Papers in International Journals

• Diogo, Teresa; Ford, N.J; Lima, Pedro M.; Thomas, S. (2007) Solution of a singular integral equation by a split- interval method  International Journal of Numerical Analysis and Modeling: (167)4, 63-73.

• Galdi, Giovanni P.; Silvestre, Ana Leonor (2007) The steady motion of a Navier-Stokes liquid around a rigid body Arch. Rational Mech. Anal.: 3, 371-400.

• Ferreira, Fátima; Pacheco, António (2006) Analysis of GI/M/s/c queues using uniformization Computers & Mathematics with Applications: 51(2), 291-304.

• Lima, Pedro M.; Morgado, M. Luísa (2006) Analysis of Singular Boundary Value Problems for an Emden-Fowler Equation Communications on Pure and Applied Analysis: 5(2), 321-336.

• Morais, M. C. ; Pacheco, António (2006) Assessing the impact of head starts in the performance of one-sided Markov-type control schemes Sequential Analysis-Design Methods and Applications: 25(4), 405-420.

• Morais, M. C. ; Pacheco, António (2006) Combined CUSUM-Shewhart schemes for binomial data Economic Quality Control: 21(1), 43-57.

• Galdi, G. P.; Silvestre, Ana Leonor (2006) Existence of time-periodic solutions to the Navier-Stokes equations around a moving body Pacific J. Math.: 223, 2251-267.

• Hall, Andreia; Scotto, Manuel (2006) Extremes of periodic integer-valued sequences with exponential type tails Revstat: 4, 249-273.

• Fountain, John B.; Gomes, Gracinda M. S. (2006) Finite abundant semigroups in which the idempotents form a subsemigroup Journal of Algebra: 295, 303-313.

• Boente, Graciela; Pires, Ana M.; Rodrigues, Isabel M. (2006) General projection--pursuit estimators for common principal components model: Influence functions and Monte Carlo study. Journal of Multivariate Analysis: 97, 124-147.

• Diogo, Teresa; Lima, Pedro M.; Ford, Neville J.; Valtchev, Svilen S.  (2006) Numerical Methods for a Volterra Integral Equation with Non-smooth Solutions Journal of Computational and Applied Mathematics: 189(1-2), 412–423.

• Diogo, Teresa; Lima, Pedro M.; Rebelo, M (2006) Numerical Solution of a Nonlinear Abel Type Volterra Integral Equation Communications on Pure and Applied Analysis: 5(2), 277-288.

• Pereira, Isabel; Scotto, Manuel (2006) On the non-negative first-order exponential bilinear time series model Statistics & Probability Letters: 76, 931-938.

• Morais, M. C. ; Okhrin, Y.; Pacheco, António; Schmid, W. (2006) On the stochastic behaviour of the run length of EWMA control schemes for the mean of correlated output in the presence of shifts in sigma Statistics & Decisions: 24, 1001-1018.

• Gomes, Gracinda M. S.; Pin, J.-E.; Sezinando, Helena (2006) Presentations of the Schützenberger product of n groups Communications in Algebra: 34 (4), 1213-1235.

• Fountain, J.B.; Gomes, Gracinda M. S. (2006) Proper covers of ample monoids Proc. Edinb. Math. Soc.: 49, 277-289.

• Kulikova, Maria; Semoushin, I. V. (2006) Score Evaluation Within the Extended Square-Root Information Filter Lecture Notes in Computer Science: 3991, 473-481.

• Gomes, Gracinda M. S. (2006) The generalized prefix expansion of a weakly left ample semigroup Semigroup Forum: 72 (3), 387-403.

• Branco, Mário J. J. (2006) Two algebraic approaches to variants of the concatenation product Theoret. Comput. Sci.: 369, 406-426.

• Diogo, Teresa; Edwards, J T; Ford, NJ; Thomas,S M (2005)  Numerical analysis of a singular equation Applied Mathematics and Computaion: 167, 372-382.

• Robertson, AM; Sequeira, Adélia (2005) A Director Theory Approach for Modeling Blood Flow in the Arterial System: An Alternative to Classical 1D Models Mathematical Models & Methods in Applied Sciences: 15(6), 871-906.

• Fernandes, Vítor Hugo; Gomes, Gracinda M. S.; Jesus, Manuel M. (2005) Congruences on monoids of order-preserving or order-reversing transformations on a finite chain Glasgow Mathematical Journal: 47, 413-424.

• Arada, N. ; Sequeira, Adélia (2005) Existence results for steady flows of quasi-Newtonian fluids using weak monotonicity J. Math. Fluid Mech.: 7, sup 2, 273-288.

• Scotto, Manuel (2005) Extremes of a class of deterministic sub-sampled processes with applications to stochastic difference equations Stochastic Processes and their Applications: 115, 417-434.

• Scotto, Manuel; Turkman, Kamil F. (2005) Extremes of Volterra series expansions with heavy-tailed innovations Nonlinear Analysis: Theory, Methods & Applications: 63, 106-122.

