Investigação

Visite também a página do Centro de Matemática e Aplicações da Universidade da Beira Interior (CMA-UBI).

Artigos publicados por docentes do Departamento de Matemática da UBI

2014

[1] A. J. G. Bento, C. M. Silva, Nonuniform dichotomic behavior: Lipschitz invariant manifolds for ODEs, Bull. Sci. Math. 138 (1) (2014) 89–109. DOI

[2] A. Bernardino, R. Pacheco, M. Silva, The gap structure of a family of integer subsets, Electron. J. Combin. 21 (1) (2014) Paper 1.47, 8. DOI

[3] M. Bessa, M. Lee, S. Vaz, Stable weakly shadowable volume-preserving systems are volume-hyperbolic, Acta Math. Sin. (Engl. Ser.) 30 (6) (2014) 1007–1020. DOI

[4] M. Bessa, J. Lopes Dias, Hamiltonian suspension of perturbed Poincaré sections and an application, Math. Proc. Cambridge Philos. Soc. 157 (1) (2014) 101–112. DOI

[5] M. Bessa, S. Vaz, Stable weak shadowable symplectomorphisms are partially hyperbolic, Commun. Korean Math. Soc. 29 (2) (2014) 285–293. DOI

[6] M. Bessa, H. Vilarinho, Fine properties of Lp-cocycles which allow abundance of simple and trivial spectrum, J. Differential Equations 256 (7) (2014) 2337–2367. DOI

[7] A. Branquinho, M. N. Rebocho, Deformed Laguerre-Hahn orthogonal polynomials on the real line, Appl. Math. Comput. 233 (2014) 359–368. DOI

[8] A. Breda d’Azevedo, I. I. Rodrigues, Bicontactual regular hypermaps, SIAM J. Discrete Math. 28 (1) (2014) 142–159. DOI

[9] N. Correia, R. Pacheco, Extended solutions of the harmonic map equation in the special unitary group, Q. J. Math. 65 (2) (2014) 637–654. DOI

[10] J. C. M. Duque, R. M. P. Almeida, S. N. Antontsev, Numerical study of the porous medium equation with absorption, variable exponents of nonlinearity and free boundary, Appl. Math. Comput. 235 (2014) 137–147. DOI

[11] R. Fernandes, H. F. da Cruz, On the term rank partition, Linear Algebra Appl. 458 (2014) 134–148. DOI

[12] R. Fernandes, H. F. da Cruz, Sets of Parter vertices which are Parter sets, Linear Algebra Appl. 448 (2014) 37–54. DOI

[13] M. E. Ferrão, School effectiveness research findings in the portuguese speaking countries: Brazil and portugal, Educational Research for Policy and Practice 13 (1) (2014) 3–24. DOI

[14] M. E. Ferrão, A. P. Couto, The use of a school value-added model for educational improvement: a case study from the portuguese primary education system, School Effectiveness and School Improvement 25 (1) (2014) 174–190. DOI

[15] M. E. Ferrão, H. Goldstein, Adjusting for differential misclassification in multilevel models: The relationship between child exposure to smoke and cognitive development, Quality and Quantity 48 (1) (2014) 251–258. DOI

[16] H. Ferreira, Bivariate tail dependence and the generation of multivariate extreme value distributions, Comm. Statist. Theory Methods 43 (24) (2014) 5318–5325. DOI

[17] H. Ferreira, M. Ferreira, Extremal behavior of pMAX processes, Statist. Probab. Lett. 93 (2014) 46–57. DOI

[18] C. Fonseca, H. Ferreira, L. Pereira, A. P. Martins, Stability and contagion measures for spatial extreme value analyzes, Kybernetika (Prague) 50 (6) (2014) 914–928. DOI

[19] A. P. Martins, H. Ferreira, Extremal properties of M4 processes, TEST 23 (2) (2014) 388–408. DOI

[20] J. P. Mateus, C. M. Silva, A non-autonomous SEIRS model with general incidence rate, Appl. Math. Comput. 247 (2014) 169–189. DOI

[21] D. I. C. Mendes, A note on weak regularity in general rings, Beitr. Algebra Geom. 55 (2) (2014) 365–369. DOI

