Invited talks 
  1. Decomposition of submodular polynomials
    STTI 09, ITI, Charles University, Prague, Czech republic, 06/2009.
  2. Sudoku and other problems: Complexity of Constraint Satisfaction Problems
    Keble College, Oxford University, 05/2009.
 Conferences and workshops 
  1. The complexity of valued constraint models
    CP 2009, Lisbon, Portugal, 09/2008.
  2. The expressive power of binary submodular functions
    MFCS 2009, Novy Smkovec, Slovakia, 08/2009.
  3. The expressive power of binary submodular functions
    BAD 2009, Bristol, UK, 05/2009.
  4. The expressive power of binary submodular functions
    BCTCS 2009, Warwick, UK, 04/2009.
  5. The expressive power of binary submodular functions
    DIMAP workshop on Algorithimc Graph Theory, Warwick, UK, 03/2009.
  6. The expressive power of binary submodular functions
    DIMACS - RUTCOR Workshop on Boolean and Pseudo-Boolean Functions, NJ, USA, 01/2009.
  7. Submodular valuded constraints
    INFORMS, Washington D.C., USA, 10/2008.
  8. Classes of submodular constraints expressible by graph cuts
    CP 2008, Sydney, Australia, 09/2008.
  9. Valued constraints: modelling, expressive power and algebraic properties
    BCTCS 2008, Durham University, Durham, UK, 04/2008.
  10. Expressibility of valued constraints
    DP CP 2007, Providence, RI, USA, 09/2007.
 Seminars 
  1. The expressive power of binary submodular functions
    Cakes Seminar, Oxford University Computing Laboratory, Oxford, UK, 10/2008.
  2. The expressive power of binary submodular functions
    Computer Vision Group, University of Leeds, UK, 10/2008.
  3. Classes of submodular constraints expressible by graph cuts
    EEC, The University of Melbourne, Australia, 09/2008.
  4. (Mostly submodular) valued constraints
    CMP, Czech Technical University, Prague, Czech republic, 08/2008.
  5. (Submodular) valued constraints
    Computer Vision Group, Oxford Brookes University, Oxford, UK, 04/2008.
  6. The expressive power of valued constraints: hierarchies and collapses
    Noon Seminar, Charles University, Prague, Czech republic, 12/2007.
  7. The expressive power of valued constraints: hierarchies and collapses
    CIRCA Seminar, University of St Andrews, St Andrews, UK, 12/2007.
  8. The expressive power of valued constraints: hierarchies and collapses
    Cakes Seminar, Oxford University Computing Laboratory, Oxford, UK, 11/2007.