Restivo A, Silva PV. On the lattice of prefix codes. Theoret. Comput. Sci.. 2002;289:755-782.Edit

Lomp K., Nasrutdinov M., Sakhaev I.. On projective modules with a semilocal endomorphism ring. Izv. Vyssh. Uchebn. Zaved. Mat.. 2002:23-29.Edit

Silva PV. Recognizable subsets of a group: finite extensions and the abelian case. Bull. Eur. Assoc. Theor. Comput. Sci. EATCS. 2002:195-215.

Petrich M, Silva PV. Structure of relatively free bands. Comm. Algebra. 2002;30:4165-4187.Edit

Boardman A., Schlindwein FS, Rocha AP, Leite A. A study on the optimum order of autoregressive models for heart rate variability. {PHYSIOLOGICAL MEASUREMENT}. 2002;{23}:{325-336}.Edit

Lerman I, da Costa JP, Silva H. Validation of very large data sets clustering by means of a nonparametric linear criterion. In: Classification, clustering, and data analysis (Cracow, 2002). Springer, Berlin; 2002. 1. p. 147-157p. (Stud. Classification Data Anal. Knowledge Organ.).Edit

Petrich M, Silva PV. A canonical directly infinite ring. Czechoslovak Math. J.. 2001;51(126):545-560.Edit

Almeida J, Silva PV. SC-hyperdecidability of $\bf R$. Theoret. Comput. Sci.. 2001;255:569-591.Edit

Silva PV. Trees associated to inverse monoid presentations. J. Pure Appl. Algebra. 2001;165:307-335.

Srivastava H., Tuan VK, Yakubovich SB. The Cherry transform and its relationship with a singular Sturm-Liouville problem. Q. J. Math.. 2000;51:371-383.Edit

Torgo L., da Costa J.. Clustered multiple regression. In: Kiers H.AL, Rasson J.P, Gronen P.JF, Schader M., editors. Data Analysis, Classification, and Related Methods.; 2000. 2. p. 217-222p. (Studies in Classification, Data Analysis, and Knowledge Organization).Edit

Almeida J, Steinberg B. On the decidability of iterated semidirect products with applications to complexity. Proc. London Math. Soc. (3). 2000;80:50-74.Edit

Sousa R, de Oliveira PM. Estimação de estado em modelos lineares por intervalos em tempo discreto: comparação numérica de dois procedimentos 2000.Edit

Petrich M, Silva PV. A functor from semigroups to rings. J. Pure Appl. Algebra. 2000;148:285-307.Edit

Dias A., Dionne B., Stewart I.. Heteroclinic Cycles and Wreath Product Symmetries. Dynamics and Stability of Sytems. 2000;15:353-385.Edit

Stewart I., Dias A. Hilbert Series for Equivariant Mappings Restricted to Invariant Hyperplanes. Journal of Pure and Applied Algebra. 2000;151:89-106.Edit

Estrada MF, de Sá CC, Queiró JF, Silva MC, Costa MJ. História da Matemática. Vol 1. Universidade Aberta ed. Lisboa : Universidade Aberta 2000.Edit

Dias A., Stewart I.. Invariant Theory for Wreath Product Groups. Journal of Pure and Applied Algebra. 2000;150:61-84.Edit

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.Edit

Costa JP, Soares C, Brazdil P., Costa JP. Measures to evaluate rankings of classification algorithms. In: DATA ANALYSIS, CLASSIFICATION, AND RELATED METHODS.; 2000. Edit

Soares C, Brazdil P., Costa JP. measures to evaluate rankings of classification algorithms. data analysis, classification, and related methods. 2000:119-124.Edit

Soares C., Brazdil P., Costa JP. Measures to evaluate rankings of classification algorithms. In: Kiers H.AL, Rasson J.P, Gronen P.JF, Schader M., editors. Data Analysis, Classification, and Related Methods.; 2000. 1. p. 119-124p. (Studies in Classification, Data Analysis, and Knowledge Organization).Edit

Soares C., Brazdil P., Costa JP. Measures to evaluate rankings of classification algorithms. In: Kiers H.AL, Rasson J.P, Gronen P.JF, Schader M., editors. Data Analysis, Classification, and Related Methods.; 2000. 1. p. 119-124p. (Studies in Classification, Data Analysis, and Knowledge Organization).Edit

Silva MC, Ribeiro RM. Reflexão sobre um teorema de Jacques Bernoulli relativo a secções cónicas. Vol 139 SPM 2000.Edit

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.Edit