Sound and Complete Axiomatization of Trace Semantics for Probabilistic Transition Systems
QAIS research workshop and kick-off meeting, 17th of October 2011, University of Minho, Braga (30 min. talk)   
  
slides (pdf, huge sorry)
Seminar of the Computer Science Group, Research Institute for Mathematical Sciences (RIMS), Kyoto University, 4th of December 2008 (1 hour talk)   
Informal talk extending the coalgebra day talk (slides below). New slides corresponding to this talk are the ones from TUE (above).
Researcher's Seminar of the
Theory and Logic Group, Vienna University of Technology (TU Wien), 23rd of January 2008 (1 hour talk)   
slides (pdf)   
The Microcosm Principle and Concurrency in Coalgebra
Computational Systems Group, Department of Computer Sciences, University of Salzburg, 13th of October 2006 (1 hour talk) invited by
Prof. Christoph Kirsch   
slides (pdf)   
Probabilistic systems: a place where categories meet probability
Computer Science Colloquium, University Dortmund, 12th of June 2006 (1 hour talk) invited by
Prof. Ernst Doberkat   
slides (pdf)   
Generic Trace Theory
CMCS'06 workshop, satellite event of
ETAPS'06, Vienna, Austria, 25th of March 2006 (40 min. talk)
slides (pdf)   
On Semantic Relations: From probabilistic systems to coalgebras and back