Talks

2017

November 27th 2017, at the Séminaire Géométrie, Dynamique et Topologie of the Institut de Mathématiques de Marseille: L'homologie de Khovanov-Rozansky entre les nœuds positifs et négatifs.

November 24th 2017, at the Séminaire Topologies of the Institut Montpelliérain Alexander Grothendieck: Graphes planaires et clôtures de tresses positives.

June 27th 2017, at the workshop Quantum topology and categorified representation theory at the Isaac Newton Institute in Cambridge: An Upsilon-like invariant from Khovanov-Rozansky homology.

April 27th 2017, at the Séminaire de Topologie et Géométrie in Geneva: L'homologie de Khovanov-Rozansky entre les nœuds positifs et négatifs.

April 5th 2017, at the University of Zurich: Khovanov-Rozansky homology in between positive and negative knots.

March 27th 2017, at the Séminaire quantique in Strasbourg: Khovanov-Rozansky homology in between positive and negative knots.

February 16th 2017, at the seminar of the programme Homology theories in low dimensional topology at the Isaac Newton Institute in Cambridge: The Seifert form's optimal bounds for slice genera.

2016

October 26th 2016, at the Seminar on knot concordance and 4-manifolds of the Topology Trimester at the HIM (Bonn): Slice genus bounds from the Seifert form.

May 4th 2016, at Oberseminar Globale Analysis of the University of Regensburg: Seifert Form and Slice Genus of Knots.

February 23rd 2016, at the BIRS Workshop about Synchronizing Smooth and Topological 4-Manifolds in Banff: Upper bounds for the topological slice genus of knots.

2015

September 15th 2015, at the Topology Seminar of the IMJ in Paris: Théorie des nombres et genre slice topologique des nœuds.

June 13th 2015, at the special session Categorification of Quantum groups, Representations and Knot Invariants of the Joint AMS-EMS-SPM meeting in Porto: New quantum obstructions to sliceness.

April 28th 2015, at the Zurich Graduate Colloquium: What is... a knot's slice genus?

April 15th 2015, at the Seminar "Quantum Groups and Low-Dimensional Topology" of the University Zurich: Khovanov-Rozansky homologies with non-standard potentials.

2014

November 19th 2014, at the Colloquium of Tohoku University: The asymptotic slice genus of alternating knots.

September 22nd 2014, at the Mathematical Colloquium of Bern: Quantum obstructions to sliceness of knots.

September 19th 2014, at the Knot Theory Session-Symposium of the DMV-PTM Joint Meeting in Poznań: Khovanov-Rozansky homologies induce non-additive four-ball genus bounds.

September 17th 2014, at the Oberwolfach Workshop "Topologie": Khovanov-Rozansky homologies induce non-additive four-ball genus bounds.

July 2nd 2014, in Regensburg: Neue Schranken für das vierdimensionale Geschlecht.

June 19th 2014, at the Institut de Mathématiques de Bourgogne: De nouvelles obstructions quantiques au genre slice des nœuds.

May 22nd 2014, at the MPI-Oberseminar: New quantum obstructions to sliceness.

April 28th 2014, at the Oberseminar Topologie of the WWU Münster: New quantum obstructions to smooth sliceness of knots.

January 21st 2014, at the Topology Seminar of the George Washington University: More on Khovanov-Rozansky concordance invariants.

January 19th 2014, at Knots in Washington XXXVII: The Khovanov-Rozansky concordance invariants.

January 8th 2014, at the Centre for Quantum Geometry of Moduli Spaces, Aarhus: The Khovanov-Rozansky concordance invariants.

2013

November 28th 2013, at the University of Geneva Séminaire de Topologie et Géométrie: The Khovanov-Rozansky concordance invariants.

November 6th 2013, at the Topology Reading Group, Durham: The Khovanov-Rozansky concordance invariants.

November 8th 2013, at the London Topology and Geometry Seminar: The Khovanov-Rozansky concordance invariants.

October 24th 2013, at the Boston College Geometry/Topology seminar: The Khovanov-Rozansky concordance invariants.

October 22th 2013, at the UC Davis Geometry/Topology seminar: The Khovanov-Rozansky concordance invariants.

October 22th 2013, at the UC Davis Student-Run Geometry/Topology seminar: An introduction to the Khovanov-Rozansky homologies.

October 20th 2013, at the Joint Los Angeles Topology Seminar: The Khovanov-Rozansky concordance invariants.

October 17th 2013, at Stony Brook's Thursday Topology Seminar: The Khovanov-Rozansky concordance invariants.

October 14th 2013, at an informal seminar at Columbia University: The Khovanov-Rozansky concordance invariants.

September 26th 2013, at the University of Zurich: The Khovanov-Rozansky concordance invariants.

June 17th 2013, at the Pure Maths Colloquium, Durham: Knot concordance, slice-torus homomorphisms and the Khovanov-Rozansky homologies.

June 5 2013, at the Workshop on "Geometry and topology of smooth 4-manifolds", Bonn: Distinguishing the Khovanov-Rozansky knot concordance invariants.

May 6th 2013, at the Université catholique de Louvain: The Rasmussen and other slice-torus knot concordance invariants.

April 26th 2013, at Young Topology Meeting: Knot Concordance.

April 5th 2013, at Swiss Knots: The Khovanov-Rozansky concordance invariants.

2012

October 8th, 2012, in the working group TQFT et catégorification (IMJ): Les bornes au genre lisse fournies par les homologies sl(n) sont distinctes.

February 29th, 2012, at the winterschool of la Llagonne, together with Pierre Dehornoy: L'espace de Teichmüller et sa compactification.

February 6th, 2012, at the conference Topologie quantique et catégorification: sl3-link homology and a Lower Bound for the Slice Genus and sl3-link homology of Knotted Webs and of their Branched Klein-Coverings.

2011

March 2011, at the winterschool of la Llagonne: Des nouvelles manières de calculer l'invariant de concordance de Rasmussen.

2010

December 9th, 2010, in an informal seminar (IMJ): Qu'est-ce qu'une suite spectrale?

October 11th, 2010, in the working group TQFT et Catégorification: Calcul de l'homologie de Khovanov et de l'invariant de Rasmussen.

April 15th, 2010, in an informal seminar (IMJ): La sphère de Poincaré.

March 3rd and 4th, 2010, together with Louis-Hadrien Robert and Christian Blanchet, at the winterschool of la Llagonne: Topological moduli spaces of knots about Allen Hatcher's draft of the same name.

February 22nd, 2010, in the working group Algèbre et Topologie quantiques: Représentation de U*-> sur la 2-catégorie des drapeaux about §6 of the paper of Khovanov and Lauda, see below.

February 15th, 2010, in the working group Algèbre et Topologie quantiques: Cohomologie des variétés de drapeaux à n pas about §5 of Khovanov and Lauda's paper A diagrammatic approach to categorification of quantum groups III.

Last update: November 13th, 2017.