Latest News

  1. The arXiv version of this paper was updated.
  2. This paper of mine is new on arXiv.
  3. This paper of mine was accepted.
  4. The arXiv version of this paper was updated.

My philosophy

"There are two ways to do mathematics. The first is to be smarter than everybody else. The second way is to be stupider than everybody else - but persistent." - based on a quotation from Raoul Bott.

Upcoming event

Quantum Knot Invariants and Supersymmetric Gauge Theories Click

Useful Links

  • Mathoverflow. Link
  • The n-lab. Link
  • The n-category cafe. Link
  • The Secret Blogging Seminar. Link
  • History of Mathematics archive. Link
  • Mathgen: randomly generated mathematics research papers. Link
  • Database of integer sequences. Link
  • Atlas of Lie groups and representations. Link
  • Theorem of the day. Link
  • ProofWiki. Link
  • Inkscape (for pictures). Link
  • MathJax. (Click for some examples.) Link
  • “Caution! Functor!”. Link
  • “Connections on ArXiv”. Image Original source. Link
  • Periodic table of finite simple groups. Link
  • Map projection transitions. Link
  • The library of babel. Link
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You can meet me

  1. Research visit, The University of Sydney, Sydney, Australia (March 2019). Click
  2. Research visit, Australian National University, Canberra, Australia (February/March 2019). Click, Click
  3. Aspects of higher representation theory: quantum groups and categorification, Vrije Universiteit Brussel (VUB) & Université libre de Bruxelles (ULB) & Université catholique de Louvain (UCL), Brussels, Belgium (January 2019). Click
  4. Categorification in quantum topology and beyond, Erwin Schrödinger International Institute for Mathematics and Physics, Vienna, Austria (January 2019). Click
  5. Research visit, University of Southern California, Los Angeles, United States (November 2018). Click
  6. Quantum Knot Invariants and Supersymmetric Gauge Theories, Santa Barbara, California, United States (November/December 2018). Click

