Conference talks and colloquia - The complexity of the classification problem in ergodic theory, Logic In Southern California, March 2018, University of California at Irvine;
- Noncommutative simplices, Colloquium at Queen's University Belfast, February 2017;
- Operator systems in quantum information theory and noncommutative Choquet theory, Colloquium at the University of Ottawa, January 2017;
- Universal objects and extreme amenability: where topological dynamics meets Ramsey theory, Colloquium at the University of Illinois at Chicago, December 1st, 2016;
- Polish groupoids and the classification of operator algebraic varieties, 2015 Winter CMS Meeting, Special Session on Descriptive set theory, December 2015;
- Noncommutative simplices and the mathematics of quantum physics, Oliver Club (Department Colloquium), Cornell University, November 19th, 2015;
- Polish groupoids and the classification problem for operator algebraic varieties, Logic Seminar, Cornell University, November 2015;
- Nonstandard methods in combinatorics, Claremont Colleges Colloquium (October 21st, 2015);
- The noncommutative Poulsen simplex, 2015 West Coast Opeator Algebras Symposium, University of California at San Diego, October 2015;
- The classification of multiplier algebras of operator algebraic varieties, Colloquium, Universidad Complutense de Madrid, June 2015;
- The complexity of classification problems in operator algebras, Joint Mathematics Meeting 2015, Special Session on Classification Problems in Operator Algebras -- San Antonio, January 2015;
- Uniqueness, homogeneity, and universality of the noncommutative Gurarij space (abstract), Canadian Mathematical Society 2014 Winter Meeting, Special Session on Operator Algebras and Operator Theory, December 2014;
- Borel complexity and automorphisms of C*-algebras (abstract, slides), Workshop on Set Theory -- Mathematical Research Institute of Oberwolfach, January 2014;
Minicourses
- Fraïssé theory and generic objects in functional analysis, Instituto de Ciencias Matemáticas, Madrid (June 27-29, 2015);
Invited research visits - University of Glasgow, October 2-6, 2017 (host: Christian Voigt)
- University of Houston, July 24-28, 2017 (host: Mehrdad Kalantar)
- University of Waterloo, December 7-15, 2015 (host: Matthew Kennedy)
- University College London, August 19-20 and December 16-17 (host: Simone Severini)
- Instituto de Ciencias Matemáticas, May 26-29, 2015 (host: Jordi Lopez-Abad)
- University of Copenhagen, April 28 - May 4, 2015 (host: Asger Tornquist)
- McGill University, January 26-31, 2015 (host: Marcin Sabok)
- University of Illinois at Chicago, November 17-22, 2014 (host: Isaac Goldbring)
- Boise State University, April 16-24, 2014 (host: Samuel Coskey)
- University of Copenhagen, August 25 - September 22, 2013 (host: Asger Tornquist)
- Universidade Federal de Santa Catarina, June 9-28, 2013 (host: Daniel Concalves and Vladimir Pestov)
- University of Vienna, April 15-20, 2012 (host: Goulnara Arzhantseva)
Invited participation to workshops - The classification problem for quantum groups, Banff International Research Station, November 20-27, 2016
- Heilbronn Focussed Research Meeting "Noncommutative graphs in quantum information theory", October 3-7, 2016 and February 6-10, 2017
- Spring 2016 AMS Sectional Meeting, April 2016;
- 2015 West Coast Operator Algebras Seminar, October 10-11, 2015, University of California at San Diego, California, US;
- Nonstandard methods in number theory, AIM SQuaRE meeting, Palo Alto, California, US;
- Set Theory, January 13-17, 2014, Mathematical Research Institute of Oberwolfach, Obwerwolfach (Germany);
- Nonstandard methods in number theory, June 3-7 2013, August 4-8 2014, and June 22-26 2015, AIM SQuaRE meeting, Palo Alto;
Seminar talks
- The classification problem for extensions of C*-algebras, Logic Seminar, California Institute of Technology, December 2020;
- Ulam stability and definability, Logic Seminar, Victoria University of Wellington, November 2020;
- On solenoids and their complements, Operator Algebras and Noncommutative Geometry Seminar, University of Wollongong, August 2020;
- On solenoids and their
complements, Pure Mathematics Seminar, University of New South Wales, July 2020;
- Nonstandard analysis and Diophantine equations, Caltech Logic Seminar, June 2019;
- The noncommutative Poulsen simplex, Geometry and Analysis Seminar, University of Auckland, June 2018;
- The complexity of the classification problem in ergodic theory, Functional Analysis Seminar, UCLA, March 2018;
- Actions of rigid groups on C*-algebras, Analysis Seminar, University of Glasgow, January 2018;
- The complexity of the classification problem in ergodic theory, Functional Analysis Seminar, University of California at San Diego, November 2017;
