Department of Mathematics

Aristotle University of Thessaloniki

Betsakos Dimitrios

Professor

Office: Glass Building of Faculty of Sciences, East Wing, 3rd Floor, Room 3.8

Phone Number: +302310997935

Email: betsakos@math.auth.gr

Website

Studies

  •  Undergraduate studies: Department of Mathematics, Aristotle University of Thessaloniki, B. Sc. 1990
  •  Graduate studies: Department of Mathematics, Washington University Saint Louis, PhD 1996
    • Doctoral thesis subject: Complex Analysis, Potential Theory
    • Doctoral thesis title: Harmonic measure, domains of fixed inradius and polarization
    • Supervisor: Prof. Albert Baernstein

Professional Experience

  • 1998-1999: Postdoctoral Fellow, Department of Mathematics, University of Helsinki.
  • 1999-2000: Visiting assistant professor, School of Engineering, Aristotle University of Thessaloniki.
  • 2000-2002: Visiting assistant professor, Department of Applied Mathematics, University of Crete.
  • 2002-2008: Assistant professor, Department Mathematics, Aristotle University of Thessaloniki.
  • 2008-2014: Associate professor, Department Mathematics, Aristotle University of Thessaloniki.
  • 2014- : Professor, Department Mathematics, Aristotle University of Thessaloniki.

Research Interests

  • Complex Analysis
  • Potential Theory

Selected Publications

  • Symmetrization, symmetric stable processes, and Riesz capacities. Trans. Amer. Math. Soc. 356 (2004), 735-755.
  • Polarization, continuous Markov processes and second order elliptic equations. Indiana Univ. Math. J. 53 (2004), 331-346.
  • On the eigenvalues of the infinitesimal generator of a semigroup of composition operators. J. Funct. Anal. 273 (2017), 2249-2274.
  • On the existence of strips inside domains convex in one direction. Journal d’Analyse Mathematique 134 (2018), 107-126.
  • (with S.Pouliasis) Isometries for the modulus metric are quasiconformal mappings. Trans. Amer. Math. Soc. 372 (2019), no. 4, 2735–2752.