Recent Talks (selected)

• On the duality between normality and extremal disconnectedness
  (invited talk, joint work with J. Gutiérrez García)
  Workshop "Frames in Algebra",
  University of Florida, Gainesville, USA, March 2012.
  pdf file
  
  
• Extended real functions in pointfree topology
  (joint work with B. Banaschewski and J. Gutiérrez García)
  26th Summer Topology Conference,
  CCNY, New York, USA, July 2011.
  pdf file
  
  
• On (binary) localic products and localic groups
  (plenary talk, joint work with A. Pultr)
  CT2011-International Category Theory Conference,
  UBC, Vancouver, Canada, July 2011.
  pdf file
  
  
• Strict insertion of continuous real functions in pointfree topology
  (invited talk, joint work with J. Gutiérrez García)
  VII Italian-Spanish Conference on General Topology and its Applications,
  Universidad de Extremadura, Badajoz, Spain, September 2010.
  pdf file
  
  
• Rings of (extended) real functions in frames
  (invited talk, joint work with J. Gutiérrez García)
  Workshop on Frames: Algebra vs. Topology,
  University of Florida, Gainesville, USA, December 2009.
  pdf file
  
  
• Describing asymmetric frame uniformities with pairs of covers
  (invited talk, joint work with A. Pultr)
  IV Workshop on Aspects of Contemporary Topology,
  Antwerp, Belgium, December 2009.
  pdf file (slides of the second part of the talk)
  
  
• Complete normality and complete regularity in the category of locales via real-valued functions
  (joint work with J. Gutiérrez García)
  CT2009 - International Conference on Category Theory,
  Cape Town, South Africa, June-July 2009.
  pdf file
  
  
• Insertion of continuous real functions on spaces, bispaces, ordered spaces and point-free spaces -- a common root
  (joint work with M. J. Ferreira and J. Gutiérrez García)
  1st BLAST Conference (on Boolean Algebras, Lattices, Algebraic Logic, Quantum Logic, Universal Algebra, Set-Theory, Set-Theoretical Topology and Pointfree Topology),
  Denver, USA, August 2008.
  pdf file
  
  
• Localic real-valued functions
  (invited talk, joint work with J. Gutiérrez García and T. Kubiak)
  III Workshop on Aspects of Contemporary Topology,
  Antwerp, Belgium, December 2007.
  pdf file
  
  
• Semicontinuity in pointfree topology: monotonization and regularization
  (joint work with J. Gutiérrez García and T. Kubiak)
  XXII Summer Conference on Topology and its Applications,
  Castellon, Spain, July 2007.
  pdf file
  
  
• Semicontinuous real functions pointfreely
  CMUC Workshop,
  (invited talk)
  Coimbra, September 2006.
  pdf file
  
  
• Point-finite families of sublocales
  II Workshop on Aspects of Contemporary Topology,
  (invited talk)
  Antwerp, Belgium, December 2005.
  pdf file
  
  
• The quantale of Galois connections
  II Conference on Algebraic and Topological Methods in Non-Classical Logics,
  Barcelona, Spain, June 2005.
  pdf file
  
  
• On the localic Katetov-Tong interpolation theorem
  XVI Summer Conference on Topology and its Applications,
  Cape Town, South Africa, July 2004.
  pdf file
  
  
• Interior-preserving covers, spectrum covers and semicontinuous real functions in frames
  (invited talk)
  Workshop on Aspects of Contemporary Topology,
  Antwerp, Belgium, December 2003.
  pdf file
  
  
• A pointfree extension of the Fletcher construction
  V Iberoamerican Conference on Topology and its Applications
  Lorca, Spain, June 2003.
  pdf file