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Papers in International Journals
Guterman, Alexander; Lemos, Rute;
Soares, Graça
(2013)
Extremal Case in Marcus-Oliveira Conjecture and Beyond
. Linear & Multilinear Algebra: 61(9), 1206-1222.
Korhonen, Iikka; Ledyaeva, Svetlana (2010)
Trade Linkages and Macroeconomic Effects of the Price of Oil
. Energy Economics: 32(4), 848-856.
Bebiano, N; Lemos, R; Da Providencia, J; Soares, G (2005)
On the Geometry of Numerical Ranges in Spaces with an Indefinite Inner Product
. Linear Algebra and Its Applications: 399, 17-34.
Bebiano, N; Nakazato, H; Da Providencia, J; Lemos, R; Soares, G (2005)
Inequalities for J-Hermitian Matrices
. Linear Algebra and Its Applications: 407, 125-139.
Bebiano, N; Soares, G (2005)
Three Observations on the Determinantal Range
. Linear Algebra and Its Applications: 401, 211-220.
Khatir, Z (2004)
A Boundary Element Method for the Numerical Investigation of Near-Wall Fluid Flow with Vortex Method Simulation
. Engineering Analysis with Boundary Elements: 28(11), 1405-1416.
Bebiano, N; Lemos, R; Da Providencia, J; Soares, G (2004)
On Generalized Numerical Ranges of Operators on an Indefinite Inner Product Space
. Linear & Multilinear Algebra: 52(3-4), 203-233.
Li, CK; Semrl, P; Soares, G (2001)
Linear Operators Preserving the Numerical Range (Radius) on Triangular Matrices
. Linear & Multilinear Algebra: 48(4), 281-292.
Seminars
On the motion of rigid bodies in a viscous non-homogeneous fluid
(08/03/2001)
On some singular BVP's for autonomous systems of nonlinear ODE's arising from hydrodynamics
(23/02/2001)
Multiple self similar solutions of theNonlinear Wave Equation in theinflationary cosmology
(16/02/2001)
Fibrilação Modulada e o Problema do Colapso
(15/02/2001)
Stipulations Multivalued Logic and De Morgan Algebras
(06/02/2001)
Uma Introdução ao GAP
(01/02/2001)
A Generalization of the Duality Compactness Theorem
(18/01/2001)
Periodicidade em Palavras Bidimensionais
(12/01/2001)
Qualquer Semigrupo é Isomorfo a um Subsemigrupo do Semigrupo dos Endomorfismos de uma Álgebra de Ockham
(14/12/2000)
Uma abordagem topológica aos teoremas do tipo Reidemeister-Schreir para semigrupos inversos
(12/12/2000)
The approximate solution of fractional Differential Equations
(11/12/2000)
Optimal Bounds and <i>H</i>-measures
(06/12/2000)
Purity in module categories and functor rings
(01/12/2000)
Operações implicitas sobre a pseudovariedade dos semigrupos localmente idempotentes e localmente comutativos
(24/11/2000)
Álgebras com dimensões homológicas baixas
(23/11/2000)
The high field asymptotics for degenerate semiconductors
(23/11/2000)
A non iterative process for cracks identification
(22/11/2000)
Ortoreticulados, algumas noções básicas
(16/11/2000)
Resolução numérica de problemas de valores de fronteira singulares para equações de Emden-Fowler
(10/11/2000)
A non destructive approach for the identification of elastic contact stresses
(08/11/2000)
Axiomatisability of class of S-acts
(03/11/2000)
Uma Introdução à Teoria de Representação de Álgebras
(01/11/2000)
Matrizes e isometrias do plano hiperbólico
(19/10/2000)
Resolução numérica de problemas de valores de fronteira singulares para equações de Emden-Fowler
(08/10/2000)
A remark on the removable singularities for the solution of the Navier-Stokes equation
(28/09/2000)
Propagação do erro na integração numérica de ondas solitárias
(13/09/2000)
Gauss-Manin systems for polynomials
(24/07/2000)
Strong solutions for non-newtonian fluids for small times
(11/07/2000)
Analysis of jump-diffusion operators
(11/07/2000)
Álgebras com reticulado de congruências modular
(30/06/2000)
Alguns resultados acerca de operadores de potência sobre pseudovariedades
(09/06/2000)
Lógica modal básica e aplicações
(02/06/2000)
Formal Languages and Group Theory
(01/06/2000)
Canonical Extensions of Distributive Lattice Expansions
(01/06/2000)
Applications to q-integers in Approximation Theory
(26/05/2000)
From Archimedes to Gauss and the AGM - an account of double-mean processes
(19/05/2000)
The ind-sheaf of temperate holomorphic functions
(08/05/2000)
Aspectos topológicos da Álgebra
(05/05/2000)
Symmetry of crystal basis
(11/04/2000)
Homological and Finiteness Properties of Rewriting Systems
(01/04/2000)
Characterization of complete sublattices of a given complete lattice
(31/03/2000)
Conjugate pairs of additive closure operators and complete sublattices of a complete lattice
(01/03/2000)
Sobre a eficiência de um algoritmo para calcular o núcleo abeliano de um monóide
(18/02/2000)
Semidirect decompositions of inverse semigroups
(17/01/2000)
Pseudovarieties generated by their regular members
(08/11/1999)
Rings graded by inverse semigroups
(01/11/1999)
Natural Dualities
(01/11/1999)
General products and decompositions of rings
(18/10/1999)
(More) General Discriminators
(22/09/1999)
On Ekaterinburg seminar: "Algebraic systems"
(24/06/1999)
CEMAT
- Center for Computational and Stochastic Mathematics
Instituto Superior Têcnico
Faculdade de Ciências
Universidade de Lisboa