Travel and talks

12th-16th September 2022 - DMV-Jahrestagung, Berlin.

6th-14th July 2022 - ICM, St Petersburg.

9th November 2021 - Algebraic Topology seminar, Warwick.

10th-15th October 2021 - Cohomology of Arithmetic Groups, Banff/online.

21st-23th September 2021 - The unity of mathematics: A conference in honour of Sir Michael Atiyah, Cambridge/online.

5th-7th July 2021 - Operads, Calculus, and Homotopy theory methods in Topology, Lille/online. (Video)

21st-25th June 2021 - Manifolds and K-Theory: the legacy of Andrew Ranicki, online.

23rd-29th May 2021 - Cellular Ek-algebras, Oberwolfach/online. (Notes)

14th April 2021 - Building Bridges Seminar, online. (Notes)

13th April 2021 - Regensburg SFB-Lecture, online. (Slides)

18th January 2021 - Oxford topology seminar, online. (Slides)

9th November 2020 - Muenster topology seminar, online. (Slides)

5th November 2020 - Princeton algebraic topology seminar, online. (Slides)

14th September 2020 - MIT topology seminar, online. (Slides)

27th August 2020 - Copenhagen Centre for Geometry and Topology, online. (Slides)

26thJuly-1st August 2020 - Topologie, online.

28th April 2020 - Bonn topology seminar, online. (Slides)

9th-15th February 2020 - Manifolds and groups, Oberwolfach.

16th January 2020 - electronic Computational Homotopy Theory Seminar, online. (Video, Slides)

11th October 2019 - Colloquium, Warwick.

7th October 2019 - Colloquium, Durham.

30th September-4th October 2019 - Clay research conference and workshops, Oxford. (Video, Slides)

2nd-6th September 2019 - Automorphisms of Manifolds, Bonn. (Video 1, Video 2)

8th-12th July 2019 - Four Manifolds: Confluence of High and Low Dimensions, Toronto.

24th-28th June 2019 - SYM 10 Years Old, Copenhagen.

15th June 2019 - Séminaire Bourbaki, Paris. (Video, notes)

13th-17th May 2019 - Johnson homomorphisms and related topics, Tokyo.

8th-12th April 2019 - Talbot, McCullough County, TX.

1st-5th April 2019 - Geometry at infinity, Muenster.

5th March 2019 - INteresantísimo SEminario de Geometría y TOpología, Málaga.

13th-20th January 2019 - Harvard.

12th October 2018 - Geometry and Topology seminar, Imperial College, London.

2nd-6th July 2018 - Topologie, Oberwolfach. (Abstract)

18th-23rd June 2018 - Manifolds, Groups, and Homotopy, Skye. (Slides)

15th-16th February 2018 - K-theory, A1-homotopy and quadratic forms, Warwick.

14th-15th December 2017 - Bavarian Geometry and Topology Meeting II, Augsburg.

11th-15th September 2017 - Algebraic Topology of Manifolds, Oxford.

26th-30th June 2017 - Analysis and Topology in Interaction, Cortona.

5th-9th June 2017 - Groups, Manifolds, and K-theory, Muenster.

22nd-26th May 2017 - Johnson-Morita theory and related topics, Tokyo.

20th-21st April 2017 - Moduli and Traces: A celebration of the mathematical life of Ib Madsen, Copenhagen.

3rd-6th April 2017 - British Mathematical Colloquium, Durham.

16th March 2017 - Topology seminar, Queen Mary, London.

13th March 2017 - OAC-manifolds, Oxford.

5th-12th January 2017 - University of Copenhagen.

19th-23rd September 2016 - European Autumn School in Topology, the woods close to Utrecht.

9th September 2016 - OAC-manifolds, Cambridge.

6th-7th September 2016 - TTT, Manchester.

18th July-23rd July 2016 - Topologie, Oberwolfach. (Abstract)

4th July-8th July 2016 - Young Topologists Meeting, Copenhagen.

27th June-1st July 2016 - Topology of manifolds: a conference in honour of Michael Weiss' 60th birthday, Lisbon.

9th May 2016 - OAC-manifolds, Aberdeen.

11th March 2016 - Scottish Topology Seminar, Edinburgh.

22nd-23rd February 2016 - OAC-manifolds, Oxford.

18th February 2016 - Warwick University.

14th-17th December 2015 - Aspects of Homotopy Theory, Southampton.

14th October 2015 - Columbia University, New York.

6th October 2015 - Topology seminar, Stanford University, Palo Alto.

4th October-5th December 2015 - Stanford University, Palo Alto.

28th September-2nd October 2015 - Manifolds Unlocking Higher Structures, Clay Mathematical Institute Workshop, Oxford.

21st September 2015 - Moduli spaces and their applications, Liverpool.

27th July-21st August 2015 - Hausdorff Centre for Mathematics, Bonn.

29th June-10th July 2015 - PIMS Symposium on the Geometry and Topology of Manifolds, Vancouver.

