Publications

Almeida J, Delgado M.. Sur certains systèmes d'équations avec contraintes dans un groupe libre–-addenda. Port. Math. (N.S.). 2001;58:379-387.
Almeida J, Azevedo A. Globals of pseudovarieties of commutative semigroups: the finite basis problem, decidability and gaps. Proc. Edinb. Math. Soc. (2). 2001;44:27-47.
Almeida J, Trotter PG. The pseudoidentity problem and reducibility for completely regular semigroups. Bull. Austral. Math. Soc.. 2001;63:407-433.
Almeida J, Trotter PG. Hyperdecidability of pseudovarieties of orthogroups. Glasg. Math. J.. 2001;43:67-83.
Almeida J, Higgins PM, Volkov M. An addendum: ``The gap between partial and full'' [Internat. J. Algebra Comput. \bf 8 (1998), no. 3, 399–430; MR1627844 (99g:20102)]. Internat. J. Algebra Comput.. 2001;11:131-135.
Rosales J., García-Sánchez PA. Minimal presentations of full subsemigroups of $\bold N^2$. Rocky Mountain J. Math.. 2001;31:1417-1422.
Chapman S., García-García JI, García-Sánchez PA, Rosales J.. Computing the elasticity of a Krull monoid. Linear Algebra Appl.. 2001;336:191-200.
Rosales J., García-Sánchez PA, García-García JI. Commutative ideal extensions of abelian groups. Semigroup Forum. 2001;62:311-316.
Rosales J., García-Sánchez PA, García-García JI. Irreducible ideals of finitely generated commutative monoids. J. Algebra. 2001;238:328-344.
Gama SM, Kraenkel R., Manna M.. Short-waves instabilities in the Benjamin-Bona-Mahoney-Perigrine equation: theory and numerics. Inverse Problems. 2001;17(4):864-870.
Barme-Delcroix M-, Brito M. Multivariate stability and strong limiting behaviour of intermediate order statistics. J. Multivariate Anal.. 2001;79:157-170.
Castro SB, Labouriau IS. Counting Persistent Pitchforks. Vol V International Workshop on Real and Complex Singularities São Carlos SP Brazil: CRC press 2000.
Silva MC, Ribeiro RM. Reflexão sobre um teorema de Jacques Bernoulli relativo a secções cónicas. Vol 139 SPM 2000.
Estrada MF, de Sá CC, Queiró JF, Silva MC, Costa MJ. História da Matemática. Vol 1. Universidade Aberta ed. Lisboa : Universidade Aberta 2000.
Davydov A., Basto-Gonçalves J. Controllability of a generic control system at a $k$-type singular point. In: International {C}onference on {D}ifferential {E}quations, {V}ol. 1, 2 ({B}erlin, 1999). World Sci. Publ., River Edge, NJ; 2000. 8. p. 841-843p.
Davydov A., Basto-Gonçalves J. Controllability of inequalities at 2-singular points. Uspekhi Mat. Nauk. 2000;55:121-122.
Castro SB, Brandão A.. Existence of a Markov perfect equilibrium in a third market model . ECONOMICS LETTERS. 2000;66:297-301.
de Oliveira PM, Ferreira M.. Algumas experiências de Ensino das Probabilidades e Estatística com Recursos à Simulação 2000.
Davydov A., Basto-Gonçalves J. Controllability of a generic dynamic inequality near a singular point. In: Real and complex singularities ({S}ão {C}arlos, 1998). Vol 412. Chapman & Hall/CRC, Boca Raton, FL; 2000. 2. p. 223-235p.
de Oliveira PM, Picard J.. Efficiency of an Approximate Nonlinear Filterin for a Particular Class of Nonlinear Diffusion with Observations Corrupted by Small Noise. In: 39th IEEE Conference on Decision and Control.; 2000. 1. p. 1599-1601p.
Sousa R, de Oliveira PM. Estimação de estado em modelos lineares por intervalos em tempo discreto: comparação numérica de dois procedimentos 2000.
Oliveira PM, Gama SM. Statistical properties of passive tracersin a positive four-point vortex model. American Physical Society. 2000;62:1424-1426.
Rosales JC, García-Sánchez PA, García-García JI. How to check if a finitely generated commutative monoid is a principal ideal commutative monoid. In: Proceedings of the 2000 International Symposium on Symbolic and Algebraic Computation (St. Andrews). ACM, New York; 2000. 2. p. 288-291p. (electronic).
Petrich M, Silva PV. Relatively free $^\ast$-bands. Beiträge Algebra Geom.. 2000;41:569-588.
Costa JP, Torgo L., Da Costa J. Clustered multiple regression. In: DATA ANALYSIS, CLASSIFICATION, AND RELATED METHODS.; 2000.
Oliveira A, Silva PV. Inverse automata and monoids and the undecidability of the Cayley subgraph problem for groups. Glasg. Math. J.. 2000;42:421-437.
Costa JP, Soares C, Brazdil P., Costa JP. Measures to evaluate rankings of classification algorithms. In: DATA ANALYSIS, CLASSIFICATION, AND RELATED METHODS.; 2000.
Silva PV. On unique factorization semilattices. Discuss. Math. Gen. Algebra Appl.. 2000;20:97-120.
Petrich M, Silva PV. Relationship of certain rings of infinite matrices over integers. Boll. Unione Mat. Ital. Sez. B Artic. Ric. Mat. (8). 2000;3:347-365.
Petrich M, Silva PV. Relatively free bands. Comm. Algebra. 2000;28:2615-2631.