Todor Tsankov
Bureau : Chevaleret 5A46
Téléphone : 01 57 27 91 04
Équipe de Logique Mathématique, IMJ
Université Paris Diderot — Paris 7
UFR de Mathématiques case 7012
75205 Paris cedex 13
todor @ math point jussieu point fr
Enseignement
Année 2011–2012
Papers
- Decidability of definability.
(with M. Bodirsky and M. Pinsker)
preprint (2012).
A preliminary version of this paper appeared in the Proceedings of LICS'11, Toronto.
- Automatic continuity for the unitary group.
Proc. Amer. Math. Soc.,
to appear.
- Generic representations of abelian groups and extreme amenability.
(with J. Melleray)
preprint (2011).
- Unitary representations of oligomorphic groups.
Geom. Funct. Anal.,
to appear.
- The additive group of the rationals does not have an automatic presentation.
J. Symbolic Logic
76
(2011), no. 4, pp. 1341–1351.
- Subequivalence relations and positive definite functions.
(with A. Ioana and
A. S. Kechris)
Groups Geom. Dyn.
3
(2009), no. 4, pp. 579–625.
- Topological properties of full groups.
(with J. Kittrell)
Ergodic Theory Dynam. Systems
30
(2010), pp. 525–545.
- Modular actions and amenable representations.
(with I. Epstein)
Trans. Amer. Math. Soc.
362
(2010), no. 2, pp. 603–621.
- Amenable actions and almost invariant sets.
(with
A. S. Kechris)
Proc. Amer. Math. Soc.
136
(2008), no. 2, pp. 687–697.
- Compactifications of N and Polishable subgroups of
S∞.
Fund. Math.
189
(2006), no. 3, pp. 269–284.