- The complexity of the classification problem in ergodic theory (slides), Analysis Seminar, University of Glasgow, October 2017;
- The complexity of the classification problem in ergodic theory, Logic Seminar, University of Illinois at Urbana-Champaign, September 2017;
- Borel complexity and C*-dynamics, Intensive Research Program on Operator Algebras Weekly Seminar, CRM Barcelona, March 2017;
- Cocycle superrigidity and group actions on C*-algebras, Operator Algebras Seminar, Purdue University, February 2017;
- A game-theoretic approach to Hjorth's turbulence theory, Logic Seminar, California Institute of Technology (January 2017);
- Universal objects and extreme amenability: where topological dynamics meets Ramsey theory, Logic Seminar, California Institute of Technology (November 29, 2016);
- The omitting types theorem and the entropy realization problem, Logic Seminar, University of Turin (July 26, 2016);
- Weak equivalence and the entropy realization problem, UCLA Functional Analysis Seminar, UCLA (March 2nd, 2016);
- Weak equivalence for actions on the hyperfinite II_1 factor, UCSD (February 16th, 2016);
- On the Erdős sumset conjecture, Combinatorics Seminar, Caltech (January 13th, 2016);
- A functional analytic perspective on the Poulsen simplex, Functional Analysis seminar, University of Waterloo (December 13th, 2015);
- Fraisse theory and the noncommutative Poulsen simplex, Caltech-UCLA logic seminar (October 9th 2015);
- Fraïssé theory and universal objects in group theory and
metric geometry, Geometry and Analysis on Groups Seminar -- University of Vienna (May 6th, 2015);
- Borel complexity theory and Gromov's program, Geometry and Analysis on Groups Seminar -- University of Vienna (May 5th, 2015);
- Generic spaces of operators, Séminaire de Logique --- Institut Camille Jordan, Lyon (March 31st, 2015);
- A dichotomy for the complexity of the classification problem of automorphisms of C*-algebras, Descriptive Set Theory Seminar --- Université Paris 6 (February 17th, 2015);
- Generic spaces of operators, Séminaire Général de Logique -- Université Paris 7 (February 16th, 2015);
- An invitation to sofic groups, Geometric & Combinatorial Group Theory Seminar -- McGill University, Montreal (January 28th, 2015);
- Polish groupoids and functorial complexity, Category Seminar -- McGill University, Montreal (January 27th, 2015);
- The noncommutative Gurarij space (abstract), Logic Seminar -- University of Illinois at Chicago (November 18th, 2014):
- The noncommutative Gurarij space and other Fraisse limits in functional analysis (abstract), Model Theory Seminar -- McMaster University, Hamilton, Ontario, Canada (October 28th, 2014);
- Functorial complexity of Polish and analytic groupoids, Set Theory Seminar, Fields Institute (August 1st, 2014);
- Conjugacy and cocycle conjugacy of automorphisms of O_2 are not Borel (abstract), Operator Algebras Seminar, Fields Institute (April 15th, 20114);
- Borel complexity and automorphisms of C*-algebras (abstract, slides), Group Actions and Dynamics Seminar, University of Texas at Austin (March 5th, 2014);
- Sofic and hyperlinear groups and the logic for metric structures (abstract), Geometry and Analysis on Groups Seminar -- University of Vienna (October 2nd, 2013);
- The algebraic eigenvalues conjecture for sofic groups (abstract), Operator Algebras Seminar -- University of Copenhagen (September 18th, 2013);
- Classification of automorphisms of operator algebras up to conjugacy (abstract), Seminar on Set Theory and Applications -- University of Copenhagen, Denmark (September 5th, 2013);
- The complexity of the relation of unitary equivalence for automorphisms of separable unital C*-algebras (abstract), Analysis Seminar -- University of Waterloo (October 19th, 2012);
- The complexity of the relation of unitary equivalence for automorphisms of separable unital C*-algebras (abstract), Operator Algebras Seminar -- Fields Institute (October 16th, 2012);
- La logica per strutture metriche ed il numero di gruppi sofici e iperlineari universali (abstract, slides) -- University of Turin, Italy (June 27th, 2012);
- Turbulent actions on automorphism groups of C*-algebras (abstract), Operator Algebras Seminar -- Fields Institute (April 12th, 2012);
- Nonstandard methods and additive combinatorics: effective estimates for Jin's theorem (abstract), Logic Seminars at Pisa -- University of Pisa (April 23rd, 2012);
- Logic for metric structures and the number of universal sofic and hyperlinear groups (abstract), Set Theory Seminar -- Fields Institute (January 20th, 2012);
- The Continuum Hypothesis and ultrapowers of C*-algebras and von Neumann algebras, Logic Seminars at Pisa -- University of Pisa (May 31st, 2011);
- The structure theorem for unitary representations of amenable groups, Logic Seminars at Pisa -- University of Pisa (16th June, 2010).
