Co-organizer of the Abel Symposium 2025, 23–27
June 2025 at NTNU.
Motivic
homotopy in interaction, 4–8 November 2024 at CIRM
Luminy.
Co-organizer of the Norwegian Topology
Meeting, 15–16 August 2024 at NTNU.
Algebra & Geometry Seminar, 16 November 2023
at Arctic University in Tromsø.
MFO-RIMS
Tandem Workshop 2023: Arithmetic Homotopy and Galois Theory, 24–29
September 2023 at MF Oberwolfach - poster.
NMF
Annual Meeting, 15 September 2023 in
Bergen.
Homotopy
Theory in Trondheim, 26–30 June 2023 at
NTNU.
A
Panorama of Homotopy Theory — A Conference in Honour of Mike
Hopkins, 05–09 June 2023 at Oxford University.
Conference on
Motivic and Equivariant Topology, 15–17 May 2023 at Swansea
University, UK.
Geometry,
Topology & Physics (GTP) Seminar,
08 March 2023 at New York University Abu Dhabi,
UAE.
Online
research seminar : Algebra, Geometry & Physics, 23 March 2021 at
MPIM Bonn/HU Berlin.
Colloque 2019
du GDR 2875, Topologie Algébrique et Applications, 28–31 October
2019 at Université d’Artois, France.
Workshop:
Algebraic K-Theory, 23–29 June 2019 at MF
Oberwolfach.
Derived algebraic
geometry and chromatic homotopy theory, 24–28 September 2018 at
Isaac Newton Institute in Cambridge, UK.
Pure
mathematics in Norway - Norsk matematisk forenings 100 års-jubileum,
13–14 September in Bergen.
Co-organizer of the
Abel Symposium 2018,
4–8 June 2018 in Geiranger, Norway.
Mini-Workshop:
Arithmetic Geometry and Symmetries around Galois and Fundamental
Groups, 15–21 April 2018 at MF
Oberwolfach.
Arithmetic
and Analysis - A conference on the occasion of Christopher
Deninger’s 60th birthday, 9–13 April 2018 at Math. Institut
Münster.
Guest
Seminar Arithmetic Geometry, 16 November 2017, FU
Berlin.
Modern
Moduli Theory, 25–29 September 2017, CMI, Oxford
University.
Séminaire
de l’Équipe Topologie Algébrique, 14 September 2017,
Université Paris XIII.
Seminar on Algebro-geometric and homotopical
methods, 20 April 2017, Institut
Mittag-Leffler in Stockholm.
Algebro-geometric
and homotopical methods, Spring 2017, Institut
Mittag-Leffler in Stockholm.
Co-organizer of the conference Topology and
Applications, 30 November–2 December 2016,
NTNU.
UiO Topology
Seminar, 18 October 2016 at University of
Oslo.
Workshop on Grothendieck-Teichmüller Theories,
24–30 July 2016 at Chern Institute of Mathematics,
Tianjin, China.
Algebraic K-theory and Motivic Cohomology, 26
June–2 July 2016 at MF Oberwolfach.
Arithmetic
L-functions and Differential Geometric Methods (Regulators IV),
23–28 May 2016 at Institut de Mathématiques de Jussieu,
Paris.
27th Nordic
Congress of Mathematicians, Celebrating 100th anniversary of
Institut Mittag-Leffler, 16–20 March 2016.
International
Workshop on Motives, 15–19 February 2016, Tokyo
University.
Mathematics Colloquium, 14 December 2015 at Rikkyo
University, Tokyo.
Mathematics
Colloquium, 10 December 2015 at KAIST, South
Korea.
Manifolds
Unlocking Higher Structures, 28 September–2 October 2015, CMI,
Oxford.
Nordic
Topology Meeting, 27–28 August 2015 at Stockholm Topology
Centre.
Nordic Topology
Meeting, 27–28 November 2014 at NTNU.
Representation
theory and K-theory: a conference in celebration of the 70th birthday of
Eric Friedlander, May 19–22, 2014 at USC Los
Angeles.
Motivic
and étale homotopy theory, March 24–28, 2014 at University
of Heidelberg.
Lecture
Series on étale homotopy theory, March 18–20, 2014 at
University of Heidelberg.
Topology Seminar, December 2013,
University of Wuppertal.
International
Workshop on Motives, November 25–29, 2013 at Tokyo
University.
Algebra Seminar, November 2013,
University of Nagoya.
Séminaire Algèbre et Topologie, November 2013,
Université de Strasbourg.
Séminaire
de géométrie algébrique de Jussieu, November 7, 2013 at
Institut de Mathématiques de Jussieu, Paris.
Topology Seminar, July 2013, University
of Bonn.
Homotopical
Methods in Algebraic Geometry, May 28–June 1, 2013 at USC
Los Angeles.
Seminar in Algebraic Geometry, January 2013,
LMU Munich.
GK-Colloquium, January 2013, University
of Regensburg.
Workshop
on Arithmetic Geometry and Homotopy Theory, May 31-June1, 2012 at
Imperial College London.
Topology Seminar, February 2012, Wayne
State University, Detroit.
Topology Seminar, October 2011,
University of Virginia.
Algebra Seminar, August 2011 at USC Los
Angeles.
Summer
School on Rigidity theorems in A1-homotopy theory, August
2011 at University of Regensburg, Germany.
MIT Topology Seminar, May 2011.
Workshop on Arithmetic and Motivic Algebraic
Geometry, February 14–18, 2011 at University of
Regensburg, Germany.
International
Workshop on Motives, December 13–17, 2010 at Tokyo
University.
Development of
Galois-Teichmüller Theory and Anabelian Geometry, October 25–30,
2010 at RIMS in Kyoto.
Galois-theoretic
Arithmetic Geometry, October 19–24, 2010 at RIMS in
Kyoto.
GAeL XVIII, June 6–11, 2010 at
University of Coimbra, Portugal.
Algebraic Geometry Seminar, May 2010, University
of Essen.
Mathematics Colloquium, April 2010, Alfred Renyi
Institute of Mathematics Budapest.
Topology Seminar, March 2010, University
of London Ontario, Canada.
The arithmetic of fundamental groups, February
8–12, 2010 in Heidelberg.
MIT Topology Seminar, October 2009.
Co-organizer of the Workshop on Motivic
Homotopy Theory in July 2009 which was supported by SFB 478
Geometrische Strukturen in der Mathematik. Here are the
program and the
list of
participants.