Vassilis Gregoriades - Βασίλης Γρηγοριάδης


National Technical University of Athens
School of Applied Mathematical and Physical Sciences
Department of Mathematics - Building E
9, Iroon Polytechniou St, Athens
Greece, Postal Code 157 80

Office: 3.09

E-mail addresses:
vgregoriades [at] mail [dot] ntua [dot] gr
vgregoriades [at] math [dot] ntua [dot] gr

I am Assistant Professor in the Department of Mathematics - School of Applied Mathematical and Physical Sciences at the National Technical University of Athens, Greece.

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

  • Intersections of lp spaces in the Borel hierarchy J. Math. Anal. Appl. 498 (2021), Issue 1.
  • Turing degrees in Polish spaces and decomposability of Borel functions, (with T. Kihara and K. M. Ng). To appear in the J. Math. Log.
  • The Dyck and the Preiss separation uniformly. Ann. Pure Appl. Logic 169 (2018), Issue 10, 1082-1116.
  • Uniformity results on the Baire property Bull. Hellenic Math. Soc., 62 (2018), 1-18.
  • A recursion theoretic characterization of the Topological Vaught Conjecture in the Zermelo-Fraenkel set theory. Math. Log. Quart., 63 (2017) no. 6, 544-551.
  • A comparison of concepts from computable analysis and effective descriptive set theory, (with T. Kispéter and A. Pauly). Math. Structures Comput. Sci., 27 (2017), no. 8, 1414-1436.
  • 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), Issue 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.

    Preprints

  • On a Question of Jaegers.

    Courses (in Greek) - Μαθήματα

  • Περιγραφική Θεωρία Συνόλων
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  • Μαθηματικά II (ΣΜΜΜ)
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  • Μαθηματική Ανάλυση και Γραμμική Άλγεβρα (ΣΠΜ)
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  • Θεωρία Συνόλων (ΣΕΜΦΕ)