Other talks and presentations- Groupoid Lp operator algebras (abstract, slides), Canadian Annual Symposium on Operator Algebras and Their Applications (June 26th, 2014);
- An introduction to Fourier analysis and Roth's theorem (slides), AIM SQuaRE preparatory meeting (April 11th, 2013);
- An introduction to Borel complexity of equivalence relations, University of Virginia, Charlottesville (March 8th, 2013);
- Some nonstandard techniques in combinatorics (slides), AIM SQuaRE preparatory meeting (June 7th, 2012);
- Classification of automorphisms of C*-algebras (abstract, slides), Canadian Operator Symposium 2012 -- Queen's University (May 24th, 2012)
Other workshop and conferences - LMS Research School "Combinatorics and Operators in Quantum Information Theory", Queen's University Belfast, September 5-9, 2016;
- Measured Group Theory, August 29 - September 2, 2016, MFO, Oberwolfach, Germany;
- C*-algebras, August 22-26, 2016, MFO, Oberwolfach, Germany;
- Dynamics and C*-Algebras: Amenability and Soficity, October 20-24, 2014, BIRS, Banff, Alberta, Canada;
- 42nd Canadian Annual Symposium on Operator Algebras and Their Applications, June 23-27 2014, Fields Institute, Toronto, Canada;
- Thematic program on Abstract Harmonic Analysis, Banach and Operator Algebras, January-June 2014, Fields Institute, Toronto, Canada;
- Arbeitsgemeinschaft: Sofic Entropy, October 7-11, 2013, MFO, Oberwolfach, Germany;
- Descriptive Set Theory, September 30 - October 4, ESI, Vienna, Austria;
- Forcing and Large Cardinals, September 23-27, 2013, ESI, Vienna, Austria;
- Groups, Dynamical Systems and C*-Algebras, August 20-24, 2013, Westfälische Wilhelms-Universität Münster, Münster, Germany;
- Canadian Annual Symposium on Operator Algebras and their Applications, May 27-31, 2013, Fields Institute, Toronto, Canada;
- Masterclass on Sofic Groups and applications to Operator Algebras, November 5-9, 2012, University of Copenhagen, Denmark;
- Thematic program on Forcing and its Applications, July-December 2012, Fields Institute, Toronto, Canada;
- Continuous Logic and Functional Analysis, July 16-20, 2012, Institut Camille Jordan, Lyon, France;
- Canadian Operator Symposium 2012, May 21-25, 2012, Queen's University, Kingston, Ontario, Canada;
- 5th Young Set Theory Workshop, April 30 - May 4, 2012, CIRM, Marseille, France;
- 2011 CMS Winter Meeting, December 10-12, 2011, Delta Chelsea Hotel, Toronto, Ontario, Canada;
- Computational Prospects of Infinity II, June 15 - July 13, 2011, IMS, National University of Singapore, Singapore;
- Ramsey Theory in Logic, Combinatorics and Complexity, May 22-27, 2011, University Residential Center, Bertinoro, Italy;
- Advanced courses on II_1 factors, May 2-20, Institut Henri Poincare, Paris, France;
- An invitation to von Neumann algebras and ergodic theory of group actions, CIRM, Marseille, France;
- Group Actions on Measure Spaces, March 24-27, 2011, Texas A&M University, College Station, USA;
- The Concentration Phenomenon, Transformation Groups and Ramsey Theory, October 12-15, 2010, Fields Institute, Toronto, Canada;
- Infinite Combinatorics, June 28, 2010, Mathematics Research Center "Ennio De Giorgi", Pisa, Italy.
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