• Low Dimensional Topology Summer School at Central European University (CEU) July 4-8, 2016.
  • Perspectives in topology and geometry of 4-manifolds (Inter University Center, Dubrovnik, Croatia) June 6-10, 2016.
  • Stein manifolds, contact structures and knots (CIRM, Luminy, 2015)
  • Mappin class groups, 3- and 4-manifolds (Kolozsvár, 2015)
  • Geometry and topology of smooth 4-manifolds (Max Planck Institute for Mathematics 2013)
  • Contact and Symplectic Topology (CAST) Summer School 2012
  • Topology of Manifolds Summer School 2011
  • Clay Mathematics Institute Summer School on Floer Homology, Gauge Theory, and Low Dimensional Topology, June 6-26, 2004, Budapest, Hungary
  • Osszintézeti szeminárium (2008.11.24.) Knots and combnatorics (the same lecture in English)