Travel and talks
25th-28th March 2024 - Conference, Muenster.
26th November-1st December 2023 - Spaces of manifolds: algebraic and geometric approaches, Banff.
4th-6th October 2023 - Panorama of Mathematics, Bonn.
20th-22nd September 2023 - Centenaire de René Thom, IHÉS.
6th-12th August 2023 - Homotopy Theory, Oberwolfach.
15th-17th May 2023 - Homology of Configuration Spaces and related topics, Paris.
22nd March 2023 - UCL geometry seminar, London.
15th March 2023 - Seminario de topología algebraica y geométrica, Mexico (online).
25th November 2022 - YMSC Colloquium, Beijing (online). (Slides)
3rd-4th October 2022 - Ib Fest, Copenhagen.
26th-30th September 2022 - Clay research conference, Oxford.
12th-16th September 2022 - DMV-Jahrestagung, Berlin. (Slides)
24th-30th July 2022 - Topologie, Oberwolfach.
6th-14th July 2022 - ICM, at satellite event in Copenhagen. (Video, Slides)
27th-30th June 2022 - Homotopy Theory with Applications to Arithmetic and Geometry, Bonn. (Video)
27th May 2022 - Colloquium, Southampton.
16th May 2022 - COGENT Seminar, online.
2nd May 2022 - Topology seminar, Melbourne/online.
13th April 2022 - Colloquium, Princeton/online. (Slides)
7th February 2022 - Johnson homomorphisms and related topics, online.
10th January-12th February 2022 - Higher algebraic structures in algebra, topology and geometry, Stockholm. (Video)
4th-18th December 2021 - Copenhagen.
30th November 2021 - Seminar, Delhi/online. (Slides)
24th November 2021 - Colloquium, Sheffield/online. (Slides)
23rd November 2021 - Johnson homomorphisms and related topics, online.
9th November 2021 - Algebraic Topology seminar, Warwick.
10th-15th October 2021 - Cohomology of Arithmetic Groups, Banff/online. (Slides)
21st-23th September 2021 - The unity of mathematics: A conference in honour of Sir Michael Atiyah, Cambridge. (Video)
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.
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.
6th October 2015 - Topology seminar, Stanford University.
4th October-5th December 2015 - Stanford University.
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.
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.
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 - 27th 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 - Max Planck Institute for Mathematics.
26th-27th October 2011 - Edinburgh. (Video)
24th-25th October 2011 - Glasgow.
5th-7th October 2011 - ETH.
26th-30th September 2011 - MIT.
3rd-23th July 2011 - "Moduli Spaces of Riemann Surfaces" at the Park City Math Institute, Utah.
2nd-13th May 2011 - Stanford University.
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.
11th-24th April 2010 - Stanford University.
23rd March 2010 - Warwick University.
1st-5th February 2010 - University of Copenhagen.
14th-15th September 2009 - 24th British Topology Meeting, Leicester.
8th-11th June 2009 - 25th Nordic and 1st British-Nordic Congress of Mathematicians, Oslo.
24th-30th May 2009 - Manifold Perspectives, Oberwolfach. (Abstract).
11th-15th May 2009 - University of Bonn.
6th-20th January 2009 - Stanford University.
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 for Mathematics.
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.