• Alfredo Costa

  • Research Area

    (Pro)finite semigroups and symbolic dynamics

  • Institution

    University of Coimbra

  • PhD

    Institution: the University of Porto
    Year: 2007

  • Main research publications

    • A categorical invariant of flow equivalence of shifts (with Benjamin Steinberg) ", Ergodic Theory and Dynamical Systems 36 (2016)
    • A geometric interpretation of the Schützenberger group of a minimal subshift (with Jorge Almeida) ", Arkiv för Matematik 54 (2016)
    • Some operators that preserve the locality of a pseudovariety of semigroups (with Ana Escada) ", International Journal of Algebra and Computation 23 (2013)
    • Presentations of Schützenberger groups of minimal subshifts (with Jorge Almeida) ", Israel Journal of Mathematics 196 (2013)
    • Profinite groups associated to sofic shifts are free (with Benjamin Steinberg) ", Proceedings of the London Mathematical Society 102 (2011)

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