• Costa, José Carlos, Biinfinite words with maximal recurrent unbordered factors, Theoretical Computer Science, 290:2053-2061, 2003.
• Fernández-Suárez, Lucía, A. Gómez-Tato, J. Strom, and D.Tanré, The Lusternik-Schnirelmann category of Sp(3), Proc. AMS, 132(2):587-595, 2003.
• Kahl, Thomas, On the algebraic approximation of Lusternik-Schnirelmann category, Journal of Pure and Appl. Algebra, 181:227-277, 2003.
• Marques-Smith, M. Paula O. and Sullivan, R.P., Partial orders on transformation semigroups, Monatsh. Math., 140:103-118, 2003.
• Mendes Araújo, Cláudia, Torregrosa, Juan Ramón and Urbano, Ana M., N-matrix completion problem, Linear Algebra and its Applications, 372:111-125, 2003.
• Oliveira, Filipe, Stability of the solitons for the one-dimensional Zakharov-Rubenchick equation, Physica D, 175:220-240, 2003.
• Patrício, Pedro, The Moore-Penrose inverse of a factorization, Linear Algebra and its Applications, 370:227-235, 2003. (v. repositorium)
• Ralha, Rui, One-sided reduction to bidiagonal form, Linear Algebra and its Applications, 358:219-238, 2003.

Artigos em Actas de Congressos

• Bock, S., Falcão, M.I. and Gürlebeck, K., Applications of Bergman kernel functions, Digital Proc. IKM - 16th Int. Conf., 2003.
• Dahlke, S., Lindemann, M., Teschke, G., Zhariy, M., Soares, M.J., Cerejeiras, P. and Kahler, U., A Wavelet Based Numerical Method for Nonlinear Partial Differential Equations, Digital Proc. ``International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering", IKM, Weimar, 2003.
• Espírito Santo, José and Pinto, Luís, Permutative conversion in intuitionistic multiary sequent calculus with cuts, Proceedings of 6th International on Typed Lambda Calculi and Applications (TLCA 2003), Lecture Notes in Computer Science, vol. 2701, pp 286-300, Springer, 2003.
• Gomes, Alexandra, Ralha, M. Elfrida, Conceitos Elementares em Geometria: Que Definição escolher?, SEIEM (Sociedad Española de Investigación en Educación Matemática), Granada, Espanha, 2003.
• Gomes, Alexandra, Ralha, M. Elfrida, Um novo olhar sobre a Educação Matemática dos Professores do 1. Ciclo , I SNEB (I Seminário Nacional de Educação Básica), Aveiro, 2003.
• Gomes, Alexandra, Ralha, M. Elfrida, Conceito de Perpendicularidade: como é visto pelos (futuros) professores do 1. ciclo?, XIV SIEM (Seminário de Investigação em Educação Matemática), Santarém, 2003.
• Mena, Filipe, Generalisations of the Einstein-Straus model to cylindrical symmetry, Proceedings of the Tenth Marcel Grossmann Meeting, accepted for publication.
• Mena, Filipe, Evolution of second order perturbations in flat dust FLRW, Proceedings of the Spanish Relativity Meeting 2002, pp. 263-266 (Publicaciones de la Universitat de Barcelona), 2003.
• Mena, Filipe, On modifications of the Einstein-Straus model to Bianchi metrics, Proceedings of the Spanish Relativity Meeting 2001, pg. 343-346 (Berlin: Springer-Verlag), 2003.
• Soares, M.J., Transforms, Algorithms and Applications, Proceedings of "Mathematical Techniques and Problems in Telecommunications", pp. 33-73, Tomar, 2003.