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Invited Conferences with Proceedings

  • May 2024, Sequential interval reliability for semi-Markov systems: modeling and asymptotic properties (with G. d'Amico, T. Gkelsinis), 36th Panhellenic and 2nd International Statistics Conference of the Greek Statistical Institute, Kozani
  • December 2023, A class of hypothesis tests for general order Markov chains based on phi-divergence (with T. Gkelsinis), CMStatistics 2023, Berlin
  • November 2023, Step semi-Markov processes: modeling and application to manpower management (with G. d'Amico, R. Manca, F. Petroni), The 10th International Conference Economic Scientic Research - Theoretical, Empirical and Practical Approaches - ESPERA2023, Bucureşti
  • October 2023, participant to the panel The Mission of Universities in the Context of Internationalization in Innovation & Entrepreneurship, 5th Conference of the Network of Entrepreneurship and Innovation, Timişoara
  • June-July 2023, Divergence measures and their use in statistical inference (with T. Gkelsinis, A. Karagrigoriou, V. Preda), The 10th Congress of Romanians Mathematicians, Piteşti
  • June 2023, Reliability indicators of Markov and semi-Markov systems: modelling and estimation, The 9th International Conference "Mathematics & IT: Research and Education"-MITRE 2023, Chişinău
  • May 2023, Nonparametric estimation of semi-Markov processes and applications to reliability (with F. Mokhtari, C. Ayhar, S. Rahmani), The 35th Panhellenic and 1st International Statistics Conference of the Greek Statistical Institute, Athens
  • December 2022, Goodness-of-fit and Homogeneity Tests Based on Weighted Divergence Measures (with T. Gkelsinis, A. Karagrigoriou), Symposium Mathematics and Application, Faculty of Mathematics, University of Belgrade
  • November 2022, Stock model analysis and inference based on stochastic processes (avec G. D'Amico), The 9th International Conference Economic Scientic Research - Theoretical, Empirical and Practical Approaches (ESPERA2022), Bucureşti
  • June 2022, Asymptotic properties of kernel estimators for continuous-time semi-Markov processes (with F. Mokhtari, C. Ayhar, S. Rahmani), Stochastic Modeling Techniques and Data Analysis International Conference, Athens
  • May 2022, Testing statistical hypotheses for semi-Markov processes, (with G. Gayraud, N. Limnios, E. Votsi), The 34th Hellenic conference of statistics, Athens
  • June 2021, A goodness of fit test based on directed divergence measures (with T. Gkelsinis, A. Karagrigoriou), Applied Stochastic Models and Data Analysis, Athens
  • June 2021, Statistical inference for multi state systems: the Kumaraswamy case (with A. Karagrigoriou, A. Makrides), Applied Stochastic Models and Data Analysis, Athens
  • December 2020, Adaptive robust ecient estimation methods in statistical models generated by fractal Poisson processes (with S. Beltaief, S. M. Pergamenshchikov), In Proceedings of International Scientic Conference Robust Statistics and Financial Mathematics - 2020 (Tomsk, December 15-16, 2020) (Pchelintsev, E. and Pergamenshchikov, S., eds.), National Research Tomsk State University, Tomsk, Russia, 2021, pages 14-22
  • July 2019, Model selection for robust efficient estimation of nonparametric regression with semi-Markov and Lévy noise (with S. Beltaief, O. Chernoyarov, S. Pergamenchtchikov), 9th International Conference on LEVY processes, University of the Aegean, Samos
  • August 2018, Reliability of particular semi-Markov systems: Modeling and nonparametric estimation, The 23nd International Conference on Computational Statistics (Compstat2018), Iaşi
  • August 2018, On dynamic modelling in reliability theory (with A. Karagrigoriou, A. Makrides), The 23nd International Conference on Computational Statistics (Compstat2018), Iaşi
  • July 2017, Reliability and survival analysis for drifting Markov models: modelling and estimation (with N. Vergne), Mathematical Methods in Reliability, Grenoble
  • July 2017, Model selection for a semi-Markov continuous time regression observed in the discrete time moments (with S. Beltaief and S. Pergamenchtchikov), Proceedings of International Scientific Conference Robust Statistics and Financial Mathematics, E. Pchelintsev and S. Pergamenshchikov (eds.), National Research Tomsk State University, Tomsk, Russia, 2017, 5-11
  • May 2017, Survival analysis for Markov and semi-Markov models and application to breast cancer data (with N. Limnios), 154th seminar of the International Center of Biocybernetics, Eleventh International Seminar on Statistics and Clinical Practice, Warsaw
  • August 2016, Survival analysis for semi-Markov processes, The 22nd International Conference on Computational Statistics (Compstat 2016), Oviedo
  • February 2016, On semi-Markov modelling and inference for multi-state systems (with A. Karagrigoriou, A. Makrides), Symposium on Stochastic Models in Reliability Engineering, Life Science and Operations Management, Beer Sheva; article IEEE, DOI: 10.1109/SMRLO.2016.20
  • February 2016, Entropy and divergence rates for Markov chains (with A. Karagrigoriou), Symposium on Stochastic Models in Reliability Engineering, Life Science and Operations Management, Beer Sheva
  • June-July 2015, Survival analysis for semi-Markov systems, The 8th Congress of Romanian Mathematicians, Iaşi
  • June-July 2015, Failure analysis with uncertainties in electrical power systems (with A.P. Ulmeanu), Applied Stochastic Models and Data Analysis, Piraeus
  • June-July 2015, Semi-Markov modelling on multi-state systems (with A. Karagrigoriou and A. Makrides), Applied Stochastic Models and Data Analysis, Piraeus
  • June 2013, Estimation of the entropy of semi-Markov chains (with V. Girardin), Applied Stochastic Models and Data Analysis, Mataró
  • May 2013, Reliability modeling with hidden Markov and semi-Markov chains, Seventh International Workshop on Simulation, Rimini
  • June 2011, Mean hitting times for semi-Markov systems, Applied Stochastic Models and Data Analysis, Rome
  • May 2011, Estimation of the stationary distribution of a discrete-time semi-Markov process (with J. Bulla and A. Maruotti), International Conference on Risk Assessment, Limassol, Cyprus
  • July 2010, Testing hypotheses for semi-Markov processes (with G. Gayraud), Workshop in Applied Probability, Madrid
  • February 2010, Some algebraic methods in semi-Markov processes (with N. Limnios), Symposium on Stochastic Models in Reliability Engineering, Life Science and Operations Management, Beer Sheva
  • July 2007, Reliability of semi-Markov systems in discrete time: modeling and estimation (with N. Limnios), Mathematical Methods in Reliability, Glasgow
  • June 2007, Discrete-time semi-Markov and hidden semi-Markov models, Applied Stochastic Models and Data Analysis, Chania, Crete (plenary conference)
  • May 2005, Maximum likelihood estimation for hidden semi-Markov models (with N. Limnios), Applied Stochastic Models and Data Analysis, Brest

