Publications | Research

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

Paula Catarino

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

C. Costa

P. Catarino

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

P. Catarino

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

M.P.M. Ramos

DOI

Type O pure radiation metrics with a cosmological constant

General Relativity and Gravitation | 2007

S. Brian Edgar

M.P. Machado Ramos

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

M.P. Machado Ramos

DOI

Isomorphism problems for transformation semigroups

Semigroups and formal languages | 2007

Suzana Gonçalves

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

Computer Methods and Programs in Biomedicine | 2007

L. Meira-Machado

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

F.C. Mena

P. Tod

DOI

Lanczos potentials for linearly perturbed FLRW spacetimes

Journal of Physics: Conference Series | 2007

F.C. Mena

P. Tod

DOI

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

Classical and Quantum Gravity | 2007

M. Mars

F.C. Mena

R. Vera

DOI

Nonlinear vector perturbations in a contracting universe

Classical and Quantum Gravity | 2007

F.C. Mena

D.J. Mulryne

R. Tavakol

DOI