Upcoming/Recent events
  • 2019. Mini-workshop on operator algebraic quantum groups. Oberwolfach (organizer).

  • 2019. Workshop mathematics of quantum information theory. Leiden (organizer).

  • January 2019. Workshop on quantum groups. Tehran.
    Title: Quantum Markov semi-groups, gradient forms and BMO-spaces.

  • October 2018. Oslo.

  • September 2018. Workshop Non-commutative Analysis and Positivity. Delft.
    Title: Quantum Markov semi-groups, gradient forms and BMO-spaces.

  • August 2018. Seminar at UNSW Sydney.
    Title: Gradient forms and strong solidity of free quantum groups

  • July 2018. Workshop on Cuntz-Pimsner cross pollination. Leiden (Lorentz Center).
    Title: Gradient forms and strong solidity of free quantum groups

  • May 2018. Interactions between Operator Space Theory and Quantum Probability with Applications to
    Quantum Information. Oberwolfach.
    Title: Gradient forms and strong solidity of free quantum groups

  • March 2018. Seminar at QuTech, Delft.
    Title: Gradient forms and strong solidity of free quantum groups

2017
  • November 2, 2017. Delft.
    Title: Non-commutative Markov semi-groups: harmonic analysis and approximation.

  • October 20, 2017. Seminar. Leuven.
    Title: BMO-spaces and Free Araki-Woods factors.

  • June 19, 2017. Colloquium.Delft.
    Title: Non-commutative harmonic analysis and perturbations of commutators.

  • May 29 - June 2, 2017. Order Structure, Jordan Algebras and Geometry. Leiden (Lorentz Center).

  • May 18- May 22, 2017. Chinese harmonic analysis annual meeting.Wuhan.
    Title: Weight lifting with ultrapowers.

  • May 15- May 19, 2017. Conference Topological quantum groups and harmonic analysis.Seoul.
    Title: Weight lifting with ultrapowers.

  • February 20- March 31, 2017. Research visit. Sydney.
    Title: Absence of Cartan subalgebras for Hecke von Neumann algebras.

  • May 6- 10, 2017. Conference Non-commutativve analysis.Chennai.
    Title: Weight lifting with ultrapowers.

  • January-February 2017. Research visit. IMPAN Warsaw (with Adam Skalski).
    Title: Perturbations of commutators and a problem of Nazarov and Peller.

2016
  • December 5 - December 9, 2016. Waterloo.
    Title: Absence of Cartan subalgebras for Hecke von Neumann algebras.

  • November 28 - December 2, 2016. UIUC Urbana-Champaign.
    Title: Absence of Cartan subalgebras for Hecke von Neumann algebras.

  • August 15-26, 2016. Lectures at summer school "Geometry" (aimed at bachelor students who are finishing their second or third year). Utrecht. link.
    Title: The geometry of discrete groups.

  • July 11-15, 2016. 7ECM satellite conference: Compact Quantum Groups. Greifswald. link.
    Title: Absence of Cartan subalgebras for Hecke von Neumann algebras.

  • May 9-13, 2016. Conference: Quantum groups: geometry, representations, and beyond. Oslo.
    Title: Absence of Cartan subalgebras for Hecke von Neumann algebras.

  • March 1-10, 2016. Research visit at IPM. Tehran.
    Lectures covering approximation properties of operator algebras, graph products and their deformations.

  • February 7-13, 2016. Mini-Workshop: Operator Spaces and Noncommutative Geometry in Interaction. Oberwolfach.
    Title: Hecke von Neumann algebras, operator spaces and absence of Cartan subalgebras

  • January 25-29, 2016. Winter school on "Banach Methods in Noncommutative Geometry: Isomorphism conjectures and geometry of groups". Link. Münster. (organizer).

