Vassilis Gregoriades

Department of Mathematics ''Giuseppe Peano''
University of Turin
Via Carlo Alberto 10
10123 Turin Italy

E-mail Address: vassilios.gregoriades[at]unito[dot]it


I am a postdoctoral researcher and holder of the Research Fellowship ''2020 researchers: Train to Move'' at the University of Turin, Italy. My main research interest is descriptive set theory and its connections with other areas of mathematics.

Curriculum vitae          Life and Times          Some slides         

The reason why my given name is spelled "Vassilios" instead of "Vassilis" in my CV and publications.


Publications

  • A recursion theoretic characterization of the Topological Vaught Conjecture in the Zermelo-Fraenkel set theory. To appear in Mathematical Logic Quarterly.
  • A comparison of concepts from computable analysis and effective descriptive set theory, (with T. Kispéter and A. Pauly). Mathematical Structures in Computer Science, pp. 1-23, 2016.
  • Classes of Polish spaces under effective Borel isomorphism. Mem. Amer. Math. Soc. 240 (2016), no. 1135, vii+87.
  • Choice free fixed point property. Choice free fixed point property in separable Banach spaces. Proc. Amer. Math. Soc. 143 (2015), no. 5, 2143-2157.
  • Turning Borel sets into clopen sets effectively. Fund. Math. 219 (2012), no. 2, 119-143.
  • The descriptive set-theoretic complexity of the set of points of continuity of a multi-valued function. Log. Methods Comput. Sci., Vol. 7, Issue 4 (2011).
  • A dichotomy result for a pointwise summable sequence of operators. Ann. Pure Appl. Logic 160 (2009), no. 2, 154-162.
  • The notion of exhaustiveness and Ascoli-type theorems (with N. Papanastassiou). Topology Appl. 155 (2008), no. 10, 1111-1128.
  • A localization of Γ-measurability (with N. Papanastassiou). Topology Appl. 155 (2008), no. 6, 497-502.

    Submitted

  • Turing degrees in Polish spaces and decomposability of Borel functions, (with T. Kihara and K. M. Ng).
  • The Dyck and the Preiss separation uniformly.
  • Uniformity results on the Baire property.


    For past courses at TU Darmstadt click here