[22] C. Miguel, Menon’s identity in residually finite Dedekind domains, J. Number Theory 137 (2014) 179–185. DOI

[23] C. Nunes, D. Ferreira, S. S. Ferreira, J. T. Mexia, Fixed effects ANOVA: an extension to samples with random size, J. Stat. Comput. Simul. 84 (11) (2014) 2316–2328. DOI

[24] R. J. Robalo, R. M. P. Almeida, M. d. C. Coimbra, J. Ferreira, A reaction-diffusion model for a class of nonlinear parabolic equations with moving boundaries: existence, uniqueness, exponential decay and simulation, Appl. Math. Model. 38 (23) (2014) 5609–5622. DOI

[25] H. Rocha, D. Marinho, S. Ferreira, A. Costa, Management and teaching methodology of swimming lessons in the portuguese primary schools [organizao e metodologia de ensino da natao no 1 ciclo do ensino bsico em portugal], Motricidade 10 (2) (2014) 45–59. DOI

[26] H. Saberi Nik, P. Rebelo, Multistage spectral relaxation method for solving the hyperchaotic complex systems, Scientific World Journal 2014, article ID 943293, 10 pages. DOI

[27] C. M. Silva, A nonautonomous epidemic model with general incidence and isolation, Math. Methods Appl. Sci. 37 (13) (2014) 1974–1991. DOI

[28] A. Simões, Fredholm characterization for a wave diffraction problem with higher order boundary conditions: Impedance case, WSEAS Transactions on Mathematics 13 (2014) 535–546. DOI

[29] C. Viseu, L. Pereira, A. P. Martins, H. Ferreira, On the multivariate upcrossings index, Comm. Statist. Theory Methods 43 (6) (2014) 1277–1292. DOI

____________________________________________________________________

2013

[1]   J. C. Aleixo, P. Rocha, Reconstructibility of time-invariant and periodic behavioural systems, Internat. J. Control 86 (1) (2013) 84–94. DOI

[2]   J. F. Alves, H. Vilarinho, Strong stochastic stability for non-uniformly expanding maps, Ergodic Theory Dynam. Systems 33 (3) (2013) 647–692. DOI

[3]   M. Antónia Duffner, H. F. da Cruz, A relation between the determinant and the permanent on singular matrices, Linear Algebra Appl. 438 (9) (2013) 3654–3660. DOI

[4]   A. J. G. Bento, C. M. Silva, Generalized Nonuniform Dichotomies and Local Stable Manifolds, J. Dynam. Differential Equations 25 (4) (2013) 1139–1158. DOI

[5]   M. Bessa, C1-stably shadowable conservative diffeomorphisms are Anosov, Bull. Korean Math. Soc. 50 (5) (2013) 1495–1499. DOI

[6]   M. Bessa, On C1-generic chaotic systems in three-manifolds, Qual. Theory Dyn. Syst. 12 (2) (2013) 323–334. DOI

[7]   M. Bessa, M. Carvalho, Non-uniform hyperbolicity for infinite dimensional cocycles, Stoch. Dyn. 13 (3) (2013) 1250026, 17. DOI

[8]   M. Bessa, J. Rocha, Contributions to the geometric and ergodic theory of conservative flows, Ergodic Theory Dynam. Systems 33 (6) (2013) 1709–1731. DOI

[9]   M. Bessa, J. Rocha, M. J. Torres, Hyperbolicity and stability for Hamiltonian flows, J. Differential Equations 254 (1) (2013) 309–322. DOI

[10]   M. Bessa, J. Rocha, M. J. Torres, Shades of hyperbolicity for Hamiltonians, Nonlinearity 26 (10) (2013) 2851–2873. DOI

[11]   A. Branquinho, A. Paiva, M. N. Rebocho, Sylvester equations for Laguerre-Hahn orthogonal polynomials on the real line, Appl. Math. Comput. 219 (17) (2013) 9118–9131. DOI

[12]   I. Brás, A. C. Carapito, P. Rocha, A note on simultaneous block diagonally stable matrices, Electron. J. Linear Algebra 26 (2013) 90–100.

