Department of Mathematics

Aristotle University of Thessaloniki

Lyberopoulos Demetrios

Assistant Professor

Office: Glass Building of Faculty of Sciences, East Wing, 3rd Floor, Room 3.15

Office Hours: By arrangement (please send an email)

Phone Number: +302310998331

Email: dily@math.auth.gr

Website

Studies

  • 2013 Ph.D. in Statistics and Insurance Science

    Department of Statistics and Insurance Science, University of Piraeus, Hellas.

Professional Experience

  • 2014-2015 Postdoctoral researcher in the research project entitled

    “Patterns and Scans Theory in Molecular Biology, Reliability Engineering and Experimental Psychology (PaST), under Action “EXCELLENCE–II”(«ΑΡΙΣΤΕΙΑ–ΙΙ») of the Operational Program for Education and Lifelong Learning, University of Piraeus, Hellas.

    Principal Investigator: Prof. Markos V. Koutras.

  • 2017-2021 Teaching Experience

    Undergraduate courses:

    (Ι1) Actuarial Survival Models, (Ι2) Nonparametric Statistics.

    Postgraduate courses (as a laboratory assistant):

    (ΙΙ1) Regression Analysis and Analysis of Variance.

  • 2016-2025 Employee in the Hellenic Statistical Authority (ELSTAT).

    Assignments and Main Contributions:

    [1] Retail Price Indices Section, Population, Employment and Cost of Living Statistics Division: Development of Real Estate Price Indices.

    [2] National Accounts Synthesis Section, National Accounts Division: I contributed in the compilation of the quarterly GDP (Gross Domestic Product) from the expenditure side.

    Other Contributions:

    [1] Task Forces (TF): I provided technical assistance during the period from June 2017 to June 2018 as a member of two TFs which were assigned with the task of revising the statutory values of real estate property in the Hellenic domain (also known as Zone Values).

    [2] Member of the evaluation committee of the Panhellenic Statistics’ Competition for the years from 2019 to 2025 (i.e. the local counterpart of European Statistics’ Competition) organized by ELSTAT.

Research Interests

  • Probability Theory and its applications with emphasis on Risk Theory.
  • Mixed stochastic processes.
  • Runs and Scans Theory with emphasis on scan statistics.
  • Martingales and their generalizations.
  • Official Statistics with emphasis on real estate price indices.

Selected Publications

  • Lyberopoulos, D.P. and Macheras, N.D. (2013): A construction of mixed Poisson processes via disintegrations. Mathematica Slovaca 63(1), 167-182.
  • Koutras, M.V. and Lyberopoulos, D.P. (2018): Asymptotic results for jump probabilities associated to the multiple scan statistic. Annals of the Institute of Statistical Mathematics 70(5), 951-968.
  • Koutras, M.V. and Lyberopoulos, D.P. (2019): Demimartingale Approaches for Scan Statistics. In: Glaz J., Koutras M. (eds) Handbook of Scan Statistics. Springer, New York, NY.
  • Lyberopoulos, D.P. and Macheras, N.D. (2021): A characterization of martingale-equivalent mixed compound Poisson processes. The Annals of Applied Probability 31(2), 778-805.
  • Lyberopoulos, D.P. and Macheras, N.D. (2022): Some characterizations of mixed renewal processes. Mathematica Slovaca 72(1), 197-216.