Visiting Utrecht University, June 16-20, 2025.
Giving a semi-plenary talk at the 58th Spring Topology and Dynamics Conference, March 6-8, 2025.
Colloquium talk at University of Pittsburgh, January 17th, 2025.
Co-organizing a conference on Foliations and diffeomorphism groups at CIRM, Dec 9-13, 2024. [Problem List]
Visiting Gael Meigniez and Mehdi Yazdi in Marseille, July 28- Aug 3, 2024.
Attending a workshop on Scissors congruences, algebraic K-theory and Steinberg modules in AIM, July 8-12, 2024.
Speaking at Algebraic structures in Topology 2024, June 10-14, San Juan, PR.
Zoom talk in International Young Seminar on Bounded Cohomology and Simplicial Volume, June 3rd, 2024.
Giving two talks in KIAS, Seoul, Korea, May 12-18, 2024.
Co-organizing the geometric topology session in STDC 2024, March 6- 9, 2024.
Conference in the memory of Andre Haefliger, Geneva, Jan 16-19, 2024.
Giving talks in BGamma IV conference, Chuo University, Tokyo, Sep 2-8, 2023
Colloquium at Washington St. Louis, May 4, 2023.
Online seminar in Cohomology in algebra, geometry, physics and statistics at Institute of Mathematics
of the Czech Academy of Sciences, April 26th, 2023.
Topology seminar at Northeastern University, Feb 7th, 2023.
Topology and Geometric Group Theory Seminars at the Ohio State University, October 11, 2022.
The workshop ‘‘Recent advances in bounded cohomology", University of Regensburg, September 26-30, 2022.
IU-PU-IUPUI Joint Topology Seminar, September 24, 2022
Virtual talk in Topology, Geometry, and Physics Seminar at CUNY, August 31, 2022.
Oberwolfach, Topologie, July 24-30, 2022.
36 Summer Topology Conference, University of Vienna, July 18-22,2022.
Visiting Xiang Tang at Washington St. Louis, May 6, 2022.
Speaking at Virtual Seminar on Geometry and Topology, Korea, Feb 16th, 2022.
Speaking virtually at Moduli and Friends, Jan 25th, 2022.
Visiting Gael Meigniez at IAS, Dec 12-17,2021.
Speaking at the workshop “The h-principle
and beyond” at IAS, Nov 1-5, 2021. [video]
Speaking in the virtual dynamical system and topology seminar at IPM in Tehran, October 11th 2021.
Speaking in the the virtual topology and geometry seminar at University of Toronto, September 20th, 2021.
Speaking in the VI Congreso Latinoamericano de Matemáticas (CLAM), September 13-17, 2021. [video]
Speaking virtually at the topology seminar at Copenhagen, June 4th, 2021.
Speaking in the Panorama of Geometry and Topology at Iowa University, April 24, 2020.
Giving an online talk in the geometry and topology seminar at Iowa University, March 18, 2020.
Giving an online talk in the algebraic topology seminar at UNAM, March 4, 2020.
Giving a talk in Geometry, topology and Dynamics seminar at KIAS, October 13, 2020.
Online group actions seminar at KIAS, September 10th, 2020.
Attending Topologie meeting, Oberwolfach, 26 July- 1 August 2020.
Giving a talk at Zoomfest, May 31st. [ Slides]. [video starts at 1:05]
Topology seminar, Stockholm University, April 9th, 2020. Cancelled.
Attending a workshop at MSRI, Berkeley, 23-27 March, 2020. Cancelled.
Topology seminar at CUNY, New York, 29th Jan, 2020.
Masterclass on deformation theory and formal moduli problems Angers, 17-19 December 2019.
HCM Workshop: Automorphisms of Manifolds, University of Bonn, 2-6th of September 2019
Oberwolfach, homotopy theory, August 4-10, 2019. [report]
Four Manifolds: Confluence of High and Low Dimensions, The Fields Institute, July 8-12, 2019.
[video]
SYM 10 years old, University of Copenhagen, June 24-28, 2019. [slide]
PIMS workshop on Arithmetic Topology, UBC, Vancouver, 10-14th June 2019.