[13]   I. Brás, A. C. Carapito, P. Rocha, Stability of switched systems with partial state reset, IEEE Trans. Automat. Control 58 (4) (2013) 1008–1012. DOI

[14]   E. Castro, Defending the indispensability argument: Atoms, infinity and the continuum, Journal for General Philosophy of Science 44 (1) (2013) 41–61. DOI

[15]   J. C. M. Duque, R. M. P. Almeida, S. N. Antontsev, Convergence of the Finite Element Method for the Porous Media Equation with Variable Exponent, SIAM J. Numer. Anal. 51 (6) (2013) 3483–3504. DOI

[16]   R. Fernandes, H. F. da Cruz, An extension of Brualdi’s algorithm for the construction of (0,1)-matrices with prescribed row and column sum vectors, Discrete Math. 313 (20) (2013) 2365–2379. DOI

[17]   M. Ferrão, A. Couto, Indicador de valor acrescentado e tópicos sobre consistência e estabilidade: Uma aplicação ao brasil, ENSAIO: Aval. Pol. Públ. Educ. 21 (78) (2013) 131–164. DOI

[18]   M. Ferrão, R. Klein, Métodos estatísticos na nova era da avaliação educacional – editorial, ENSAIO: Aval. Pol. Públ. Educ. 21 (78) (2013) 7–9. DOI

[19]   M. Ferreira, H. Ferreira, Extremes of multivariate ARMAX processes, TEST 22 (4) (2013) 606–627. DOI

[20]   S. S. Ferreira, D. Ferreira, C. Nunes, J. T. Mexia, Estimation of variance components in linear mixed models with commutative orthogonal block structure, Revista Colombiana de Estadística 36 (2013) 261–271.

[21]   C. Miguel, Balanced zero-divisor graphs of matrix rings, Lobachevskii J. Math. 34 (2) (2013) 137–141. DOI

[22]   C. Miguel, A note on a conjecture about commuting graphs, Linear Algebra Appl. 438 (12) (2013) 4750–4756. DOI

[23]   S. Moosarreza, H. Nik, P. Rebelo, Solution of infinite horizon nonlinear optimal control problems by piecewise adomian decomposition method, Math. Model. Anal. 18 (4) (2013) 543–560. DOI

[24]   C. Nunes, M. M. Oliveira, J. T. Mexia, Application domains for the delta method, Statistics 47 (2) (2013) 317–328. DOI

[25]   R. Pacheco, Immersed surfaces in Lie algebras associated to primitive harmonic maps, Geom. Dedicata 163 (2013) 379–390. DOI

[26]   R. Pacheco, Index and nullity of a family of harmonic tori in the sphere, Adv. Geom. 13 (3) (2013) 381–388. DOI

[27]   R. Pacheco, H. Vilarinho, Metrics on tiling spaces, local isomorphism and an application of Brown’s lemma, Monatsh. Math. 170 (2) (2013) 205–225. DOI

[28]   R. Pacheco, H. Vilarinho, Statistical stability for multi-substitution tiling spaces, Discrete Contin. Dyn. Syst. 33 (10) (2013) 4579–4594. DOI

[29]    E. Pereira, C. M. Silva, J. A. L. da Silva, A generalized nonautonomous SIRVS model, Math. Methods Appl. Sci. 36 (3) (2013) 275–289. DOI

[30]   L. Pereira, Asymptotic location of largest values of a stationary random field, Comm. Statist. Theory Methods 42 (24) (2013) 4513–4524. DOI

[31]   J. R. Sebastião, A. P. Martins, H. Ferreira, L. Pereira, Estimating the upcrossings index, TEST 22 (4) (2013) 549–579. DOI

____________________________________________________________________

2012

[1]   A. J. G. Bento, C. M. Silva, Nonuniform (μ,ν)-dichotomies and local dynamics of difference equations, Nonlinear Anal. 75 (1) (2012) 78–90. DOI

[2]   A. J. G. Bento, C. M. Silva, Stable manifolds for non-autonomous equations with non-uniform polynomial dichotomies, Q. J. Math. 63 (2) (2012) 275–308. DOI

[3]   M. Bessa, Perturbations of Mathieu equations with parametric excitation of large period, Adv. Dyn. Syst. Appl. 7 (1) (2012) 17–30.

