Slides

I try to prepare a LaTex beamer presentation for all talks. If I gave a LaTex beamer-talk, then I will upload the corresponding slides here. Talks without a LaTex beamer presentation are not mentioned. Note that these are delivered as they are, with no attempt at improving them.

  1. Talks given in 2018
    • Topic: Generalizing zigzag algebras - Or: It's all about polynomials, Talk at the University of Southern California (November 2018). Slides
    • Topic: What is...($2$-)representation theory? - Or: A (fairy) tale of matrices and functors, Colloquium talk at the ETH Zürich and the Universität Zürich (October 2018). Slides
    • Topic: $2$-representation theory in a nutshell - Or: $\mathbb{N}_{0}$-matrices, my love, Talk at the ETH Zürich (October 2018). Slides
    • Topic: A tale of dihedral groups, $\mathrm{SL}(2)$, and beyond - Or: $\mathbb{N}_{0}$-matrices, my love, Talk at the Universität Freiburg (July 2018). Slides
    • Topic: Di- and trihedral ($2$-)representation theory I - Or: Who colored my Dynkin diagrams?, Talk at the Institute Mittag-Leffler (July 2018). Slides; Part II by Marco Mackaay: Slides
    • Topic: $2$-representation theory in a nutshell - Or: A tale of matrices and functors, Talk at the Universität Hamburg (June 2018). Slides
    • Topic: Link invariants and orbifolds - Or: What makes types $\mathrm{ABCD}$ special?, Talk in Aarhus at the QGM (April 2018). Slides
    • Topic: Link invariants and $\mathbb{Z}/2\mathbb{Z}$-orbifolds - Or: What makes types $\mathrm{ABCD}$ special?, Talk at a conference in Riederalp (January 2018). Slides
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  3. Talks given in 2017
    • Topic: Categorical representations of dihedral groups - Or: $\mathbb{Z}_{\geq 0}$-valued matrices, my love, Talk at the Universidade do Algarve (September 2017). Slides
    • Topic: Webs and $\mathrm{q}$-Howe dualities in types $\mathbf{BCD}$ - Or: “Howe” not to define link invariants, Talk at University of Cambridge (June 2017). Slides
    • Topic: $2$-representation theory of Coxeter groups: a biased survey - Or: The next generation of representation theory of Coxeter groups!?, Talk at Universität Zürich (April 2017). Slides
    • Topic: Webs and $\mathrm{q}$-Howe dualities in types $\mathbf{BCD}$ - Or: A story about “howe” I failed, Talk at Uppsala universitet (April 2017). Slides
    • Topic: $2$-representation theory of Coxeter groups: some first steps - Or: The next generation of representation theory of Coxeter groups!?, Talk at Columbia University (February 2017). Slides
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  5. Talks given in 2016
    • Topic: Some first steps towards $2$-representation theory of Coxeter groups - Or: The next generation of representation theory of Coxeter groups!?, Talk at the Université catholique de Louvain (October 2016). Slides
    • Topic: Some first steps towards $2$-representation theory of Coxeter groups - Or: The next generation of representation theory of Coxeter groups!?, Talk at the Université de Montpellier (October 2016). Slides
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  7. Talks given in 2015
    • Topic: (Singular) TQFTs, link homologies and Lie theory - Or: Fun with singular surfaces, Talk at the School of Mathematics of the University of Edinburgh (November 2015). Slides
    • Topic: (Singular) TQFTs, link homologies and Lie theory - Or: A story of foams and , Talk at the School of Mathematics of the University of Edinburgh (November 2015). Slides
    • Topic: Web calculi in representation theory - Or: The diagrammatic presentation machine, Talk at Mathematisch Instituut of the Universiteit Leiden (October 2015). Slides
    • Topic: Cellular structures using -tilting modules - Or: Centralizer algebras are fun!, Talk at the 2015 annual meeting of the Deutschen Mathematiker-Vereinigung (DMV), Hamburg (September 2015). Slides
    • Topic: Web calculi in representation theory - Or: The diagrammatic presentation machine, Talk at Max-Planck-Institut for mathematics (MPIM) of the Universität Bonn (August 2015). Slides
    • Topic: Cellular structures using -tilting modules - Or: Centralizer algebras are fun!, Talk at the Mathematisches Institut of the Universität Freiburg (July 2015). Slides
    • Topic: From dualities to diagrams - Or: The diagrammatic presentation machine, Talk at the Institut de Mathématiques de Jussieu (IMJ) in Paris (June 2015). Slides
    • Topic: -diagram categories via super -Howe duality - Or: The diagrammatic presentation machine, Talk at the Mathematics Department of the Faculty of Sciences of the University of Porto (June 2015). Slides
    • Topic: From dualities to diagrams - Or: The diagrammatic presentation machine, Talk at the Erwin Schrödinger Institute (ESI) in Vienna (May 2015). Slides
    • Topic: Cellular structures using -tilting modules - Or: Centralizer algebras are fun!, Talk at the Mathematisches Institut of the Universität Bonn (April 2015). Slides
    • Topic: -diagram categories via -Howe duality - Or: From dualities to diagrams, Talk at the Hausdorff Research Institute for Mathematics (HIM) in Bonn (March 2015). Slides
    • Topic: -diagram categories via -Howe duality - Or: “Howe” to make diagrammatic categories work!, Talk at the University of Sydney (February 2015). Slides
    • Topic: -diagram categories via -Howe duality - Or: “Howe” to make diagrammatic categories work!, Talk at the Université catholique de Louvain (February 2015). Slides
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  9. Talks given in 2014
    • Topic: Diagram categories for -tilting modules at roots of unity - Or: Fun with diagrams!, Talk at the QGM Nielsen Retreat 2014, Sandbjerg Estate (October 2014). Slides
    • Topic: Categorification in topology - Or: Fun with highest weight modules!, Minitalk at the MFO, Oberwolfach (September 2014). Slides
    • Topic: -highest weight theory governs -link homology, Talk at the Université catholique de Louvain (May 2014). Slides
    • Topic: -link homologies using -highest weight theory - the is not a typo!, Talk in Aarhus at the QGM (April 2014). Slides
    • Topic: Categorification: An introduction to -link homologies, Talk at the Kerala School of Mathematics (KSOM), Kerala (March 2014). Slides
    • Topic: -link homologies using -highest weight theory, Summary of my research in the first quarter 2014 at the Kerala School of Mathematics (KSOM), Kerala (March 2014). Slides
    • Topic: The diagrammatic beauty of - Part II, Talk at the TATA Institute (TIFR), Mumbai (March 2014). Slides
    • Topic: The diagrammatic beauty of - Part I, Talk at the TATA Institute (TIFR), Mumbai (March 2014). Slides
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  11. Talks given before 2014
    • Topic: -web bases, categorification and link invariants, Talk in Aarhus (November 2013). Slides
    • Topic: -web bases, intermediate crystal bases and categorification, Talk in Bonn (October 2013). Slides
    • Topic: Web bases and categorification, Talk in Aarhus at the QGM (October 2013). Slides
    • Topic: Categorification and applications in topology and representation theory, Talk in Göttingen (July 2013). Slides
    • Topic: Categorification and (virtual) knots, Talk in San Francisco (February 2013). Slides
    • Topic: The sl3 web algebra, Talk in Goslar (October 2012). Slides