• Antunes, Nelson; Nunes, Cláudia; Pacheco, António (2005) Functionals of Markovian Branching D-Bmaps Stochastic Models: 21(2-3), 261-278.

• Ferreira, Fátima; Pacheco, António (2005) Level crossing ordering of semi-Markov processes and Markov chains Journal of Applied Probability: 42(4), 989-1002.

• Ferreira, Fátima; Pacheco, António (2005) Level crossing ordering of skip-free to the right continuous time Markov chains. Journal of Applied Probability: 42(1), 52-60.

• Alves, Carlos J. S.; Valtchev, Svilen S.  (2005) Numerical Comparison of Two Meshfree Methods for Acoustic Wave Scattering Engineering Analysis with Boundary Elements: 29(4), 371-382.

• Arada, N.; Pires, Marília; Sequeira, Adélia (2005) Numerical simulations of shear-thinning Oldroyd-B fluids in curved pipes IASME Transactions: 6(2), 948-959.

• Santos-Pereira, Carla ; Pires, Ana M. (2005) On optimal reject rules and ROC curves Pattern Recognition Letters: 26(7), 943-952.

• Kulikova, Maria; Semoushin, I.V. (2005) On the Evaluation of Log Likelihood Gradient for Gaussian Signals International Journal of Applied Mathematics and Statistics: 3(5), 1–14.

• Tobías, Aurelio; Scotto, Manuel (2005) Prediction of extreme ozone levels in Barcelona, Spain Environmental Monitoring & Assessment: 100, 23-32.

• Fernandes, Vítor Hugo; Gomes, Gracinda M. S.; Jesus, Manuel M. (2005) Presentations for some monoids of partial transformations on a finite chain Communications in Algebra: 33, 587-604.

• Gomes, Gracinda M. S. (2005) Proper extensions of weakly left ample semigroups Acta Math Hungarica: 109 (1-2), 33-51.

• de Carvalho, Mamede; Scotto, Manuel; Lopes, Arminda; Swash, Michael (2005) Quantitating progression in ALS Neurology: 64, 1783-178.

• Branco, João A.; Croux, C.; Oliveira, M. Rosário (2005) Robust canonical correlations: a comparative study Computation and Statistics: 20 (2).

• Arada, N. ; Sequeira, Adélia (2005) Steady flows of Oldroyd-B fluids with shear-dependent viscosity around an obstacle J. Math. Fluid Mech.: 7 (3), 1-33.

• Galdi, G.P.; Silvestre, Ana Leonor (2005) Strong solutions to the Navier-Stokes equations around a rotating obstacle Arch. Rational Mech. Anal.: 176(3), 331-350.

• Marques, C. M.; Carocha, V. J.; De Sa, A. R. Pereira; Oliveira, M. Rosário; Pires, Ana M.; Sederoff, R.; Borralho, N. M. G. (2005) Verification of Qtl Linked Markers for Propagation Traits in Eucalyptus Tree Genetics & Genomes: 1(3), 103-108.

• Amado, Conceição; Pires, Ana M. (2004)  Robust bootstrap with non-random weights based on the influence function Communications in Statistics, Simulation and Computation: 33, 2, 377-396.

• Morais, M. C. ; Pacheco, António (2004) A note on the ageing character of the run length of Markov-type quality control schemes Journal of Applied Probability: 41(4), 1243-1247.

• Auinger, K.; Gomes, Gracinda M. S.; Gould, V.; Steinberg, B. (2004) An application of a theorem of Ash to finite proper cover Studia Logica: 78, 45-57.

• Guedes Soares, Carlos; Scotto, Manuel (2004) Application of the r-largest order statistics for long-term predictions of significant wave height Coastal Engineering: 51, 387-394.

• Draisma, Gerrit; Drees, Holger; Ferreira, Ana; de Haan, Laurens (2004) Bivariate tail estimation: dependence in asymptotic independence Bernoulli: 10, 251-280.

• Alves, Carlos J. S.; Silvestre, Ana Leonor (2004) Density Results Using Stokeslets and a Method of Fundamental Solutions for the Stokes Equations Engineering Analysis with Boundary Elements: 28(10), 1245-1252.

• Santa-Clara, Catarina; Smith, Patrick F. (2004) Direct Products of Simple Modules Over Dedekind Domains Archiv der Mathematik: 82, 8-12.

• Cannas da Silva, J.; Schauberger, G.; Oliveira, M. Rosário; Segão, S.; Kumper, H.; Baumgartne, W. (2004) Does the weather influence the occurrence of abomasal displacement in dairy cows? Deutsche Tierärztliche Wochenschrift: 111 (2), 51-57.

• Diogo, Teresa; Franco, NB; Lima, Pedro M. (2004) High order product integration methods for a Volterra integral equation with logarithmic singular kernel  Communications on Pure and Applied Analysis: 3, 217--235.

• Drees, Holger; Ferreira, Ana; de Haan, Laurens (2004) On maximum likelihood estimation of the extreme value index Annals of Applied Probability: 14, 1179-1201.