[4]   M. Bessa, M. Carvalho, Imperfect friezes of integers, Bol. Soc. Port. Mat. 67 (2012) 201–208.

[5]   M. Bessa, J. Rocha, A remark on the topological stability of symplectomorphisms, Appl. Math. Lett. 25 (2) (2012) 163–165. DOI

[6]   M. Bessa, C. M. Silva, Dense area-preserving homeomorphisms have zero Lyapunov exponents, Discrete Contin. Dyn. Syst. 32 (4) (2012) 1231–1244. DOI

[7]   A. Branquinho, M. N. Rebocho, On the semi-classical character of orthogonal polynomials satisfying structure relations, J. Difference Equ. Appl. 18 (1) (2012) 111–138. DOI

[8]   A. Branquinho, M. N. Rebocho, Structure relations for orthogonal polynomials on the unit circle, Linear Algebra Appl. 436 (11) (2012) 4296–4310. DOI

[9]   C. P. Brás, M. Fukushima, J. J. Júdice, S. S. Rosa, Variational inequality formulation of the asymmetric eigenvalue complementarity problem and its solution by means of gap functions, Pac. J. Optim. 8 (2) (2012) 197–215.

[10]   L. P. Castro, S. Saitoh, Y. Sawano, A. M. Simões, General inhomogeneous discrete linear partial differential equations with constant coefficients on the whole spaces, Complex Anal. Oper. Theory 6 (1) (2012) 307–324. DOI

[11]   N. Correia, R. Pacheco, Harmonic maps of finite uniton number into G2, Math. Z. 271 (1-2) (2012) 13–32. DOI

[12]   H. F. da Cruz, R. Fernandes, On pairs of matrices that satisfy certain polynomial identities, Linear Algebra Appl. 436 (6) (2012) 1589–1605. DOI

[13]   R. Fernandes, H. F. da Cruz, The multilinear algebra of José Dias da Silva and the Portuguese school of mathematics, Linear Algebra Appl. 436 (6) (2012) 1545–1561. DOI

[14]   D. Ferreira, S. S. Ferreira, C. Nunes, L. Ramos, J. T. Mexia, Approximate normality of low degree polynomials in normal independent variables, Far East J. Math. Sci. (FJMS) 68 (2) (2012) 287–296.

[15]   H. Ferreira, Multivariate maxima of moving multivariate maxima, Statist. Probab. Lett. 82 (8) (2012) 1489–1496. DOI

[16]   H. Ferreira, M. Ferreira, Fragility index of block tailed vectors, J. Statist. Plann. Inference 142 (7) (2012) 1837–1848. DOI

[17]   H. Ferreira, M. Ferreira, On extremal dependence of block vectors, Kybernetika (Prague) 48 (5) (2012) 988–1006.

[18]   H. Ferreira, M. Ferreira, Tail dependence between order statistics, J. Multivariate Anal. 105 (2012) 176–192. DOI

[19]   H. Ferreira, L. Pereira, Point processes of exceedances by random fields, J. Statist. Plann. Inference 142 (3) (2012) 773–779. DOI

[20]   M. Ferreira, H. Ferreira, On extremal dependence: some contributions, TEST 21 (3) (2012) 566–583. DOI

[21]   S. S. Ferreira, D. Ferreira, C. Nunes, J. T. Mexia, Estimation and crossing for models with commutative orthogonal block structure, Adv. Appl. Stat. Sci. 7 (2) (2012) 23–34.

[22]   D. I. C. Mendes, On completely *-prime *-ideals in involution rings, Math. Pannon. 23 (2) (2012) 299–310.

[23]   C. Nunes, D. Ferreira, S. S. Ferreira, J. T. Mexia, Control of the truncation errors for generalized F distributions, J. Stat. Comput. Simul. 82 (2) (2012) 165–171. DOI

[24]   C. Nunes, D. Ferreira, S. S. Ferreira, J. T. Mexia, F-tests with a rare pathology, J. Appl. Stat. 39 (3) (2012) 551–561. DOI

[25]   C. Nunes, D. Ferreira, S. S. Ferreira, J. T. Mexia, Generalized F distributions with random non-centrality parameters: convolution of gamma and beta variables, Far East J. Math. Sci. (FJMS) 62 (1) (2012) 1–14.

