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2025September 25th, at LiT III Living in Topology: Monodromies and visual primeness. April 8th, at the Algebra and Geometry seminar of Neuchâtel: The joy of not being a PID. 2024July 18th, at the Oberseminar Topologie in Bochum: Khovanov homology: combinatorial definition, geometric applications. June 27th, at the Low-dimensional topology seminar at MPIM Bonn: Homogeneous braids are visually prime. 2023April 27th, at the Séminaire de Topologie et Géométrie in Geneva: Untwisting and surfaces in 4-space. February 27th – March 3, at the Baby geometri seminar in Pisa: Minicourse An introduction to Khovanov homology and its applications. February 2nd, at the Kepler Kolloquium in Regensburg: Untwisting and surfaces in 4-space. January 24th, at the Oberwolfach Workshop "Morphisms in Low Dimensions": The joy of not being a PID. 2022December 21st, at the Oberseminar Geometrie in Fribourg: Unknotting, untwisting and surfaces in 4-space. December 15th, at the Zurich Topology Seminar: Rasmussen invariants of Whitehead doubles and other satellites. December 8th, at the Kolloquium of the Graduiertenkolleg 2491 Fourier Analysis and Spectral Theory in Göttingen: On Khovanov homology: a combinatorial construction with geometric applications. October 25th, at the BIRS Workshop about Using Quantum Invariants to do Interesting Topology in Oaxaca: Rasmussen invariants of Whitehead doubles and other satellites. May 18th, at the Georgia Topology Conference in Athens (I'll attend online): Khovanov homology and rational unknotting. February 8th, at Notre Dame Topology Seminar: Khovanov homology and rational unknotting. February 3rd, at the conference Recent developments in link homology theories at the SwissMAP Research Station: Khovanov homology and rational unknotting. January 12th, at Oberseminar Globale Analysis of the University of Regensburg: 2021March 25th, at the informal weekly LKS seminar: Sperner's lemma. March 19th, at a block seminar on 3-manifolds organized by Raphael Zentner: Murasugi sums and fibered links (talk shared with Filip Misev). March 9th, at a weekly online seminar on 4-manifolds of the MPIM Bonn: S-equivalence of matrices and isometries of linking forms (talk shared with Anthony Conway). 2020December 21st, at the HIOB seminar of the Regensburg SFB: Khovanov homology: a combinatorial tool with geometric applications. December 15th, at a weekly online seminar on 4-manifolds of the MPIM Bonn: Various characterizations of the Z-slice genus. May 29th, at the CIRGET Geometry and Topology Seminar: Squeezed knots. April 16th, at the [K-OS] Knot Online Seminar: Unknotting and cobordism distances. 2019October 24th, at the Kepler Kolloquium in Regensburg: September 16th, at the Workshop on 4-manifolds at the MPIM: June 18th, at the conference Knot concordance and low-dimensional manifolds in Le Croisic: May 9th, at the workshop at Matemale: April 16th, at the Topology Seminar of the IMJ in Paris: February 18th, at the Mathematical Colloquium of Bern: January 18th, at the Institut Fourier, Grenoble: 2018November 27th, at the Topology Seminar at the Math Institute of the University of Bonn: November 13th, at the Seminar Algebra and Geometry of the University of Basel: April 27th, at the Knot theory seminar at Warsaw University: April 17th, at the Seminar of the SFB Higher Invariants at Regensburg: March 15th, at the Boston College Geometry/Topology seminar: March 7th, at the conference Quantum Knot Homology and Supersymmetric Gauge Theories at the Aspen Center for Physics: 2017November 27th, at the Séminaire Géométrie, Dynamique et Topologie of the Institut de Mathématiques de Marseille: November 24th, at the Séminaire Topologies of the Institut Montpelliérain Alexander Grothendieck: June 27th, at the workshop Quantum topology and categorified representation theory at the
Isaac Newton Institute in Cambridge: April 27th, at the Séminaire de Topologie et Géométrie in Geneva: April 5th, at the University of Zurich: March 27th, at the Séminaire quantique in Strasbourg: February 16th, at the seminar of the programme Homology theories in low dimensional topology at the Isaac Newton Institute in Cambridge: 2016October 26th, at the Seminar on knot concordance and 4-manifolds of the
Topology Trimester at the HIM (Bonn): May 4th, at Oberseminar Globale Analysis of the University of Regensburg: February 23rd, at the BIRS Workshop about Synchronizing Smooth and Topological 4-Manifolds in Banff: 2015September 15th, at the Topology Seminar of the IMJ in Paris: June 13th, at the special session
Categorification of Quantum groups, Representations and Knot Invariants of the
Joint AMS-EMS-SPM meeting in Porto: April 28th, at the Zurich Graduate Colloquium: April 15th, at the Seminar "Quantum Groups and Low-Dimensional Topology" of the University Zurich: 2014November 19th, at the Colloquium of Tohoku University: September 22nd, at the Mathematical Colloquium of Bern: September 19th, at the Knot Theory Session-Symposium of the DMV-PTM Joint Meeting in Poznań: September 17th, at the Oberwolfach Workshop "Topologie": July 2nd, in Regensburg: June 19th, at the Institut de Mathématiques de Bourgogne: May 22nd, at the MPI-Oberseminar: April 28th, at the Oberseminar Topologie of the WWU Münster: January 21st, at the Topology Seminar of the George Washington University: January 19th, at Knots in Washington XXXVII: January 8th, at the Centre for Quantum Geometry of Moduli Spaces, Aarhus: 2013November 28th, at the University of Geneva Séminaire de Topologie et Géométrie: November 6th, at the Topology Reading Group, Durham: November 8th, at the London Topology and Geometry Seminar: October 24th, at the Boston College Geometry/Topology seminar: October 22th, at the UC Davis Geometry/Topology seminar: October 22th, at the UC Davis Student-Run Geometry/Topology seminar: October 20th, at the Joint Los Angeles Topology Seminar: October 17th, at Stony Brook's Thursday Topology Seminar: October 14th, at an informal seminar at Columbia University: September 26th, at the University of Zurich: June 17th, at the Pure Maths Colloquium, Durham: June 5, at the Workshop on "Geometry and topology of smooth 4-manifolds", Bonn: May 6th, at the Université catholique de Louvain: April 26th, at Young Topology Meeting: April 5th, at Swiss Knots: 2012October 8th, in the working group TQFT et catégorification (IMJ): February 29th, at the winterschool of la Llagonne, together with Pierre Dehornoy: February 6th, at the conference Topologie quantique et catégorification at the CIRM: 2011March, at the winterschool of la Llagonne: 2010December 9th, in an informal seminar (IMJ): October 11th, in the working group TQFT et Catégorification: April 15th, in an informal seminar (IMJ): March 3rd and 4th, together with Louis-Hadrien Robert and Christian Blanchet, at the winterschool of la Llagonne: February 22nd, in the working group Algèbre et Topologie quantiques: February 15th, in the working group Algèbre et Topologie quantiques: |
sur la 2-catégorie des drapeaux
about §6 of the paper of Khovanov and Lauda, see below.| Last update: 27 October 2025. |