetric connectivity

Neurocomputing | 2006

C. Horta

DOI

The dynamic neural field approach to cognitive robotics

Journal of Neural Engineering | 2006

E. Bicho

DOI

Totally nonpositive completions on partial matrices

Linear Algebra and Its Applications | 2006

J.R. Torregrosa

A.M. Urbano

DOI