[26]   P. J. Rebelo, An approximate solution to an initial boundary value problem: Rakib-Sivashinsky equation, Int. J. Comput. Math. 89 (7) (2012) 881–889. DOI

____________________________________________________________________

2011

[1]   P. D. Beites, A. P. Nicolás, A. P. Pozhidaev, P. Saraiva, On identities of a ternary quaternion algebra, Comm. Algebra 39 (3) (2011) 830–842. DOI

[2]   M. Bessa, J. Rocha, Denseness of ergodicity for a class of volume-preserving flows, Port. Math. 68 (1) (2011) 1–17. DOI

[3]   M. Bessa, J. Rocha, Topological stability for conservative systems, J. Differential Equations 250 (10) (2011) 3960–3966. DOI

[4]   M. Bessa, P. Varandas, On the entropy of conservative flows, Qual. Theory Dyn. Syst. 10 (1) (2011) 11–22. DOI

[5]   A. Branquinho, M. N. Rebocho, Difference and differential equations for deformed Laguerre-Hahn orthogonal polynomials on the unit circle, J. Phys. A 44 (46) (2011) 465204, 12. DOI

[6]   A. Breda d’Azevedo, I. I. Rodrigues, M. E. Fernandes, On chirality groups and regular coverings of regular oriented hypermaps, Czechoslovak Math. J. 61(136) (4) (2011) 1037–1047. DOI

[7]   N. Correia, R. Pacheco, Singular dressing actions on harmonic maps, Q. J. Math. 62 (1) (2011) 71–85. DOI

[8]   H. Ferreira, Dependence between two multivariate extremes, Statist. Probab. Lett. 81 (5) (2011) 586–591. DOI

[9]   H. Ferreira, L. Pereira, Generalized logistic model and its orthant tail dependence, Kybernetika (Prague) 47 (5) (2011) 732–739.

[10]   S. S. Ferreira, D. Ferreira, C. Nunes, J. T. Mexia, Discriminant analysis and decision theory, Far East J. Math. Sci. (FJMS) 51 (1) (2011) 69–79.

[11]   L. Gouveia, P. Patrício, A. de Sousa, Models for optimal survivable routing with a minimum number of hops: comparing disaggregated with aggregated models, Int. Trans. Oper. Res. 18 (3) (2011) 335–358. DOI

[12]   C. Miguel, A matricial perpective of Wedderburn’s little theorem, Int. J. Algebra 5 (25-28) (2011) 1305–1311.

[13]   C. J. Miguel, R. Serôdio, On the structure of quaternion rings over ℤp, Int. J. Algebra 5 (25-28) (2011) 1313–1325.

[14]   R. Pacheco, F. Pinheiro, R. Portugal, A note on the geometry of three circles, Creat. Math. Inform. 20 (1) (2011) 74–80.

[15]   P. Rebelo, An approximate solution to an initial boundary value problem to the one-dimensional Kuramoto-Sivashinsky equation, Int. J. Numer. Methods Biomed. Eng. 27 (6) (2011) 874–881. DOI

[16]   M. Rostami, I. I. Rodrigues, An observation on Krull and derived dimensions of some topological lattices, Arch. Math. (Brno) 47 (4) (2011) 329–334.

____________________________________________________________________

2010

[1]   A. Branquinho, M. N. Rebocho, Matrix Sylvester equations in the theory of orthogonal polynomials on the unit circle, Bull. Belg. Math. Soc. Simon Stevin 17 (2) (2010) 355–376. DOI

[2]   C. Costa, M. A. Facas Vicente, P. Beites, F. Martins, R. Serôdio, P. Tadeu, Vector product in ℝ7: projection of a point onto a line, Bol. Soc. Port. Mat. (62) (2010) 19–35.