Geometry and Topology Seminar, Caltech, April 2019.
Geometry and Topology Seminar, UC Irvine, March 18th 2019.
Geometry and Topology Seminar, University of Chicago, Winter 2019.
NRW meeting, Muenster, November 30th, 2018.
University of Bonn, Nov 16th 2018.
Geometry and Topology Seminar, University of Durham, November 8th, 2019.
Homotopy harnessing higher structures, Isaac Newton Institute, September-December 2018. [video]
Topology Seminar at University of Aberdeen, Scotland, October 31st, 2018.
Symplectic geometry and gauge theory seminar, Columbia University, September 14th, 2018.
Topology seminar at Colorado University, September 11th, 2018.
Graduate School of Mathematical Sciences, the University of Tokyo, July 6- July 16, 2018. [slide]
H-principle summer school, Tambara institute, Tokyo, June 25-July 6, 2018.
International Conference on Manifolds, Groups and Homotopy, June 18-22, 2018.
Topology seminar, MIT, April 2nd, 2018.
Lecture series at \(\mathrm{B}\Gamma\)-school, Tokyo, March 2018.
Colloquium, University of Hawaii, March 5th 2018.
Topology seminar at Oklahoma State University, November 28th, 2017.
Topology seminar at Minnesota, September 18th, 2017.
Algebraic Topology of Manifolds, Oxford, September 11-15, 2017.
Homotopy theory: applications and tools, UIUC, July 17-21, 2017.
Floer Homology and Homotopy theory, UCLA, July 10-14, 2017.
Visiting Soren Galatius at Stanford, May 2017.
Cornell Topology Festival, May 2017.
JDG 2017 conference, Harvard University, April 2017.
Giving a talk at Purdue, April 2017.
Gave a talk at University of Notre Dame, Midwest Topology seminar, February 2017.
Giving a talk at Chicago Action Now!, February 2017.
Giving a talk a topology and geometry seminar at University of Chicago, January 2017.
Ohio state University, November 15th 2016.
Topologie, Oberwolfach, July 2016.
LMU Munich, August 2016.
Young topologists meeting 2016, Copenhagen, July 2016.
Michael Weiss’ birthday conference, Lisbon, June 2016. [silde]
Regensburg University, June 2nd 2016.
University of Copenhagen, to visit Soren Galatius, May 2016.
University of Bonn, May 3rd 2016.
Factorization algebra and field theory, Oberwolfach, Spring 2016.
Cohomological methods in group theory, Bielefeld, Spring 2016.
Geometric group theory meeting, Karlsruhe, Winter 2016.
LMU Munich, October 2015.
Higher structures, Bonn, Fall 2015.
Geometric group theory workshop, MSRI Berkeley, Summer 2015.
Diffeomorphism group workshop, Berkeley, Summer 2015.
Teichmüller Modular Groups, A Celebration of Nikolai Ivanov's 60th Birthday, Spring 2015.
UC Riverside, Winter 2015.
Joint Mathematics Meeting, January 2015.
UIUC,December 2014.
Copenhagen, Homological stability conference, August 2014.
Differential cohomologies, CUNY, Summer 2014.
Algebraic Topology, MSRI Berkeley, Spring 2014.
Homological stability conference, Copenhagen, Summer 2013.
Young Topologist Meeting, EPFL, Summer 2013.
Stable, equivariant, motivic homotopy conference, Northwestern, Spring 2013.
Quillen's legacy conference, MIT Fall 2013.
Young Topologist Meeting, Copenhagen, Summer 2012.
70th birthday of Sullivan, Stony Brook, Spring 2011.
Hodge theory conference in Trieste, Summer 2010.
Conference on dynamical systems and perverse sheaves held by ICTP in Uzbekistan, Fall 2009.
Birthday conference in honor Haynes R. Miller held at the University of Bonn - Short course on Floer Homology, IPM, Summer 2007.
Short course on Index Theory, IPM, Summer 2007.
Mini-Workshop on Index Theory, IPM, Winter 2007.