Papers in International Journals

• Avelino, Catarina P.; Moguerza, J. M. ; Olivares, A. G.; Prieto, F. J. (2011) Combining and scaling descent and negative curvature directions Mathematical Programming: 128(1-2), 285-319.

• Grace, S.R.; Agarwal, R.P.; Pinelas, Sandra (2011) Comparison and oscillatory behavior for certain second order nonlinear dynamic equations Journal of Applied Mathematics and Computing: 35(1-2), 525-536.

• Ferreira, Helena (2011) Dependence between two multivariate extremes Statistics and Probability Letters: 81(5), 586-591.

• Santos, E.; Palma, H.; Napoles, G.; Romero, R.; Gabriel, R.; Grilo, V.; Pascoal, C. (2011) Earn Your Wings Program: Description and Efficacy of an Intensive Fear of Flying Treatment Program Aviation Psychology and Applied Human Factors: 1(2), 61-69.

• Scotto, Manuel; Barbosa, Susana M. ; Alonso, Andrés M. (2011) Extreme value and cluster analysis of European daily temperature series Journal of Applied Statistics: 38, 2793-2804.

• Helgason, Hannes; Pipiras, Vladas; Abry, Patrice (2011) Fast and Exact Synthesis of Stationary Multivariate Gaussian Time Series Using Circulant Embedding Signal Processing: 91(5), 1123-1133.

• Ford, Neville J.; Morgado, M. Luísa (2011) Fractional Boundary Value Problems: Analysis and Numerical Methods Fractional Calculus and Applied Analysis: 14(4), 554-567.

• Ferreira, Helena; Pereira, L. (2011) Generalized Logistic Models and its orthant tail dependence Kybernetica: 47(5), 732-739.

• Canto e Castro, Luisa; Dias, Sandra (2011) Generalized Pickands' Estimators for the Tail Index Parameter and Max-Semistability Extremes: 14(4), 429-449.

• Kulikov, Gennady Yu; Weiner, R. (2011) Global Error Estimation and Control in Linearly-Implicit Parallel Two-Step Peer W-Methods Journal of Computational and Applied Mathematics: 236(6), 1226-1239.

• Araújo, João; Mitchell, James D.; Schneider, Csaba (2011) Groups that together with any transformation generate regular semigroups or idempotent generated semigroups Journal of Algebra: 343(1), 93-106.

• Araújo, João; Kinyon, M. (2011) Independent axiom systems for nearlattices Czechoslovak Mathematical Journal: 61(4), 975-992.

• Geangu, Elena; Hauf, Petra; Bhardwaj, Rishi; Bentz, Wolfram (2011) Infant Pupil Diameter Changes in Response to Others' Positive and Negative Emotions PLoS One: 6, e27132.

• Branco, Mário J. J.; Gomes, Gracinda M. S.; Gould, Victoria (2011) Left adequate and left Ehresmann monoids  International Journal of Algebra and Computation: 21(7), 1259-1284.

• Gomes, Gracinda M. S.; Gould, Victoria (2011) Left adequate and left Ehresmann monoids II Journal of Algebra: 348(1), 171-195.

• Donald, S.G.; Fortuna, N.; Pipiras, Vladas (2011) Local and Global Rank Tests for Multivariate Varying-Coefficient Models Journal of Business & Economic Statistics: 29(2), 295-306.

• Canto e Castro, Luisa; Dias, Sandra; Temido, Maria da Graça (2011) Looking for Max-Semistability: a New Test for the Extreme Value Condition Journal of Statistical Planning and Inference: 141(9), 3005-3020.

• Agra, A.; Avelino, Catarina P.; Cerveira, A.; Delgado, A.; Poss, M. (2011) Lot-sizing and scheduling in a glass container manufacture company International Journal of Mathematical Modelling and Numerical Optimisation: 2(3), 253-272.

• Nogueira, A.; Salvador, P.; Valadas, Rui; Pacheco, António (2011) Markovian modelling of Internet traffic Lecture Notes in Computer Science: 5233, 98-124.

• Phu, H.X.; Pho, V.M.; An, P. T.  (2011) Maximizing strictly convex quadratic functions with bounded perturbation Journal of Optimization Theory and Applications: 149(1), 1-25.

• Kulikova, Maria (2011) Maximum likelihood estimation of linear stochastic systems in the class of sequential square-root orthogonal filtering methods Automation and Remote Control: 72(4), 766-786.

• Smith, Keith D.; Sequeira, Adélia (2011) Micro-Macro Simulations of a Shear-Thinning Viscoelastic Kinetic Model: Applications to Blood Flow Applicable Analysis: 90(1), 227-252.

• Araújo, João; Kinyon, M.; Konieczny, J. (2011) Minimal Paths in the Commuting Graphs of Semigroups  European Journal of Combinatorics: 32, 178-197.

• Davey, B. A.; Gouveia, M. J.; Haviar, M.; Priestley, H. A. (2011) Multisorted dualisability: change of base Algebra Universalis: 66(4), 331-336.

• Davey, B.; Gouveia, M. J.; Haviar, M.; Priestley, H. A. (2011) Natural extensions and profinite completions of algebras Algebra Universalis: 66(3), 205-241.

