• António Leal Duarte

  • Research Area

    Matrix Theory

  • Institution

    University of Coimbra

  • PhD

    Institution: Univ de Coimbra
    Year: 1992

  • Main research publications

    • The change in eigenvalue multiplicity associated with perturbation of a diagonal entry (with C. R. Johnson and C. Saiago) ", Linear and Multilinear Algebra 60 (2012)
    • Imbedding conditions for normal matrices (with J. F. Queiró) ", Linear Algebra Appl. 430 (2009)
    • The structure of matrices with a maximum multiplicity eigenvalue (with C. R. Jonhson and C. Saiago) ", Linear Algebra Appl. 429 (2008)
    • Multiplicity Lists for the Eigenvalues of Symmetric Matrices with a Given Graph (with C. R. Jonhson, Carlos Saiago) , in: Handbook of Linear Algebra (ISBN: 978-1-58488-51), pp. Chap 34 , Discrete Mathematics and its Applications , CRC Press, 2007
    • Converse to the Parter-Wiener Theorem: the case of non-trees (with C. R. Jonhson) ", Discrete Math. 306 (2006)
  • PhD Students

    • José Monteiro da Rocha, mathematian and astronomer co-supervision with Prof. Artur Alves (Univ de Coimbra) e Prof. João Fernandes (Univ de Coimbra), 2011
    • Symmetric band matrices and Fiedler characterization 2006

Research and Events


  • PhD Defense
    Khadijeh Alibabaei - On the profinite topology on groups and tameness of pseudo-varieties of groups
    15h00m - Room FC1 029, Dep. Mathematics, Univ. Porto
    March 1, 2018
  • Research Seminar Program (RSP)
    2017/18 second session
    Room 2.5, DMat UC
    March 9, 2018
  • PhD Defense
    Muhammad Ali Khan - Statistical instability in chaotic dynamics
    Room 031, Dep. Mathematics, Univ. Porto
    March 9, 2018
  • PhD Defense
    Anderson Feitoza Leitão Maia - Sharp regularity for the inhomogeneous porous medium equation
    14:30 - Sala dos Capelos, Univ. Coimbra
    March 21, 2018
More Events

Defended Theses

  • Forward-backward stochastic differential equations and applications
      Rui Manuel Tavares Pinto de Sá Pereira (January 2018)
      Evelina Shamarova
      Margarida Brito
  • Pseudomonads and descent
      Fernando Lucatelli Nunes (January 2018)
      Maria Manuel Clementino
  • Descent theory of (T,V)-categories: global-descent and étale-descent
      Pier Giorgio Basile (September 2017)
      Maria Manuel Clementino
More Theses