Talks

Upcoming:

• Perspectives in Ergodic Theory, Randomness and Geometry (PIEROGY), Jagiellonian University, January 2026

• Stability and probabilistic methods, University of Cambridge, November 2025.

• CS Theory group at Columbia University, 6.11.2025.

• Institute of Advanced Studies, Princeton, 29.10.2025.

Past:

• Schramm’s theorem on hyperfinite graphs, towards noncommutative laws, Students probability day X at Weizmann Institute, 15.05.2025.

• Relating Hilbert--Schmidt stability and character rigidity of lattices in products, lightning talk in the workshop Group Operator Algebras: Classification, Structure and Rigidity at BIRS, Banff, 26.09.2024. Link to recording

• Understanding infinitely presented groups using markings and applications to Hilbert–Schmidt stability

        -Midrasha on groups at Weizmann institute, 10.06.2024. Link to recording

• Hilbert-Schmidt stability, character theory and approximation properties of groups

       -Geometric group theory seminar at the University of Cambridge, 24.05.24

• Character theory and Hilbert-Schmidt stability of uncountably many groups.

       -Functional Analysis Seminar at UCSD, 14.11.2023

• Hyperlinearity versus flexible Hilbert Schmidt stability for property (T) groups.

       -IMU annual meeting, Ben Gurion University 19.09.2022

       -Midrasha on Groups at Weizmann Institute, 8.11.2022. Link to recording.

       -Group Actions: Dynamics, Measure and Topology, WWU Münster, 28.11.2022 - 02.12.2022

        -University of Haifa and Technion joint Noncommutative Analysis Seminar, 28.12.2022

       -Groups and Dynamics Seminar at Tel Aviv University, 5.1.2023

       -Geometry and Analysis on Groups Seminar at the University of Vienna, 17.01.2022

       -Dynamics Seminar at the Einstein Institute of Mathematics, HUJI 06.06.2023.

       -YMC*A at KU Leuven, 11.08.2023

            -Lightning talk in Groups and Rigidity Around the Zimmer Program, Ventotene, 11.09.2023

            -Functional Analysis Seminar at UCLA, 1.11.2023

            -Operator Algebras Seminar at Purdue University, 28.11.2023 

• Failure of flexible HS-stability and Kirchberg’s Lifting Property for group C*-algebras (based on Ioana, Spaas, Wiersma).

       -Workshop: Geometric Aspects of Flexible Stability, Erdős Center in Budapest, 23.3.2022

       -Midrasha on Groups at Weizmann Institute, 8.11.2021 (recorded part 1, part 2)

• Relations between quantum correlation sets, non-local games and operator algebras.

       -Retreat of the Quantum Information Science Center at HUJI 11.7.2021 (recorded).

• Classical rigidity theorems via characters on groups.

        -Topics in group theory student seminar at HUJI 4.7.2021 at 10:00. Link to recording

• Relating Kirchberg's QWEP conjecture and Tsirelson's problem.

      -MIP*=RE seminar at HUJI 11.4.2021, 18.4.2021 (2 parts, recorded)

• Hilbert Schmidt stability of groups and C*-​algebras. 

      -3 minute talk at YMC*A 2021 at WWU Münster 2.8.2021, Slides.

      -Amitsur Algebra seminar at the Hebrew University 24.6.2021, (recorded). 

      -Geometry graduate colloquium at ETH Zürich 25.3.2021.

• Introduction to C* Algebras and dilation theorems.

-MIP*=RE seminar at HUJI, 6.12.2020 (recorded)

• On uniform Hilbert Schmidt stability of groups.

    -Midrasha on Groups at Weizmann Institute, 8.11.2021 (recorded part 1, part 2)

    -Junior speaker in Automorphisms and Invariants of Operator Algebras at the University of Copenhagen 19.10.2021.

    -Monday Seminar at the Institute of Geometry, TU Dresden 22.2.2021

    -Graduate student seminar at HUJI 2.12.2020.

    -IMU2020 first parallel session of Lightning Talks 7.9.2020, recording available here (joint talk with D. Akhtiamov).

• Simple groups of dynamical origin.

    -Topics in group theory students seminar at HUJI 10.11.2020.

    -Midrasha on groups at Weizmann Institute 04.11.2020 (recorded)