• Antunes, Pedro R. S. (2011) Numerical calculation of eigensolutions of 3D shapes using the Method of Fundamental Solutions Numerical Methods for Partial Differential Equations: 27, 1525-1550.

• Babolian, E.; Bazm, S.; Lima, Pedro M. (2011) Numerical Solution of Nonlinear Two-Dimensional Integral Equations Using Rationalized Haar Functions Communications in Nonlinear Science and Numerical Simulation: 16(3), 1164-1175.

• Araújo, João; Malheiro, António (2011) On finite complete presentations and exact decompositions of semigroups Communications in Algebra: 39, 10, 3866--3878.

• Ferreira, Marta (2011) On tail dependence: a characterization for first-order max-autoregressive processes Mathematical Notes: 90(5-6), 103–114.

• Antunes, Pedro R. S. (2011) On the buckling eigenvalue problem Journal of Physics A: Mathematical and Theoretical: 44, 215-205.

• Kulikov, Gennady Yu; Kuznetsov, E.B.; Khrustaleva, E.Yu. (2011) On the global error control in nested implicit Runge-Kutta methods of Gauss type Numerical Analysis and Applications: 14(3), 245-259.

• Kwuida, Léonard; Lehtonen, Erkko (2011) On the homomorphism order of labeled posets Order: 28, 251-265.

• Antunes, Pedro R. S.; Freitas, Pedro (2011) On the inverse spectral problem for Euclidean triangles Proceedings of the Royal Society A: 467, 1546-1562.

• Grace, S.R.; Agarwal, R.P.; Pinelas, Sandra (2011) On the Oscillation of Fourth Order Superlinear Dynamic Equations on Time Scales Dynamic Systems and Applications: 20, 45-54.

• Antunes, Pedro R. S.; Henrot, Antoine (2011) On the range of the first two Dirichlet and nontrivial Neumann eigenvalues of the Laplacian Proceedings of the Royal Society A: 467, 1577-1603.

• Bodnar, T.; Sequeira, Adélia; Prosi, M. (2011) On the Shear-Thinning and Viscoelastic Effects of Blood Flow Under Various Flow Rates Applied Mathematics and Computation: 217(11), 5055-5067.

• Grace, S. R.; Agarwal, R. P.; Pinelas, Sandra (2011) Oscillation Criteria for a Certain Fourth Order Sublinear Dynamic Equations on Time Scales Annals of Differential Equations: 3, 361-366.

• Thandapani, E.; Piramanantham, V.; Pinelas, Sandra (2011) Oscillation criteria for second order neutral delay dynamic equations with mixed nonlinearities Advances in Difference Equations: 2011, 513757.

• Grace, S.R.; Agarwal, R.P.; Bohner, M.; Pinelas, Sandra (2011) Oscillation of Some Fourth-Order Difference Equations International Journal of Difference Equations: 6(2), 105-112.

• Ferreira, Fátima; Pacheco, António; Teodoro, Filomena (2011) Performance evaluation of airport taxi services provision International Journal of Mathematical Modelling and Numerical Optimisation: 2(3), 297-312.

• Antunes, Nelson; Pipiras, Vladas (2011) Probabilistic Sampling of Finite Renewal Processes Bernoulli: 17(4), 1285-1326.

• Kulikov, Gennady Yu (2011) Proportional Extrapolation and Symmetric One-Step Methods Russian Journal of Numerical Analysis and Mathematical Modelling: 26(1), 49-73.

• André, Jorge M.; Araújo, João; Konieczny, J. (2011) Regular centralizers of idempotent transformations Semigroup Forum: 82(2), 307-318.

• Avelino, Catarina P.; Santos, Altino F. (2011) Right triangular spherical dihedral f--tilings: the (pi/2,pi/3,pi/5), (pi/2,2pi/5,pi/5) family Journal of Geometry: 102(1-2), 1-17.

• Pegas, Priscila; Alves, Célia A.; Scotto, Manuel; Evtyugina, Margarita; Pio, Casimiro A.; Freitas, Maria do Carmo (2011) Risk factors and prevalence of asthma and rhinitis among primary school children in Lisbon Portuguese Journal of Pulmonology: 17, 109-116.

• Lourenço, Vanda; Pires, Ana M.; Kirst, M. (2011) Robust Linear Regression Methods in Association Studies Bioinformatics: 27(6), 815-821.

• Couceiro, Miguel; Lehtonen, Erkko (2011) Self-commuting lattice polynomial functions on chains Aequationes mathematicae: 81(3), 263-278.

• Gambaruto, A. M.; Janela, João; Moura, Alexandra; Sequeira, Adélia (2011) Sensitivity of Hemodynamics in a Patient Specific Cerebral Aneurysm to Vascular Geometry and Blood Rheology Mathematical Biosciences and Engineering: 8(2), 409-423.

• Bodnar, T.; Rajagopal, K. R.; Sequeira, Adélia (2011) Simulation of the Three-Dimensional Flow of Blood Using a Shear-Thinning Viscoelastic Fluid Model Mathematical Modelling of Natural Phenomena: 6(5), 1-24.

• Avelino, Catarina P.; Santos, Altino F.  (2011) Spherical f-tilings by (equilateral and isosceles) triangles and isosceles trapezoids Annals of Combinatorics: 15(4), 565-596.