Todor Tsankov

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Todor Tsankov

Bureau : Braconnier 102

Institut Camille Jordan
Université Claude Bernard – Lyon 1
43, boulevard du 11 novembre 1918
69622 Villeurbanne cedex
France

tsankov @XXNOQKTJUE@@ math point univ-lyon1 point fr

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Enseignement

Papers

  • Non-singular and probability measure-preserving actions of infinite permutation groups. icon-pdf.png
    Preprint (2024).
  • Extremal models and direct integrals in affine logic (with I. Ben Yaacov and T. Ibarlucía). icon-pdf.png
    Preprint (2024).
  • On compact uniformly recurrent subgroups (with P.-E. Caprace, G. Goffer, and W. Lederle). icon-pdf.png
    Proc. Edinb. Math. Soc. (2), to appear.
  • Continuity of the stabilizer map and irreducible extensions (with A. Le Boudec). icon-pdf.png
    Comment. Math. Helv. 100 (2025), no. 1, 123–146.
  • Topological dynamics of kaleidoscopic groups (with G. Basso). icon-pdf.png
    Adv. Math. 416 (2023), Paper No. 108915, 49 pp.
  • Continuous logic and Borel equivalence relations (with A. Hallbäck and M. Malicki). icon-pdf.png
    J. Symbolic Logic 88 (2023), no. 4, 1725–1752.
  • Invariant measures on products and on the space of linear orders (with C. Jahel). icon-pdf.png
    J. Éc. polytech. Math. 9 (2022), 155–176.
  • Universal minimal flows of homeomorphism groups of high-dimensional manifolds are not metrizable (with Y. Gutman and A. Zucker). icon-pdf.png
    Math. Ann. 379 (2021), 1605–1622.
  • Bernoulli disjointness (with E. Glasner, B. Weiss, and A. Zucker). icon-pdf.png
    Duke Math. J. 170 (2021), no. 4, 615–651.
  • A model-theoretic approach to rigidity of strongly ergodic, distal actions (with T. Ibarlucía). icon-pdf.png
    Ann. Sci. Éc. Norm. Supér. (4) 54 (2021), 751–780.
  • Realizing uniformly recurrent subgroups (with N. Matte Bon). icon-pdf.png
    Ergodic Theory Dynam. Systems 40 (2020), 478–489.
  • Metric Scott analysis (with I. Ben Yaacov, M. Doucha, and A. Nies). icon-pdf.png
    Adv. Math. 318 (2017), 46–87.
  • Eberlein oligomorphic groups (with I. Ben Yaacov and T. Ibarlucía). icon-pdf.png
    Trans. Amer. Math. Soc. 370 (2018), no. 3, 2181–2209.
  • Metrizable universal minimal flows of Polish groups have a comeagre orbit (with I. Ben Yaacov and J. Melleray). icon-pdf.png
    Geom. Funct. Anal. 27 (2017), no. 1, 67–77.
  • On the complexity of topological conjugacy of Toeplitz subshifts (with M. Sabok). icon-pdf.png
    Israel J. Math. 220 (2017), 583–603.
  • Polish groups with metrizable universal minimal flows (with J. Melleray and L. Nguyen Van Thé). icon-pdf.png
    Int. Math. Res. Not. IMRN (2016), no. 5, pp. 1285–1307.
  • Weakly almost periodic functions, model-theoretic stability, and minimality of topological groups (with I. Ben Yaacov). icon-pdf.png
    Trans. Amer. Math. Soc. 368 (2016), no. 11, pp. 8267–8294.
  • Free actions of free groups on countable structures and property (T) (with D. Evans). icon-pdf.png
    Fund. Math. 232 (2016), pp. 49–63.
  • Decidability of definability (with M. Bodirsky and M. Pinsker). icon-pdf.png
    J. Symbolic Logic 78 (2013), no. 4, pp. 1036–1054.
    (A preliminary version of this article appeared in the Proceedings of LICS 2011, Toronto.)
  • Automatic continuity for the unitary group. icon-pdf.png
    Proc. Amer. Math. Soc. 141 (2013), no. 10, pp. 3673–3680.
  • Generic representations of abelian groups and extreme amenability (with J. Melleray). icon-pdf.png
    Israel J. Math. 198 (2013), no. 1, 129–167.
  • Unitary representations of oligomorphic groups. icon-pdf.png
    Geom. Funct. Anal. 22 (2012), no. 2, pp. 528–555.
  • The additive group of the rationals is not automatic. icon-pdf.png
    J. Symbolic Logic 76 (2011), no. 4, pp. 1341–1351.
  • Subequivalence relations and positive-definite functions (with A. Ioana and A. S. Kechris). icon-pdf.png
    Groups Geom. Dyn. 3 (2009), no. 4, pp. 579–625.
  • Topological properties of full groups (with J. Kittrell). icon-pdf.png
    Ergodic Theory Dynam. Systems 30 (2010), no. 2, pp. 525–545.
  • Modular actions and amenable representations (with I. Epstein). icon-pdf.png
    Trans. Amer. Math. Soc. 362 (2010), no. 2, pp. 603–621.
  • Amenable actions and almost invariant sets (with A. S. Kechris). icon-pdf.png
    Proc. Amer. Math. Soc. 136 (2008), no. 2, pp. 687–697.
  • Compactifications of \(\mathbf{N}\) and Polishable subgroups of \(S_\infty\). icon-pdf.png
    Fund. Math. 189 (2006), no. 3, 269–284.

Habilitation

  • Automorphism groups and their actions. icon-pdf.png
    Mémoire d'habilitation à diriger des recherches, 2014.

Unpublished notes

  • Metric Fraïssé limits via joinings. icon-pdf.png, 2018.