Papers in International Journals

• Antunes, Pedro R. S.; Freitas, Pedro (2008) A Numerical Study of the Spectral Gap Journal of Physics A-Mathematical and Theoretical: 41(5), 055201.

• Valtchev, Svilen S. ; Roberty, Nilson C. (2008) A Time-Marching MFS Scheme for Heat Conduction Problems Engineering Analysis with Boundary Elements: 32(6), 480-493.

• Estepa, A.; Estepa, R.; Pacheco, António (2008) Accurate resource estimation for generalized VoIP sources Telecommunication Systems: 39(1), 37-50.

• Sellountos, Euripides; Sequeira, Adélia (2008) An Advanced Meshless LBIE/RBF Method for Solving Two-Dimensional Incompressible Fluid Flows Computational Mechanics: 41(5), 617-631.

• Videman, J. H.; Nazarov, S.A. (2008) An Improved Nonlinear Reynolds Equation for a Thin Flow of a Viscous Incompressible Fluid Vestnik State Petersburg University: Mathematics: 41, 171-175.

• Martins, Nuno F. M.; Silvestre, Ana Leonor (2008) An Iterative MFS Approach for the Detection of Immersed Obstacles Engineering Analysis with Boundary Elements: 32(6), 517-524.

• Ferreira, Fátima; Pacheco, António (2008) Analysis of GI^X/M(n)//N systems with stochastic customer acceptance policy Queueing Systems: 58(1), 29-55.

• Nazarov, Serguei A.; Sequeira, Adélia; Specovius-Neugebauer, Maria; Videman, J. H. (2008) Artificial Boundary Conditions for Viscoelastic Flows Mathematical Methods in the Applied Sciences: 31(8), 937-958.

• Kulikov, Gennady Yu; Khrustaleva, E.Yu. (2008) Automatic step size and order control in explicit one-step extrapolation methods Computational Mathematics and Mathematical Physics: 48(8), 1313-1326.

• Kulikov, Gennady Yu; Khrustaleva, E.Yu. (2008) Automatic step size and order control in implicit one-step extrapolation methods Computational Mathematics and Mathematical Physics: 48(9), 1545-1569.

• Konyukhova, N.B.; Lima, Pedro M.; Morgado, M. Luísa; Soloviev, M.B. (2008) Bubbles and droplets in nonlinear physics models: analysis and numerical simulation of singular nonlinear boundary value problems Computational Mathematics and Mathematical Physics: 48(11), 2018-2058.

• Pacheco, António; Ribeiro, Helena (2008) Consecutive customer losses in oscillating GI^(X)/M//n systems with state dependent services rates Annals of Operations Research: 162(1), 143-158.

• Pacheco, António; Ribeiro, Helena (2008) Consecutive customer losses in regular and oscillating M^X/G/1/n systems Queueing Systems. Theory and Applications.: 58(2), 121-136.

• Matucci, Francesco (2008) Cryptanalysis of the Shpilrain-Ushakov Protocol in Thompson's Group Journal of Cryptology: 21(3), 458--468.

• Boente, Graciela; Pires, Ana M.; Rodrigues, Isabel M. (2008) Estimators for the Common Principal Components Model Based on Reweighting: Influence Functions and Monte Carlo Study Metrika: 67(2), 189-218.

• Morais, M. C. ; Okhrin, Y.; Pacheco, António; Schmid, W. (2008) EWMA charts for multivariate output: some stochastic ordering results Communications in Statistics - Theory and Methods: 37(16), 2653-2663.

• Gomes, Gracinda M. S.; Gould, Victoria (2008) Fundamental semigroups having a band of idempotents Semigroup Forum: 77, 279-299.

• Didier, G.; Pipiras, Vladas (2008) Gaussian stationary processes: adaptive wavelet decompositions, discrete approximations and their convergence Journal of Fourier Analysis and Applications: 14, 203-234.

• Ferreira, Helena; Pereira, Luísa (2008) How to compute the extremal index of stationary random fields Statistics & Probability Letters: 78(11), 1301–1304.

• Pipiras, Vladas; Taqqu, M.S. (2008) Identification of periodic and cyclic fractional stable motions Annales de L'Institute Henry Poincare: 44, 612-637.

• Pires, Ana M.; Amado, Conceição (2008) Interval Estimators for a Binomial Proportion: Comparison of Twenty Methods Revstat-Statistical Journal: 6(2), 165-197.

• Bebiano, N.; Da Providencia, J.; Nata, A.; Soares, Graça (2008) Krein Spaces Numerical Ranges and Their Computer Generation Electronic Journal of Linear Algebra: 17, 92-208.

• Lehtonen, Erkko (2008) Labeled posets are universal European J. Combin.: 29, 493-506.

• Artoli, A. M.; Sequeira, Adélia; Silva-Herdade, A. S.; Saldanha, C. (2008) Localized Hydrodynamics of Clustering Leukocytes Clinical Hemorheology and Microcirculation: 39(1-4), 375-380.

• Pacheco, António; Ribeiro, Helena (2008) Moments of the duration of busy periods of M^X/G/1/n systems Probability in the Engineering and Informational Sciences: 22(3), 347-354.

