talks

selected conference and seminar talks

2025:

2024:

  • 121st Meeting of the Transalpine Topology Tetrahedron, Sheffield (Dec)
  • New trends at the intersection of quantum information theory, quantum groups and operator algebras, Isaac Newton Institute, Cambridge (Dec) - video
  • SFB-Seminar, Regensburg (Oct)
  • GeNoCAS 2024 (Jun) - video
  • UK Operator Algebras Conference (Jun)

2023:

2022:

  • Non-commutative Geometry along the North Sea, Lorentz Center, Leiden (Jun)
  • Oberseminar Global Analysis and Geometry, Regensburg (Feb) - slides
  • Oberseminar Topologie, Göttingen (Jan)

2021:

  • Topology Seminar, University of Aberdeen (Nov)
  • Functional Analysis Seminar, Oxford (Nov)
  • Operator Algebra Seminar, Oslo (Apr)
  • Regensburg Seminar in Homotopy Theory and Related Areas (Apr)
  • Actions of Tensor Categories on C*-algebras 2021, Institute for Pure & Applied Mathematics (IPAM) (Jan) - video, slides

2020:

2019:

  • Pure Maths Colloquium, Southampton (Oct) - slides
  • Topology Seminar, Sheffield (Oct)
  • Operator Algebra Seminar, Glasgow (Oct)
  • 34th British Topology Meeting, Warwick (Sep)
  • Operator Algebras and Quantum Physics, Simons Center, New York (Jun)

2018:

  • Barcelona Weekend on Operator Algebras (Nov)
  • Operator Algebra Seminar, KU Leuven (Nov)
  • Algebra Seminar, Glasgow (Oct)
  • Operator Algebra Seminar, Copenhagen (Apr)
  • Kyoto Operator Algebra Seminar (Jan)

2017:

  • Analysis Seminar, Glasgow (Oct)
  • Subfactors, higher geometry, higher twists and almost Calabi-Yau algebras, Newton Institute, Cambridge (Mar) - video

2016:

  • 101st Meeting of the Transpennine Topology Triangle, Leicester (Nov)
  • Analysis Seminar, Loughborough (Nov)
  • Algebra and Topology Seminar, Swansea (Oct)
  • 31st Summer Conference on Topology and its Applications, Leicester (Aug) - slides
  • Wabash Analysis Seminar (Apr)
  • Analysis Seminar, Glasgow (Mar)
  • Topology Seminar, Aberdeen (Mar)
  • Waldhausen’s \(S_\bullet\)-construction (handwritten, in German), teaching examination talk for the habilitation, Münster (Jul) - slides
  • The Erdős-Szekeres Convex Polygon Problem, habilitation colloquium talk, Münster (Jul) - slides

2015:

  • Operator Algebra Seminar, Copenhagen (Oct)
  • Oberwolfach Workshop Noncommutative Geometry (Jun)
  • Operator Algebra Seminar, Copenhagen (Mar)
  • String Geometry Network Meeting, Greifswald (Feb)

2014:

  • Geometry and Quantum Theory, Zandvoort (Nov)
  • Methods of Noncommutative Geometry in Analysis and Topology, Hannover (Oct)
  • Quantum physics and non-commutative geometry, trimester Non-commutative Geometry and its Applications, HIM Bonn (Sep)
  • C*-Algebras and Dynamical Systems, Fields Institute, Toronto (Jul)

2013:

  • Analysis Seminar, Glasgow (Nov)
  • Twists, generalised cohomology and applications, Münster (Oct) - slides
  • String Geometry Network Meeting, MPI, Bonn (Oct)
  • Séminaires de l’équipe de Topologie Algébrique, Paris (Sep)
  • Operator Algebras Seminar at Purdue (Sep)
  • K-theory, BU and C*-algebras (Introductory Talk) and Unit spectra of K-theory via strongly self-absorbing C*-algebras (Main Talk), Berkeley Topology Seminar (Sep) - slides: introductory talk, slides: main talk
  • Operator Algebras Seminar at Purdue (Apr)
  • ICMS-Workshop: The structure and classification of nuclear C*-algebras, Edinburgh (Apr)

2012:

  • Strings and Automorphic Forms in Topology, Bochum (Aug)
  • Young Topologists Meeting 2012, Copenhagen (Jun)
  • 17th NRW Topology, Münster (May)

2006:

  • Von Neumann algebras and the Connes fusion tensor product, winter school “From field theories to elliptic objects”, Schloss Mickeln, Düsseldorf (Feb-Mar) - slides