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You could have met me

  1. In 2018
    • Colloquium talk, Zürich Graduate Colloquium, Switzerland (October 2018). Click
    • Seminar talk, ETH Zürich: Talks in mathematical physics, Switzerland (October 2018). Click
    • Research visit, Université de Genève, Genève, Switzerland (October 2018). Click
    • Interactions of low-dimensional topology and (higher) representation theory, Zürich, Switzerland (September 2018). Click (Organizer)
    • WARTHOG Workshop 2018 (Deligne-Lusztig Theory), Eugene (Oregon), United States (August 2018). Click
    • Summer School Geometric, Algebraic and Combinatorial Methods in Modular Representation Theory, Freiburg, Germany (July 2018). Click
    • Categorification and Higher Representation Theory, Institute Mittag-Leffler, Djursholm, Sweden (July 2018). Click
    • Research visit, Universität Bonn, Bonn, Germany (June 2018). Click
    • Research related visit, Universität Hamburg, Hamburg, Germany (June 2018). Click
    • Research visit, Universidade do Algarve, Faro, Portugal (June 2018). Click
    • Research visit, Universität Bonn, Bonn, Germany (May 2018). Click
    • Research visit, Centre for Quantum Geometry of Moduli Spaces (QGM), Aarhus, Denmark (April 2018). Click
    • Research visit, Universität Bonn, Bonn, Germany (March 2018). Click
    • Research visit, Universidade do Algarve, Faro, Portugal (February 2018). Click
    • Research visit, Universität Bonn, Bonn, Germany (February 2018). Click
    • Algebraic Structures in Topology and Geometry, Riederalp, Switzerland (January 2018). Click
    2.  
  2. In 2017
    • Symplectic Geometry and Representation Theory (Junior Hausdorff Trimester Program), Bonn, Germany, October till December 2017. More info (Organizer)
    • Workshop: $A_\infty$-structures in geometry and representation theory, Bonn, Germany (December 2017). More info
    • Workshop: Categorification, representation theory and symplectic geometry, Bonn, Germany (November/December 2017). More info (Organizer)
    • Winter school: Categorification, representation theory and symplectic geometry, Bonn, Germany (November 2017). More info (Organizer)
    • Workshop: Quantum geometric and algebraic representation theory, Bonn, Germany (October 2017). More info
    • Seminar on Representation Theory and Related Areas: 6th Workshop, Faro, Portugal (September 2017).
    • Research visit, Universidade do Algarve, Faro, Portugal (August/September 2017).
    • WARTHOG Workshop 2017 (Symplectic duality (the Abelian case)), Eugene (Oregon), United States (August 2017).
    • A conference on geometric representation theory, and related topics, Glasgow, Scotland (July 2017).
    • Workshop Quantum topology and categorified representation theory, Isaac Newton Institute, Cambridge, United Kingdom (June 2017). Stupid me: I am not on the conference photo!
    • Arbeitstagung 2017 on Physical Mathematics in honor of Yuri Manin's contributions to the field, Bonn, Germany (June 2017).
    • Hausdorff School Derived Noncommutative Geometry, Bonn, Germany (May/June 2017).
    • Research visit, Université catholique de Louvain (UCL), Louvain-la-Neuve, Belgium (May 2017).
    • Research visit, Universität Zürich, Zürich, Switzerland (April 2017).
    • Research visit, Uppsala universitet, Uppsala, Sweden (April 2017).
    • $2$-representation theory workshop, Uppsala, Sweden (April 2017).
    • Research visit, Universidade do Algarve, Faro, Portugal (February 2017).
    • Research visit, Columbia University, New York City, United States (February 2017).
    3.  
  3. In 2016
    • Research visit, Université catholique de Louvain (UCL), Louvain-la-Neuve, Belgium (October 2016).
    • Research visit, Université de Montpelliere, Montpellier, France (October 2016).
    • $1{}^1/{}_2$ day(s) for $2$-categories and $3$-manifolds, Montpellier, France (September 2016).
    • Research visit, Universidade do Algarve, Faro, Portugal (September 2016).
    • Lie Theory and Representation Theory Workshop 2016, Köln, Germany (August 2016).
    • WARTHOG Workshop 2016 (Knot homologies, Hilbert schemes, and Cherednik algebras), Eugene (Oregon), United States (July 2016).
    • Young Women in Representation Theory, Bonn, Germany (June 2016).
    • Workshop: Categorification, Bonn, Germany (May 2016). More info (Organizer)
    • Hausdorff School; Derived categories: dimensions, stability conditions, and enhancements, Bonn, Germany (March/April 2016).
    4.  
  4. In 2015
    • Research visit, University of Edinburgh, Edinburgh, Scotland (November 2015).
    • Panorama of Mathematics - A Conference of the Hausdorff Center, Bonn, Germany (October 2015).
    • Research visit, Universiteit Leiden, Leiden, Netherlands (October 2015).
    • Annual meeting of the Deutsche Mathematiker Vereinigung (DMV), Hamburg, Germany (September 2015).
    • Research visit, Universität Bonn, Bonn, Germany (July 2015).
    • Research visit, Universität Freiburg, Freiburg, Germany (July 2015).
    • Colloque Solstice, topic: representation theory and knot invariants, Paris, France (June 2015).
    • AMS-EMS-SPM international meeting, Oporto, Portugal (June 2015).
    • Research visit, ESI of the Universität Wien, Vienna, Austria (May 2015).
    • Research visit, Universität Bonn, Bonn, Germany (April 2015).
    • Research visit, Institute Mittag-Leffler, Stockholm, Sweden (April 2015).
    • Conference on the Interaction of Representation Theory with Geometry and Combinatorics, Hausdorff Research Institute for Mathematics (HIM), Bonn, Germany (March 2015). Stupid me: I am not on the conference photo!
    • Introductory Workshop connected to the Representation theory program at the Institute Mittag-Leffler, Uppsala, Sweden (February 2015).
    • Research visit, University of Sydney, Sydney, Australia (February 2015).
    5.  
  5. In 2014
    • Research visit, Université catholique de Louvain (UCL), Louvain-la-Neuve, Belgium (December 2014).
    • Research visit, Universität Bonn, Bonn, Germany (December 2014).
    • Research visit, TATA Institute of Fundamental Research (TIFR), Mumbai, India (November/December 2014).
    • QGM Nielsen Retreat 2014, Sandbjerg Estate, Sønderborg, Denmark (October 2014).
    • Oberwolfach Workshop: Topology, Oberwolfach, Germany (September 2014).
    • Algebraic Lie Theory and Representation Theory, LMS-CMI Research School, Glasgow, Scotland (August 2014).
    • ICM Satellite Conference on Representation Theory and Related Topics, Daegu, South Korea (August 2014).
    • Research visit, Universität Zürich, Zürich, Switzerland (July 2014).
    • Categorification and geometric representation theory, Montréal, Canada (June 2014).
    • Research visit, Université catholique de Louvain (UCL), Louvain-la-Neuve, Belgium (May 2014).
    • Conference: Meeting of Mathematicians from India and Denmark, Kerala School of Mathematics (KSOM), Kerala, India (March 2014).
    • Research visit, TATA Institute of Fundamental Research (TIFR), Mumbai, India (March/April 2014).
    6.  
  6. Before 2014
    • Research visit, Universität Bonn, Bonn, Germany (October 2013).
    • Workshop quantum Mathematics and computation, Oxford, England (End September/ Begin October 2013).
    • Research visit, Universidade do Algarve, Faro, Portugal (End of September 2013).
    • Higher structures in China IV, Lanzhou, China (August 2013).
    • Summer school on category , Freiburg, Germany (August 2013).
    • Representation theory and categorification, Shanghai, China (June 2013).
    • Research visit, Universidade do Algarve, Faro, Portugal (End of May - Begin of June 2013).
    • A new look and knot invariants arising from representation theory with a via towards categorification, Bad Boll, Germany (March 2013).
    • Research visit, University Berkeley, Berkeley, United states (December 2012 - 2013).
    • Higher Structures in China III, Changchun, China (August 2012).
    • Oporto Meetings on Geometry, Topology and Physics, Oporto, Portugal (July 2012).
    • Topology and groups, Berlin, Germany (June 2012).
    • Winter braids II, Caen, France (December 2011).
    • Higher Structures in mathematics and physics, Göttingen, Germany (December 2011).
    • Quantum groups, categorification and braids, Strasbourg, France (September 2011).
    • Swiss knots - knot theory and algebra, Thun, Switzerland (May 2011).