Publications:
A remark on Liouville property of strongly transitive actions. arXiv:1806.02753
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On elementary amenable bounded automata groups,
(with B. Steinberg, P. Wesolek) Submitted.
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Invariable generation of Thompson groups,
(with T. Gelander, G. Golan)
Journal of Algebra 478 (2017): 261-270
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Infinitely supported Liouville measures of Schreier graphs,
(with Tianyi Zheng) Groups, Geometry, and Dynamics, V 12, Issue 3, 2018, pp. 911-918
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Thompson's group F is not strongly amenable,
(with Yair Hartman, Kate Juschenko, Omer Tamuz, Pooya Vahidi Ferdowsi)
To appear in Ergodic Theory and Dynamical Systems.
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More simple finitely generated infinite amenable groups
(with V. Nekrashevych, M. Chorniy), To appear in Groups Geometry and Dynamics.
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Extensive amenability and an application to interval exchanges,
(with N. Matte Bon, N. Monod, M. de la Salle)
Ergodic Theory and Dynamical Systems, 1--25 (2016)
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Non-elementary amenable subgroups of automata groups.
Journal of Topology and Analysis, 10, 35 (2018).
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Soficity, short cycles, weak stability and the Higman group.
(with Harald Helfgott) To appear in Transactions AMS.
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Extensions of amenable groups by recurrent groupoids,
(with Volodia Nekrashevych, Mikael de la Salle) Inventiones Mathematicae. 206(3), 837-867 (2016)
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Uniformly bounded representations and exact groups,
(with Piotr Nowak), Journal of Functional Analysis 266, no. 3, 1667-1673, 2014
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Invariant means of the wobbling group, (with Mikael de la Salle).
Bull. Belg. Math. Soc. Volume 22, Number 2 (2015), 281 - 290
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Small spectral radius and percolation constants on non-amenable Cayley graphs,
(with Tatiana Smirnova-Nagnibeda), Proc. Amer. Math. Soc. 143 (2015), 1449 - 1458
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Cantor systems, piecewise translations and simple amenable groups. (with Nicolas Monod). Annals of Mathematics, Volume 178, Issue 2, 775 - 787, 2013
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Finitely presented groups related to Kaplansky's direct finiteness conjecture.
(with Ken Dykema, Timo Heister). Experimental Mathematics 24 (2015), 326--338.
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A description of the logmodular subalgebras in the finite dimensional C*-algebras.
Indiana University Mathematics Journal, 60, 1171-1176, 2011
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Matrices of unitary moments, (with K. Dykema),
Mathematica Scandinavica, 109, 225 - 239, 2011
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Algebraic reformulation of Connes' embedding problem and the group algebra of a free group, (with S. Popovych), Israel Journal of Mathematics, Volume 181, 2011
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Ideals of C*-algebra generated by an operator algebra,
Mathematische Zeitschrift, 266, no. 3, 2010
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Compactness properties of operator multipliers, (with R. Levene, I. Todorov, L. Turowska), Journal of Functional Analysis Volume 256, Issue 11, 2009
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Matrix ordered operator algebras, (with S. Popovych),
Indiana University Mathematics Journal, Volume 59 No. 3, 2009
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Multidimensional operator multipliers, (with I. Todorov, L. Turowska),
Transactions of American Mathematical Society, Volume 361, 2009
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Conference proceedings and reports:
Ideals structure of the group C*-algebra of the Thompson group T, (with Collin Bleak)
"Topological methods in geometric group theory", in honor of Ross Geoghegan's 70th birthday. London Math. Soc. Lecture
Notes series.
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Amenability and recurrent Schreier graphs, Oberwolfach Report No. 42/2013
(with Volodia Nekrashevych, Mikael de la Salle) Inventiones Mathematicae. 206(3), 837-867 (2016)
[Download]
(with Piotr Nowak), Journal of Functional Analysis 266, no. 3, 1667-1673, 2014
[Download]
Bull. Belg. Math. Soc. Volume 22, Number 2 (2015), 281 - 290
[Download]
(with Tatiana Smirnova-Nagnibeda), Proc. Amer. Math. Soc. 143 (2015), 1449 - 1458
[Download]
[Download]
(with Ken Dykema, Timo Heister). Experimental Mathematics 24 (2015), 326--338.
[Download]
Indiana University Mathematics Journal, 60, 1171-1176, 2011
[Download]
Mathematica Scandinavica, 109, 225 - 239, 2011
[Download]
[Download]
[Download]
[Download]
Indiana University Mathematics Journal, Volume 59 No. 3, 2009
[Download]
Transactions of American Mathematical Society, Volume 361, 2009
[Download]
"Topological methods in geometric group theory", in honor of Ross Geoghegan's 70th birthday. London Math. Soc. Lecture Notes series.
[Download]