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

AuthID: I-000-1EJ

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Publications Count: 2199

102 Team Members
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2061
TITLE: Document clustering and cluster topic extraction in multilingual corpora
AUTHORS: Silva, J ; Mexia, J ; Coelho, A; Lopes, G ;
PUBLISHED: 2001, SOURCE: IEEE International Conference on Data Mining in 2001 IEEE INTERNATIONAL CONFERENCE ON DATA MINING, PROCEEDINGS, PAGES: 513-520
2062
TITLE: Formalizing non-termination of recursive programs
AUTHORS: Reinhard Kahle ; Studer, T;
PUBLISHED: 2001, SOURCE: JOURNAL OF LOGIC AND ALGEBRAIC PROGRAMMING, VOLUME: 49, ISSUE: 1-2, PAGES: 1-14
2063
TITLE: Implicit characterizations of Pspace
AUTHORS: Oitavem, I ;
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, PAGES: 170-190
2064
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
2065
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
2066
TITLE: On a new scaling for semiconductor device equations and its asymptotic analysis
AUTHORS: Henry, J; Louro, B ; Viel, A; Yvon, JP;
PUBLISHED: 2001, SOURCE: MATHEMATICAL MODELS & METHODS IN APPLIED SCIENCES, VOLUME: 11, ISSUE: 8, PAGES: 1431-1456
2067
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
2068
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
2069
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
2070
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
2071
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
2072
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
2073
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
2074
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
2075
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
2076
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
2077
TITLE: Proof Theory in Computer Science
AUTHORS: Reinhard Kahle ; Peter Schroeder-Heister; Robert Stärk;
PUBLISHED: 2001, SOURCE: Lecture Notes in Computer Science
2078
2079
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
2080
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

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