Publications
Publicações

Publications

Nonparametric estimation of the tail-dependence coefficient

Revstat Statistical Journal | 2013

On the tail index estimation of an autoregressive pareto process

Discussiones Mathematicae Probability and Statistics | 2013
DOI

Modified K-pell sequence: Some identities and ordinary generating function

DOI

On some identities and generating functions for k-pell-lucas sequence

DOI

Some basic properties and a two-by-two matrix involving the k-Pell numbers

DOI

A note involving two-by-two matrices of the k-Pell and k-Pell-Lucas sequences

International Mathematical Forum 8, 32: 1561 - 1568 | 2013
DOI

A sequência de fibonacci e a sequência de Lucas: propostas práticas de exploração no 3.º ciclo do ensino básico

Ano da Matemática do Planeta Terra 2013

APM - Associação de Professores de Matemática | 2013

C. Costa

M. Nascimento

Elementos de matemática para o Ensino Básico, Teoria de conjuntos, lógica e relações binárias

Geometry and Google Earth

In ENTENP 2013 – Conference on Enabling Teachers for Enterpreneurship Education, Guarda | 2013

Group closures of injective order-preserving transformations

International Journal of Algebra 7, 15: 703 - 716 | 2013
DOI

On some identities and generating functions for k- Pell numbers

International Journal of Mathematical Analysis | 2013
DOI

Os anti prismas e o seu potencial no ensino: uma proposta de tarefas no âmbito do tema geometria e medida para o 1.º Ciclo do Ensino Básico

Scilab na Álgebra Linear

CISPEE2013 – 2013 1st International Conference of the Portuguese Society for Engineering Education | 2013

P. Vasco

Scilab na Álgebra Linear

Trabalho apresentado em CISPEE2013 – 2013 1st International Conference of the Portuguese Society for Engineering Education, In CISPEE2013 – 2013 1st International Conference of the Portuguese Society for Engineering Education, Porto | 2013

Um curioso caso de colaboração científica relativo a J. Anastácio da Cunha

Seminário MAT2 2013 | 2013

C. Costa

Um curioso caso de colaboração científica relativo a J. Anastácio da Cunha

Trabalho apresentado em Seminário MAT2 2013, In Atas de Seminário MAT2 2013, Vila Real | 2013

Creative Little Scientists : enabling creativity through Science and Mathematics in preschool and first years of primary education : country report on in-depth field work in Portugal

European Commission Seventh Framework Programme for Research and Technological Development | 2013

Manuel F. M Costa

Marta Isabel Bessa Marques

P. J. Machado

Mário Almeida

P. A. S. Pereira

A simulation study comparing modeling approaches in an illness-death multi-state model

Communications in Statistics: Simulation and Computation | 2013

S. Faria

DOI

Bandwidth selection for the estimation of transition probabilities in the location-scale progressive three-state model

Computational Statistics | 2013

J. Roca-Pardiñas

I. Van Keilegom

C. Cadarso-Suárez

DOI

Presmoothing the Aalen-Johansen estimator in the illness-death model

Electronic Journal of Statistics | 2013

A. Moreira

J. De Uña-Álvarez

DOI

smoothHR: An R Package for Pointwise Nonparametric Estimation of Hazard Ratio Curves of Continuous Predictors

Computational and Mathematical Methods in Medicine | 2013
DOI

Local conditions separating expansion from collapse in spherically symmetric models with anisotropic pressures

Physical Review D - Particles, Fields, Gravitation and Cosmology | 2013

J.P. Mimoso

M. Le Delliou

DOI

Review on exact and perturbative deformations of the Einstein-Straus model: Uniqueness and rigidity results

General Relativity and Gravitation | 2013

M. Mars

R. Vera

DOI

Separating expansion and collapse in general fluid models with heat flux

Physical Review D - Particles, Fields, Gravitation and Cosmology | 2013

M. Le Delliou

J.P. Mimoso

M. Fontanini

D.C. Guariento

E. Abdalla

DOI

Hyperbolicity and stability for Hamiltonian flows

Journal of Differential Equations | 2013

Mário Bessa

Jorge Rocha

DOI

Shades of hyperbolicity for Hamiltonians

Nonlinearity | 2013

Mário Bessa

Jorge Rocha

DOI

A modified fractional Zener model to describe the behaviour of a carbon fibre reinforced polymer

AIP Conference Proceedings | 2013

M.F.P. Costa

DOI

Erratum to: Innovative moments in grief therapy: The meaning reconstruction approach and the processes of selfnarrative transformation (Psychotherapy Research, (2013), 10.1080/10503307.2013.814927)

Psychotherapy Research | 2013

D. Alves

P. Fernández-Navarro

J. Baptista

E. Ribeiro

M. Gonçalves

DOI

A note on totally regular variables and Appell sequences in hypercomplex function theory

Carla Cruz

Helmuth Robert Malonek

DOI

Bandwidth selection for kernel density estimation with doubly truncated data

Computational Statistics and Data Analysis | 2013

I. Van Keilegom

DOI

An Optimal control Approach to the Irrigation Planning Problem

Conferência Brasileira de Dinâmica, Controle e Aplicações (DINCON) | 2013

S.O. Lopes

F.A.C.C. Fontes

M. Rosário de Pinho Costa

M.F.P. Pereira

G.J. Machado

Change-point analysis in environmental time series

IWSM2013-28th International Workshop on Statistical Modelling (Vol. 2) | 2013

M. Costa

L. Teixeira

A new strategy for choosing initial for the EM algorithm in poisson regression models

F. Gonçalves

Financial data modeling by Poisson mixture regression

F. Gonçalves

DOI

Hot pressing effect on the shear bond strength of dental porcelain to CoCrMoSi alloy substrates with different surface treatments

S. Faria

D. Soares

F.S. Silva

DOI

A note on Breda-Robertson’s conjecture.

Journal of Pure and Applied Mathematics: Advances and Applications | 2012

A note on spherical f-tilings by right triangles

Acta Mathematica Universitatis Comenianae | 2012

A. F. Santos

C.P. Avelino

A.F. Santos

Deformation of F-tilings versus deformation of isometric foldings

International Journal of Mathematics | 2012
DOI

Spherical and planar folding tessellations by kites and equilateral triangles

Australasian Journal of Combinatorics | 2012

Spherical f-tilings by scalene triangles and isosceles trapezoids, II

Acta Mathematica Sinica, English Series | 2012
DOI

Arbitrariness of jordan structure in factorization: The geometric multiplicity restriction and the 3 ×3 case

Asian-European Journal of Mathematics | 2012

C.R. Johnson

D. Lewis

DOI

Diphasic conductive concrete with nano materials and carbon fiber for self-sensing of strain

ECCM 2012 - Composites at Venice, Proceedings of the 15th European Conference on Composite Materials | 2012

Y. Ding

Z. Chen

H. Tian

F. Pacheco-Torgal

Further geometric restrictions on Jordan structure in matrix factorization

Asian-European Journal of Mathematics | 2012

C.R. Johnson

D. Lewis

DOI

Multistage methods for solving symmetric positive definite Toeplitz systems

Math. Numer. Sin. | 2012

On computing complex square roots of real matrices

Applied Mathematics Letters | 2012

Z. Liu

J. Santos

R. Ralha

DOI

Shear behaviour of steel fibre reinforced self-consolidating concrete beams based on the modified compression field theory

Composite Structures | 2012

Y. Ding

F. Zhang

F. Torgal

DOI

Structure-preserving schur methods for computing square roots of real skew-hamiltonian matrices

Electronic Journal of Linear Algebra | 2012

Z. Liu

R. Ralha