Technische Universität Darmstadt
64289 Darmstadt Germany
gregoriades [at] mathematik [dot] tu-darmstadt [dot] de
I am a postdoctoral researcher at TU Darmstadt, Germany. My main research interest is descriptive set theory and its connections with analysis and recursion theory.
The reason why my given name is spelled "Vassilios" instead of "Vassilis" in my CV and publications.
Turning Borel sets into clopen sets
effectively. Fund. Math. 219 (2012), no. 2, 119-143, (includes parts of my Ph.D. Thesis).
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, (this is included in my Ph.D.
The notion of exhaustiveness and
Ascoli-type theorems (with N. Papanastassiou). Topology Appl. 155 (2008), no. 10, 1111–1128.
localization of Γ-measurability (with N. Papanastassiou). Topology Appl. 155 (2008), no. 6, 497–502.
Classes of Polish spaces under effective Borel isomorphisms (includes parts
of my Ph.D. Thesis).
Choice free fixed point property.
Notes on effective descriptive set theory (with Y. Moschovakis). Upcoming notes.
For older courses see