Jarek Kędra - Talks

2023
  • TBA, Regensburg, July 2023
  • Bounded cohomology of racks and quandles, International young seminar on bounded cohomology and simplicial volume, April 2023.
  • Geometry and bounded cohomology of quandles, Aberdeen, March 2023.
    • 2022
  • Asymptotic cones of bi-invariant metrics, Wrocław, April 2022.
    • 2021
  • On quasimorphism invariant under automorphisms, Warsaw (online), June 2021.
  • On generation of arithmetic groups by conjugacy classes, Poznań (online), January 2021.
    • 2019
  • The geometry of the fundamental group, Tel-Aviv, April 2019.
  • On qualitative counting of closed geodesics, London, February 2019.
    • 2018
  • Infinitely many black swans, Bentley, November 2018.
  • Obstructions to Hamiltonian actions, Wrocław, September 2018.
  • On qualitative counting of closed geodesics, Kraków, July 2018.
  • On qualitative counting of closed geodesics, Belfast, June 2018.
  • Boundedness properties of groups, Haifa, April 2018.
  • Boundedness properties of SL(n,Z), Tel-Aviv, April 2018.
    • 2017
  • Conjugation invariant geometry of SL(n,Z), Southampton, December 2017.
  • On boundedness of semisimple Lie groups, Aberdeen, November 2017.
  • Conjugation invariant geometry of SL(n,Z), Edinburgh, November 2017.
  • SL(3,Z), Ratisbon, August 2017.
  • Obstructions to Hamiltonian actions, Utrecht, March 2017.
  • Palindromes and closed geodesics, Aberdeen, Ferbuary 2017.
  • SL(3,Z), Lancaster, January 2017.
    • 2016
  • Groups which do not admit faithful Hamiltonian actions, Lisboa, November 2016.
  • Groups which do not admit faithful Hamiltonian actions, Koeln, October 2016.
  • Group actions on manifolds, Krakow, August 2016.
  • Strongly bounded groups, Dead Sea, June 2016.
  • Uniformly bounded groups, Warszawa, May 2016.
  • From braids to concordance classes of knots, Warszawa, May 2016.
  • Strongly bounded groups, Olsztyn, May 2016.
  • Diffeomorphism groups are uniformly simple, Poznan, April 2016.
  • Introduction to transformation groups of manifolds, Poznan, April 2016.
  • Uniformly bounded groups, Tel Aviv, March 2016.
  • Boundedness properties of groups, Beer Sheba, March 2016.
  • Autonomous norm on the group of area preserving diffeomorphisms of the torus, Bonn, January 2016.
  • Autonomous norm on the group of area preserving diffeomorphisms of the torus, Bielefeld, January 2016.
    • 2015
  • On the autonomous norm on the group of Hamiltonian diffeomorphisms of a surface, Ratisbon, November 2015.
  • On the autonomous norm on the Hamiltonian diffeomorphisms of surfaces, Mittag-Leffler, October 2015.
  • Uniform simplicity of groups, Aberdeen, September 2015.
  • Algebraic properties of diffeomorphism groups, Belfast, September 2015.
  • Quasimorphisms, Krakow, July 2015.
  • Conjugation invariant norms on diffeomorphism groups, Montreal and Toronto, April 2015; Krakow, July 2015.
  • On the autonomous norm on the group of Hamiltonian diffeomorphisms of a surface, Gdansk, May 2015.
  • Conjugation invariant norms on groups, Montreal, April 2015.
  • On the autonomous norm on the group of Hamiltonian diffeomorphisms of the two dimensional torus, Montreal, April 2015.
  • The conjugation invariant geometry of cyclic subgroups, Oberwolfach, January 2015.
    • 2014
  • A quasihomomorphism from braids to concordance classes of knots, Wroclaw, November 2014.
  • Paradoxical decompositions, St Andrews, October 2014.
  • The biinvariant geometry of cyclic subgroups, St Andrews, October 2014.
  • Braids and concordance classes of knots, Aberdeen, Warwick, February 2014.
    • 2013
  • The biinvariant geometry of groups, Bonn, October 2013.
  • The biinvariant geometry of cyclic subgroups, Aberdeen, September 2013.
  • Biinvariant metrics on groups, Szczecin, March 2013, Gdansk, September 2013.
  • Monotone Lagrangian embeddings in Cn, Tokyo, January 2013.
  • On the autonomous metric on Diff(D2,area), Tokyo and Kyoto, January 2013.
    • 2012
  • Monotone Lagrangian embeddings in Cn, Aberdeen October 2012, Wroclaw November 2012.
  • On biinvariant metric on groups, Oberwolfach, July 2012.
  • Distortion in groups of homeomorphisms, Haifa, June, 2012.
  • Gromov-Witten invariants of the Kodaira-Thurston manifold, Warszawa, May 2012.
  • On actions of SL(n,Z) on manifolds, Neuchatel, May, 2012.
  • Monotone Lagrangian embeddings in Cn Neuchatel, March, 2012.