  • January 11-15, 2016. Research visit + NCG seminar at IMPAN. Warsaw.
    Title: Absence of Cartan subalgebras for Hecke von Neumann algebras
2015
  • October 29-30, 2015. GQT Colloquium. link. Woudschoten.
    Title: Approximation properties of quantum groups and their operator algebras

  • October 19-20, 2015. ANR meeting. Espaces d'opérateurs, espaces Lp non-commutatifs, probabilités non-commutatives et applications à la théorie quantique de l'information. Paris.
    Title: Weak type commutator and Lipschitz estimates

  • September, 2015. Nijmegen.
    Title: Noncommutative De Leeuw theorems

  • August 17-21, 2015. YMCA (Young Mathematicians in C*-Algebras). link. Copenhagen.
    Title: Noncommutative De Leeuw theorems

  • July 13-17, 2015. Workshop on C*-algebras: Geometry and Actions. link. Münster.
    Title: Non-commutative commutator and Lipschitz estimates

  • July, 2015. School on Topological Quantum Groups. link. Bedlewo.
    Lecture series: Locally compact quantum groups.

  • June 14th-June 20th, 2015. Oberwolfach meeting on Noncommutative Geometry.
    Title: Noncommutative De Leeuw theorems

  • April 16th, 2015. Staffcolloquium. Leiden.
    Title: Noncommutative De Leeuw theorems

  • March 9th-13th, 2015. Conference on Algebraic and Analytic Aspects of Quantum Lévy Processes. Greifswald.
    Title: The Haagerup property for arbitrary von Neumann algebras and quantum Dirichlet forms

2014
  • December 15th-19th, 2014. Conference on Operator Spaces and Quantum Probability. Besancon.
    Title: Graph products of operator algebras

  • December 11, 2014. Glasgow.
    Title: Noncommutative De Leeuw theorems

  • December 2nd, 2014. GAGA seminar. Utrecht.
    Title: The Haagerup property for arbitrary von Neumann algebras

  • November 19, 2014. Seminar. Oslo.
    Title: The Haagerup property for arbitrary von Neumann algebras

  • Sept 27/28, 2014. Wabash mini-conference Indianapolis.
    Title: Noncommutative De Leeuw theorems

  • Sept 25, 2014. Analysis seminar UIUC Illinois.
    Title: The Haagerup property for arbitrary von Neumann algebras

  • Juli 28th-Aug 1st, 2014. Research visit at Paris 7. With Pierre Fima.

  • June, 2014. Conference on Banach methods in Noncommutative Geometry, see here. Wuhan.
    Title: The Haagerup property for arbitrary von Neumann algebras

  • May, 2014. Workshop Quantum Groups and Operator Spaces. Fields Institute. Toronto. See here.
    Title: The Haagerup property for arbitrary von Neumann algebras

  • May 7-9, 2014. Workshop Quantum Groups and Operator Algebras (organizer). Münster.

  • March 21st, 2014. Operator Algebra seminar. Leuven.
    Title: On approximation properties of (quantum) groups and von Neumann algebras.

  • March 6th, 2014. Seminar, University of Warsaw.
    Title: Schur and Fourier multipliers of an amenable group acting on non-commutative Lp-spaces.

  • March 3rd, 2014. Non-commutative geometry seminar and research visit (with A. Skalski). IMPAN Warsaw.
    Title: Approximation properties of groups, quantum groups and von Neumann algebras: an overview.

  • February 17-28, 2014. Research visit + seminar, ICMAT (with J. Parcet). Madrid.
    Title: Schur and Fourier multipliers of an amenable group acting on non-commutative Lp-spaces.

  • January 21st, 2014. Oberseminar Münster.
    Title: The Haagerup property for arbitrary von Neumann algebras.

2013
  • Conference. Analysis, geometry and representation theory. Nagoya.
    Title: Schur and Fourier multipliers of an amenable group acting on non-commutative Lp-spaces.

  • Conference. Operator spaces, harmonic analysis and quantum probability. ICMAT Madrid.
    Title: The best constants for operator Lipschitz functions on Schatten classes.

