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 C^{n}, Tokyo, January 2013.
On the autonomous metric on Diff(D^{2},area), Tokyo and Kyoto, January 2013.
**2012**
Monotone Lagrangian embeddings in C^{n}, 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 C^{n} 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;