Centre for Mathematics and Applications (CMA)
Centro de Matemática e Aplicações

AuthID: I-000-1EJ

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Publications Count: 2124

97 Team Members
Filters -> Year: 2025
2021
TITLE: Multilingual document clustering, topic extraction and data transformations
AUTHORS: Silva, J ; Mexia, J ; Coelho, CA ; Lopes, G ;
PUBLISHED: 2001, SOURCE: 10th Portuguese Conference on Artificial Intelligence, EPIA 2001 in Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), VOLUME: 2258 LNAI, PAGES: 74-87
2022
TITLE: Ockham algebras arising from monoids
AUTHORS: Blyth, TS; Silva, HJ ; Varlet, JC;
PUBLISHED: 2001, SOURCE: ALGEBRA COLLOQUIUM, VOLUME: 8, ISSUE: 3, PAGES: 315-326
2023
TITLE: On generators and relations for unions of semigroups
AUTHORS: Araujo, IM; Branco, MJJ ; Vítor H. Fernandes ; Gomes, GMS ; Ruskuc, N;
PUBLISHED: 2001, SOURCE: SEMIGROUP FORUM, VOLUME: 63, ISSUE: 1, PAGES: 49-62
2024
TITLE: On Huygens' principle for dirac operators and nonlinear evolution equations
AUTHORS: Chalub, FACC ; Zubelli, JP;
PUBLISHED: 2001, SOURCE: Journal of Nonlinear Mathematical Physics, VOLUME: 8, ISSUE: SUPPL., PAGES: 62-68
2025
TITLE: On Huygens' principle for Dirac operators and nonlinear evolution equations
AUTHORS: Chalub, FACC ; Zubelli, JP;
PUBLISHED: 2001, SOURCE: 13th Workshop on Nonlinear Evolution Equations and Dynamical Systems (NEEDS 99) in JOURNAL OF NONLINEAR MATHEMATICAL PHYSICS, VOLUME: 8, ISSUE: Supplement, PAGES: 62-68
2026
TITLE: On Huygens' principle for Dirac operators associated to electromagnetic fields
AUTHORS: Chalub, FACC ;
PUBLISHED: 2001, SOURCE: ANAIS DA ACADEMIA BRASILEIRA DE CIENCIAS, VOLUME: 73, ISSUE: 4, PAGES: 483-493
2027
TITLE: On Huygens' principle for Dirac operators associated to electromagnetic fields
AUTHORS: FABIO A.C.C CHALUB ;
PUBLISHED: 2001, SOURCE: Anais da Academia Brasileira de Ciências, VOLUME: 73, ISSUE: 4, PAGES: 483-493
2028
TITLE: On the covering number of a matroid element
AUTHORS: Fernandes, Rosario ;
PUBLISHED: 2001, SOURCE: LINEAR ALGEBRA AND ITS APPLICATIONS, VOLUME: 337, ISSUE: 1-3, PAGES: 21-35
2029
TITLE: On the interpolation constant for Orlicz spaces
AUTHORS: Oleksiy Karlovych ; Maligranda, L;
PUBLISHED: 2001, SOURCE: PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY, VOLUME: 129, ISSUE: 9, PAGES: 2727-2739
2030
TITLE: On the kernel of the derivation operator
AUTHORS: Fernandes, Rosario ;
PUBLISHED: 2001, SOURCE: LINEAR ALGEBRA AND ITS APPLICATIONS, VOLUME: 337, ISSUE: 1-3, PAGES: 121-138
2031
TITLE: Perron-Frobenius theorem for matrices with some negative entries
AUTHORS: Tarazaga, P; Raydan, M ; Hurman, A;
PUBLISHED: 2001, SOURCE: Linear Algebra and Its Applications, VOLUME: 328, ISSUE: 1-3, PAGES: 57-68
2032
TITLE: Preface
AUTHORS: Reinhard Kahle ; Schroeder Heister, P; Stärk, R;
PUBLISHED: 2001, SOURCE: International Seminar on Proof Theory in Computer Science, PTCS 2001 in Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), VOLUME: 2183
2033
TITLE: Proof Theory in Computer Science. International Seminar, PTCS 2001 Dagstuhl Castle, Germany, October 7-12, 2001. Proceedings (Lecture Notes in Computer Science)
AUTHORS: Reinhard Kahle ; Peter Schroeder-Heister; Robert Stärk;
PUBLISHED: 2001, SOURCE: Lecture Notes in Computer Science
2034
2035
TITLE: The monoid of all injective order preserving partial transformations on a finite chain
AUTHORS: Vítor H. Fernandes ;
PUBLISHED: 2001, SOURCE: SEMIGROUP FORUM, VOLUME: 62, ISSUE: 2, PAGES: 178-204
2036
TITLE: The rank partition and the covering number of the elements of the dual matroid
AUTHORS: da Silva, JAD; Fernandes, Rosario ;
PUBLISHED: 2001, SOURCE: ARS COMBINATORIA, VOLUME: 59, PAGES: 129-144
2037
TITLE: Truth in Applicative Theories
AUTHORS: Reinhard Kahle ;
PUBLISHED: 2001, SOURCE: Stud Logica, VOLUME: 68, ISSUE: 1, PAGES: 103-128
2038
TITLE: Universes in explicit mathematics
AUTHORS: Jager, G; Reinhard Kahle ; Studer, T;
PUBLISHED: 2001, SOURCE: ANNALS OF PURE AND APPLIED LOGIC, VOLUME: 109, ISSUE: 3, PAGES: 141-162
2039
TITLE: Universes in explicit mathematics
AUTHORS: Gerhard Jäger; Reinhard Kahle ; Thomas Studer;
PUBLISHED: 2001, SOURCE: Ann. Pure Appl. Log., VOLUME: 109, ISSUE: 3, PAGES: 141-162
2040
TITLE: A Theory of Explicit Mathematics Equivalent to ID1
AUTHORS: Reinhard Kahle ; Thomas Studer;
PUBLISHED: 2000, SOURCE: Computer Science Logic, 14th Annual Conference of the EACSL, Fischbachau, Germany, August 21-26, 2000, Proceedings, VOLUME: 1862, PAGES: 356-370

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