• Alves, Carlos J. S.; Cruzeiro, A. B. (2008) Monte-Carlo Simulation of Stochastic Differential Systems - a Geometrical Approach Stochastic Processes and Their Applications: 118(3), 346-367.

• Doorly, D. J. ; Taylor, D. J.; Gambaruto, A. M.; Schroter, R. C. ; Tolley, N. (2008) Nasal Architecture: Form and Flow Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences: 366(1879), 3225-4616.

• Conceição, Isabel M.; Castro, José M.; Scotto, Manuel; de Carvalho, Mamede (2008) Neurophysiological markers in familial amyloid polyneuropathy patients: early changes Clinical Neurophysiology: 119, 1082-1087.

• Borges, L.; Sequeira, Adélia (2008) Numerical simulation of a viscoelastic fluid with a preconditioned Schwarz method Banach Center Publ., Inst. Math, Polish Acad. Sc.: 81, 65-80.

• Bodnar, T.; Sequeira, Adélia (2008) Numerical Simulation of the Coagulation Dynamics of Blood Computational and Mathematical Methods in Medicine: 9(2), 83-104.

• Janela, João; Sequeira, Adélia (2008) On a constrained minimization problem arising in hemodynamics Banach Center Publ., Inst. Math, Polish Acad. Sc.: 81, 227-241.

• Hall, Andreia; Scotto, Manuel (2008) On the extremes of randomly sub-sampled time series Revstat: 6, 151-164.

• Antunes, Nelson; Jacinto, G.; Pacheco, António (2008) On the Minimum Hop Count and Connectivity in One-Dimensional ad Hoc Wireless Networks Telecommunication Systems: 39(2), 137-143.

• Monteiro, Magda; Pereira, Isabel; Scotto, Manuel (2008) Optimal alarm systems for count processes Communications in Statistics - Theory and Methods: 37, 3054-3076.

• Finamore, Anna; Fortes, José Mauro P. (2008) Protection of FS receivers from the interference produced by HEO FSS satellites in the 18GHz band: Effect of the roll-off characteristics of the HEO system satellite antenna beams International Journal of Satellite Communications and Networking: 26(3), 211–230.

• Gambaruto, A. M.; Peiró, J.; Doorly, D.J.; Radaelli, A. G. (2008) Reconstruction of Shape and its Effect on Flow in Arterial Conduits International Journal for Numerical Methods in Fluids: 57(5), 473-692.

• Alves, Carlos J. S.; Colaco, Marcelo J.; Leitao, Vitor M. A.; Martins, Nuno F. M.; Orlande, Helcio R. B.; Roberty, Nilson C. (2008) Recovering the Source Term in a Linear Diffusion Problem by the Method of Fundamental Solutions Inverse Problems in Science and Engineering: 16(8), PII 905240936.

• Bianco, Ana M.; Boente, Graciela; Pires, Ana M.; Rodrigues, Isabel M. (2008) Robust Discrimination Under a Hierarchy on the Scatter Matrices Journal of Multivariate Analysis: 99(6), 1332-1357.

• Acebron, Juan; Spigler, R. (2008) Scalability and performance analysis of a probabilistic domain decomposition method Lecture Notes in Computer Science: 4967, 1257-1264.

• Pipiras, Vladas; Taqqu, M. S. (2008) Small and large scale asymptotics of some Levy stochastic integrals Methodology and Computing in Applied Probability: 10, 299-314.

• Alves, Carlos J. S. (2008) Special Issue on Meshless Methods - Preface Engineering Analysis with Boundary Elements: 32(6), 439-439.

• Antunes, Nelson; Fricker, C. ; Robert, P.; Tibi, D. (2008) Stochastic networks with multiple stable points Annals of Probability: 36(1), 255-278.

• Diogo, Teresa; Lima, Pedro M. (2008) Superconvergence of collocation methods for a class of weakly singular Volterra integral equations Journal of Computational and Applied Mathematics: 218, 307-316.

• Ferreira, Marta; Canto e Castro, Luísa (2008) Tail and dependence behaviour of levels that persist for a fixed period of time Extremes: 11(2), 113-133.

• Martins, Ana; Ferreira, Helena; Pereira, Luisa (2008) ultidimensional outlier-proneness of dependent data and the extremal index Statistical Methodolog: 5(1), 72-82.

• Kinyon, M.; Phillips, J. D.; Vojtechovsky, P. (2008) When is the commutant of a Bol loop a subloop? Transactions of the American Mathematical Society: 360(5), 2393-2408.

• Bentz, Wolfram (2007) A Characterization of T3 Separation for a Special Class of Varieties Algebra Universalis: 56, 399 – 410.

• Kress, Rainer; Serranho, Pedro (2007) A Hybrid Method for Sound-Hard Obstacle Reconstruction Journal of Computational and Applied Mathematics: 204(2), 418-427.

• Araújo, João; Konieczny, Janusz (2007) A Method of Finding Automorphism Groups of Endomorphism Monoids of Relational Systems Discrete Mathematics: 307, 1609-1620.

• Nazarov, Sergueie A.; Videman, J. H. (2007) A Modified Nonlinear Reynolds Equation for Thin Viscous Flows in Lubrication Asymptotic Analysis: 52(1-2), 1-36.