• Member of the Management Committee of COST Action CA21163 (Text, functional and other high dimensional data in econometrics: New models, methods, applications (HiTEc))
  • D. E. Davos, I. C. Demetriou, Convex-Concave fitting to successively updated data and its application to Covid-19 analysis, J. of Combinatorial Optimization (2022) 44:3233–3262.
  • I. C. Demetriou, A binary search algorithm for univariate data approximation and estimation of extrema by piecewise monotonic constraints, J. of Global Optimization, 82, 2022, 691–726.

  • I. C. Demetriou, A O(n) algorithm for the discrete best L4 monotonic approximation problem, Econometrics and Statistics, 17, 2021, 130-144. Online publication:

  • I. C. Demetriou, Separation theorems for the extrema of best piecewise monotonic approximations to successive data, Optimization Methods and Software, Vol. 35, Issue 3, 2020, 439-459 

  • Member of the Editorial Board (Associate Editor) of the journal  SN Operations Research Forum, Springer Nature, 2019

  • Approximation and Optimization: Algorithms, Complexity and Applications  (editors I. C. Demetriou and P. M. Pardalos), Springer Optimization and Its Applications 145, 238 pp., ISBN 978-3-030-12767-1. An edited collection of research papers, proceedings of the homonymous conference, June 29-30, 2017, Athens, Greece. 

          Review: ​Burdakov, O.

          Mail  from SpringerNature []
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          Subject: Well done – Your book is helping solve global challenges
We are delighted to inform you that your book Approximation and Optimization, Algorithms, Complexity and Applications is among the top used publications on SpringerLink that concern one or more of the United Nations Sustainable Development Goals (SDGs).