  • Workshop. Approximation properties for quantum groups and harmonic analysis on quantum groups. Cergy-Pontoise/Paris.
    Title: Homological properties of quantum groups.

  • Oberseminar. Westfälische Wilhelms-Universität, Münster.
    Title: Schur and Fourier multipliers of an amenable group acting on non-commutative Lp-spaces.

  • Seminar. Université Lille 1, Laboratoire P. Painlevé.
    Title: Quantum groups and noncommutative Lp-spaces.

  • Seminar. Université Paris 6, Institut de Mathématiques de Jussieu.
    Title: Schur and Fourier multipliers of an amenable group acting on non-commutative Lp-spaces.

  • Seminar. Université Reims, Champagne Ardennes.
    Title: Quantum groups, Fourier theory and non-commutative Lp-spaces.

  • Seminar. Université Basse Normandie, Caen.
    Title: Schur and Fourier multipliers of an amenable group acting on non-commutative Lp-spaces.

  • Non-commutative geometry seminar. IMPAN, Warsaw.
    Title: Quantum groups, Fourier theory and non-commutative Lp-spaces.

2012
  • Workshop. Arbre de Noël: non-commutative geometry. Metz.
    Title: Quantum groups and non-commutative Lp-spaces.

  • Workshop. Operator algebras. Seoul.
    Title: The Lp-Fourier transform on locally compact quantum groups.

  • Journées du GDR. Analyse fonctionnelle, harmonique et probabilités. Paris.
    Title: The best constants for operator Lipschitz functions on Schatten classes.

  • Workshop. Operator spaces and quantum information theory. Lyon.
    Title: The best constants for operator Lipschitz functions on Schatten classes.

  • Conference. Quantum groups and non-commutative geometry. Oslo.
    Title: Quantum groups, Gelfand pairs and non-commutative Lp-spaces.

  • Congress. Dutch mathematical congress. Eindhoven.
    Title: Fourier analysis on quantum groups.

  • Workshop. Quantum groups. Nijmegen.
    Title: Locally compact quantum Gelfand pairs.

  • Seminar. Université Blaise Pascal, Clermont-Ferrand.
    Title: Quantum groups, Fourier theory and non-commutative Lp-spaces.

  • Seminar. Saarlandes Universität, Saarbrücken.
    Title: Quantum groups, Fourier theory and non-commutative Lp-spaces.

  • Seminar. Chungbuk National University, Cheongju.
    Title: Gelfand pairs of quantum groups.

  • Seminar on Mathematical Physics. Radboud Universiteit Nijmegen.
    Title: The best constants for operator Lipschitz functions on Schatten classes.

  • Operator algebra seminar. University of Copenhagen.
    Title: The Lp-Fourier transform on locally compact quantum groups.

  • Oberseminar. Georg-August Universität, Göttingen.
    Title: Gelfand pairs of quantum groups.

2011
  • Seminar. Monash University, Melbourne.
    Title: The Lp-Fourier transform on locally compact quantum groups.

  • Seminar. Monash University, Melbourne.
    Title: Gelfand pairs of quantum groups.

  • Seminar. University of New South Wales, Sydney.
    Title: The Lp-Fourier transform on locally compact quantum groups.

  • Seminar. Technische Universiteit Delft.
    Title: The Lp-Fourier transform on locally compact quantum groups.

2010
  • Conference. Quantum groups, free probability and non-commutative geometry. Lumini/Marseille.
    Title: The Lp-Fourier transform on locally compact quantum groups.

  • Conference. Quantum groups. Clermont-Ferrand.
    Title: Modular properties of matrix coefficients of corepresentations of a locally compact quantum group.

  • Operator algebra seminar. Katholieke Universiteit, Leuven.
    Title: Modular properties of matrix coefficients of corepresentations of a locally compact quantum group.

  • PhD Colloquium. Radboud Universiteit Nijmegen.
    Title: Modular properties of matrix coefficients of corepresentations of a locally compact quantum group.