[3]   R. Fernandes, H. F. da Cruz, On the matrices that preserve the value of the immanant of the upper triangular matrices, Oper. Matrices 4 (1) (2010) 77–101. DOI

[4]   R. Fernandes, H. F. da Cruz, Pairs of matrices that preserve the value of a generalized matrix function on the set of the upper triangular matrices, Linear Algebra Appl. 433 (7) (2010) 1336–1347. DOI

[5]   R. Fernandes, H. F. da Cruz, F. Rodrigues, Decomposable λ-critical tensors, Linear Algebra Appl. 433 (1) (2010) 297–317. DOI

[6]   M. E. Ferrão, P. Costa, J. M. R. Gama, Distribution-free item response model based on marginal maximum likelihood estimation, Adv. Appl. Stat. 18 (2) (2010) 109–126.

[7]   S. Ferreira, D. Ferreira, E. Moreira, J. T. Mexia, Exact estimators for normal linear mixed models, Far East J. Theor. Stat. 31 (1) (2010) 33–48.

[8]   S. S. Ferreira, D. Ferreira, C. Nunes, J. T. Mexia, Nesting segregated mixed models, J. Stat. Theory Pract. 4 (2) (2010) 233–242. DOI

[9]   D. I. C. Mendes, On involution rings with unique minimal *-subring, Beiträge Algebra Geom. 51 (1) (2010) 137–146.

[10]   R. Pacheco, Bianchi-Bäcklund transforms and dressing actions, revisited, Geom. Dedicata 146 (2010) 85–99. DOI

[11]   L. Pereira, On the extremal behavior of a nonstationary normal random field, J. Statist. Plann. Inference 140 (11) (2010) 3567–3576. DOI

[12]   P. Rebelo, On the approximate solution to an initial boundary value problem for the Cahn-Hilliard equation, Commun. Nonlinear Sci. Numer. Simul. 15 (2) (2010) 225–231. DOI

[13] M. Rostami, A symmetry extension of Steinitz’s lemma on polyhedra, JP J. Geom. Topol. 10 (3) (2010) 183–189.

[14]   J. R. Sebastião, A. P. Martins, L. Pereira, H. Ferreira, Clustering of upcrossings of high values, J. Statist. Plann. Inference 140 (4) (2010) 1003–1012. DOI

[15]   R. Serôdio, Construction of octonionic polynomials, Adv. Appl. Clifford Algebr. 20 (1) (2010) 155–178. DOI

____________________________________________________________________

2009

[1]   L. Barreira, C. Silva, C. Valls, Nonuniform behavior and robustness, J. Differential Equations 246 (9) (2009) 3579–3608. DOI

[2]   A. J. G. Bento, C. Silva, Stable manifolds for nonuniform polynomial dichotomies, J. Funct. Anal. 257 (1) (2009) 122–148. DOI

[3]   A. Branquinho, M. N. Rebocho, Distributional equation for Laguerre-Hahn functionals on the unit circle, J. Comput. Appl. Math. 233 (3) (2009) 634–642. DOI

[4]   A. Branquinho, M. N. Rebocho, On differential equations for orthogonal polynomials on the unit circle, J. Math. Anal. Appl. 356 (1) (2009) 242–256. DOI

[5]   N. Correia, R. Pacheco, Adding a uniton via the DPW method, Internat. J. Math. 20 (8) (2009) 997–1010. DOI

[6]   M. Dajczer, P. Morais, Isometric rigidity in codimension 2, Michigan Math. J. 58 (3) (2009) 759–770. DOI

[7]   S. S. Ferreira, D. Ferreira, E. Moreira, J. T. Mexia, Inference for L orthogonal models, J. Interdiscip. Math. 12 (6) (2009) 815–824. DOI

[8]   J. J. Júdice, H. D. Sherali, I. M. Ribeiro, S. S. Rosa, On the asymmetric eigenvalue complementarity problem, Optim. Methods Softw. 24 (4-5) (2009) 549–568. DOI

[9]   D. I. C. Mendes, Minimal *-biideals of involution rings, Acta Sci. Math. (Szeged) 75 (3-4) (2009) 487–491.

[10]   D. I. C. Mendes, A note on involution rings, Miskolc Math. Notes 10 (2) (2009) 155–162.

[11]   C. M. P. Nunes, S. M. B. S. Ferreira, D. J. d. C. Ferreira, Generalized F tests in models with random perturbations: the gamma case, Discuss. Math. Probab. Stat. 29 (2) (2009) 185–197.