  • Distortion in groups, London, February, 2012.
  • Bi-invariant metrics on lattices in Chevalley groups are bounded, Aberdeen, February, 2012.
    • 2011
  • Distortion in groups, Leicester, November, 2011.
  • Quasi-isometric embeddings into diffeomorphism groups, Zurich, November, 2011.
  • Quasi-isometric embeddings into diffeomorphism groups, Lodz, September, 2011.
  • Ergodicity and distortion of homeomorphisms, Zurich, May, 2011.
  • What does a subgroup in Ham(M,w) look like?, Zurich, May, 2011.
  • Finitely generated subgroups of diffeomorphism groups, Uppsala, January, 2011.
    • 2010
  • Fibre integral method, Aberdeen, October 2010.
  • Group actions in symplectic geometry, Milan, September, 2010.
  • Group actions in symplectic geometry, Poznan, June, 2010.
  • Fat bundles, Aberdeen, Leeds, March 2010
  • Characteristic classes in symplectic topology, Edinburgh, February 2010.
  • Discrete group actions on symplectic manifolds, Glasgow, January 2010.
    • 2009
  • Characteristic classes of smooth fibrations, Brno, July 2009.
  • On the Lalonde-McDuff conjecture, Aberdeen, May 2009.
  • Characteristic classes, Manchester, March 2009.
    • 2008
  • Discrete group actions on manifolds, Cambridge, November, 2008.
  • Hamiltonian actions of discrete groups, Bedlewo, November, 2008.
  • Symplectic group theory, Edinburgh, April, 2008.
  • Symplectically aspherical manifolds, Bruxelles, February 2008.
  • Group actions on manifolds, Aberdeen, February 2008.
    • 2007
  • Discrete group actions on symplectic manifolds, Warszawa, August 2007.
  • Fundamental group and symplectic geometry, Warszawa, August 2007.
  • Flux homomorphisms and volume entropy, Bedlewo, July 2007.
  • The topology of groups of diffeomorphisms, Durham, May 2007.
  • Quantum Cohomology, Aberdeen, March 2007.
  • Symplectc configurations, Srni, January 2007.
    • 2006
  • Quasi-morphisms, Aberdeen, November 2006.
  • Fundamental groups and geometry - Aberdeen, October 2006.
  • About symmetry - Gdansk, September 2006.
  • Fundamental groups of symplectically aspherical manifolds - Bedlewo, August 2006.
  • Flux homomorphisms and entropy -
    Aberdeen, March 2006;
    Warszawa, January 2006.
    • 2005
  • Metrics on groups of diffeomorphisms -
    Bedlewo, April 2006;
    Srni, January 2006;
    Warszawa, January 2006;
    Newcastle, December 2005;
    Columbus, November 2005;
    Stony Brook, November 2005;
    Aberdeen, October 2005.
  • Homotopy properties of actions of compact Lie groups - Aberdeen, October 2005.
  • Topology of groups of diffeomorphisms of symplectic manifolds - Aberdeen, March 2005.
    • 2004
  • Groups of symplectomorphisms- Olsztyn, December 2004.
  • Groups of diffeomorphisms and its classifying spaces - Poznan, November 2004.
  • Groups of diffeomorphisms and its classifying spaces - Greifswald, October 2004.
  • Symplectic manifolds and mirror symmetry - Krakow, May 2004.
  • Homotopy decomposition of a group of symplectomorphisms of S^2 x S^2 -
    based on the paper by Silvia Anjos and Gustavo Granja - Warszawa, May 2004.
  • Homotopy properties of Hamiltonian representations - Warszawa, March 2004.
  • A new proof of Reznikov's theorem - Warszawa, March 2004.
  • Homotopy properties of Hamiltonian representations - Muenchen, February 2004.
  • Topology of diffeomorphism groups - Srni, January 2004.
    • 2003
  • Topology of diffeomorphism groups and their classifying spaces - Goettingen, November 2003.
  • Vanishing theorems for flux groups - Muenchen, October 2003.
  • Groups of symplectormorphisms have complicated topology
    • Oberwolfach, June 2003;
    Geometry in Lisbon Seminar, July 2003;
    2002
  • Characteristic classes of smooth fibrations
    • Ludwig-Maximilians-University in Munich - January 2002;
    Seminar impanga in Warsaw - January 2002;
    Institute for Advanced Study in Princeton - April 2002;
    SUNY at Binghamton - April 2002;
    Ecole Polytechnique, Paris - March 2003;
  • Gromov-Witten invariants and restrictions on the topology of symplectic fibrations
    • Algebraic Topology Seminar, University of Warsaw - January 2002;
    Ecole Polytechnique, Paris - March 2003;
    Conference on Geometry in Bedlewo.
  • Simple examples of nontrivial Gromov-Witten invariants
    • University of Wroclaw - January 2002;
    Seminar impanga - February 2002;
  • Seidel's representation - Seminar impanga - May 2002;