4th-8th May 2015 - Introductory school: Homotopy theory, manifolds, and field theories, HIM, Bonn. (Video: Lecture 1 / Lecture 2 / Lecture 3)

13th-15th April 2015 - Stockholm.

20th-28th March 2015 - Teichmüller Modular Groups: A Celebration of Nikolai Ivanov's 60th Birthday, Chicago.

23rd February 2015 - Southampton.

19th January 2015 - Oxford.

14th-16th December 2014 - Aberdeen.

15th-20th September 2014 - Topologie, Oberwolfach. (Abstract)

9th-12th August 2014 - ICM Satellite Conference on Algebraic Topology, Dalian, China.

23rd-27th June 2014 - Manifolds, K-theory, and related topics, Dubrovnik.

16th-20th June 2014 - Analysis and Topology in Interaction, Cortona.

9th-13th June 2014 - Summer school, Münster. (Video: Lecture 1 / Lecture 2 / Lecture 3 / Lecture 4)

7th-10th April 2014 - BMC, Queen Mary, London.

27th February 2014, MSRI Research Seminar.

17th February 2014, Rice University, Houston TX.

11th February 2014, Stanford University.

27th January-28th February 2014 - Algebraic Topology programme, MSRI, Berkeley. (Video)

2nd December 2013 - University of Glasgow.

18th November 2013 - University of Manchester.

10th-13th October 2013 - Cohomology of the moduli space of curves, Zürich.

9th-11th September 2013 - British Topology Meeting, Aberdeen. (Slides)

26th-30th August 2013 - Homological stability workshop, Copenhagen.

15th-16th May 2013 - Institut de Mathématiques de Jussieu.

2nd May 2013 - University of Sheffield.

8th-19th April 2013 - Stanford University, Palo Alto.

25th-28th March 2013 - BMC 2013, Sheffield.

17th-19th December 2012 - Aspects of Topology, Oxford.

7th December 2012 - Topology seminar, Nottingham.

4th-5th December 2012 - SFB seminar and Algebraic Geometry seminar, Humboldt University, Berlin.

16th November 2012 - Quarterly seminar on Geometry and Topology, Amsterdam.

29th October 2012 - Oxford.

19th-21st October 2012 - XIX Encuentro de Topología, La Coruña. (Slides, Slides in English)

17th-22nd September 2012 - Topologie, Oberwolfach. (Abstract).

6th-8th September 2012 - British Topology Meeting, Cambridge.

20th-26th August 2012 - Arolla. (Slides)

23rd-27th July 2012 - Stanford, Algebraic Topology:Applications and New Directions.

25th-29th June 2012 - Luminy, Homotopical Algebra and Its Applications.

3rd-6th May 2012 - Westfälischen Wilhelms-Universität Münster, 17th NRW meeting.

6th-10th February 2012 - Universitat de Barcelona.

23rd-26th January 2012 - MPIM, Bonn.

26th-27th October 2011 - Edinburgh. (Video)

24th-25th October 2011 - Glasgow.

5th-7th October 2011 - ETH, Zurich.

26th-30th September 2011 - MIT, Boston.

3rd-23th July 2011 - "Moduli Spaces of Riemann Surfaces" at the Park City Math Institute, Utah.

2nd-13th May 2011 - Stanford University, Palo Alto, visiting Soren Galatius.

25th-29th April 2011 - "The Kervaire invariant and stable homotopy theory" at the ICMS, Edinburgh.

27th-29th October 2010 - NTNU.

19th-25th September 2010 - Topologie, Oberwolfach. (Abstract).

6th-8th September 2010 - 25th British Topology Meeting, Oxford.

9th-14th August 2010 - West coast algebraic topology summer school, Eugene, Oregon.

1st-8th August 2010 - Stanford University, Palo Alto.

11th-24th April 2010 - Stanford University, Palo Alto, visiting Soren Galatius.

23rd March 2010 - Warwick University.

1st-5th February 2010 - Visiting the Copenhagen Topology department.

14th-15th September 2009 - 24th British Topology Meeting, in Leicester.

8th-11th June 2009 - 25th Nordic and 1st British-Nordic Congress of Mathematicians, in Oslo.

24th-30th May 2009 - Manifold Perspectives, Oberwolfach. (Abstract).

11th-15th May 2009 - University of Bonn, visiting Johannes Ebert.

6th-20th January 2009 - Stanford University, Palo Alto, visiting Soren Galatius.

8th-9th December 2008 - University of Sheffield.

18th-24th August 2008 - Third Arolla Conference on Algebraic Topology in Arolla, Switzerland.

23rd-27th June 2008 - "Homotopical Group Theory and Topological Algebraic Geometry Conference" at the Max Planck Institute, Bonn.

16th-20th June 2008 - "Homotopical Group Theory and Topological Algebraic Geometry Workshop" at the University of Copenhagen.

26th-31st May 2008 - "Topology in the Swiss Alps" Young Topologists' Meeting in Le Châtelard, Switzerland.

21st-25th April 2008 - Westfälischen Wilhelms-Universität Münster, visiting Ulrike Tillmann.