[12]   R. Pacheco, On harmonic tori in compact rank one symmetric spaces, Differential Geom. Appl. 27 (3) (2009) 352–361. DOI

[13]   L. Pereira, The asymptotic location of the maximum of a stationary random field, Statist. Probab. Lett. 79 (20) (2009) 2166–2169. DOI

[14] M. Rostami, On dimensions of spectral spaces of finite lattices, Int. Math. Forum 4 (41-44) (2009) 2059–2063.

____________________________________________________________________

2008

[1]   L. Barreira, C. Silva, C. Valls, Integral stable manifolds in Banach spaces, J. Lond. Math. Soc. (2) 77 (2) (2008) 443–464. DOI

[2]   L. Barreira, C. Silva, C. Valls, Regularity of invariant manifolds for nonuniformly hyperbolic dynamics, J. Dynam. Differential Equations 20 (2) (2008) 281–299. DOI

[3]   P. D. Beites, A. P. Pozhidaev, On simple Filippov superalgebras of type A(n,n), Asian-Eur. J. Math. 1 (4) (2008) 469–487. DOI

[4]   A. Branquinho, A. Foulquié Moreno, F. Marcellán, M. N. Rebocho, Coherent pairs of linear functionals on the unit circle, J. Approx. Theory 153 (1) (2008) 122–137. DOI

[5]   A. Branquinho, M. N. Rebocho, Characterizations of Laguerre-Hahn affine orthogonal polynomials on the unit circle, J. Comput. Anal. Appl. 10 (2) (2008) 229–242.

[6]   M. Dajczer, P. Morais, Parabolic submanifolds of rank two, Mat. Contemp. 34 (2008) 195–232.

[7]   H. Ferreira, L. Pereira, How to compute the extremal index of stationary random fields, Statist. Probab. Lett. 78 (11) (2008) 1301–1304. DOI

[8]   S. S. Ferreira, D. Ferreira, J. T. Mexia, Double tier cross nesting design models, J. Interdiscip. Math. 11 (2) (2008) 275–289. DOI

[9]   L. Gouveia, P. Patrício, A. de Sousa, Hop-constrained node survivable network design: an application to MPLS over WDM, Netw. Spat. Econ. 8 (1) (2008) 3–21. DOI

[10]   J. Júdice, M. Raydan, S. S. Rosa, S. A. Santos, On the solution of the symmetric eigenvalue complementarity problem by the spectral projected gradient algorithm, Numer. Algorithms 47 (4) (2008) 391–407. DOI

[11]   A. P. Martins, H. Ferreira, L. Pereira, Multidimensional outlier-proneness of dependent data and the extremal index, Stat. Methodol. 5 (1) (2008) 72–82. DOI

[12]   D. I. C. Mendes, S. Tumurbat, On small and essential left ideals, Mong. Math. J. 12 (2008) 2–11.

[13]   C. Nunes, I. Pinto, J. T. Mexia, Generalized F tests and selective generalized F tests for orthogonal and associated mixed models, Discuss. Math. Probab. Stat. 28 (2) (2008) 229–246.

[14]   C. Nunes, C. Santos, J. T. Mexia, Relevant statistics for models with commutative orthogonal block structure and unbiased estimator for variance components, J. Interdiscip. Math. 11 (4) (2008) 553–564. DOI

[15]   C. Rosa, E. Pereira, H. F. da Cruz, Classes of commuting matrices, Southeast Asian Bull. Math. 32 (5) (2008) 969–984.

[16] M. Rostami, On dimension of the manifold of polyhedral G-configuration space, Int. J. Contemp. Math. Sci. 3 (9-12) (2008) 537–544.

[17]   S. Tumurbat, D. I. C. Mendes, A. Mekei, On radicals and polynomial rings, Port. Math. 65 (2) (2008) 261–273. DOI

[18]   V. V. Yurinsky, A lower bound for the principal eigenvalue of the Stokes operator in a random domain, Ann. Inst. Henri Poincaré Probab. Stat. 44 (1) (2008) 1–18. DOI

FacebookTwitterGoogle+LinkedInEmail