International Conferences with Proceedings

  • June 2024, Kernel estimation for continuous-time semi-Markov processes (with C. Ayhar, F. Mokhtari, S. Rahmani), International Symposium on Nonparametric Statistics-ISNPS2024, Braga
  • September 2023, Some statistical tests based on divergence measures (with T. Gkelsinis, A. Karagrigoriou), The 30th Conference of the Romanian Society of Applied and Industrial Mathematics, Iaşi
  • April 2023, Kernel estimators for continuous-time semi-Markov processes (with C. Ayhar, F. Mokhtari, S. Rahmani), The 24th Conference of the Romanian Society of Probability and Statistics, Bucureşti
  • April 2023, Investigating the dynamic of visual-motor skill acquisition in climbing through drifting Markov modeling (with E. N. Kalligeris, G. Hacques, L. Seifert, N. Vergne), The 24th Conference of the Romanian Society of Probability and Statistics, Bucureşti
  • November 2022, A continuous-time stepwise transitions semi-Markov system (with G. D'Amico, A. Makrides), The 23rd Conference of the Romanian Society of Probability and Statistics, Bucureşti
  • November 2022, Statistical inference for general order Markov chains based on weighted divergence measures (with T. Gkelsinis), The 23rd Conference of the Romanian Society of Probability and Statistics, Bucureşti
  • November 2022, smmR: an R package for Simulation, Estimation and Reliability of Semi-Markov Models (with F. Lecocq, C. Lothodé, N. Vergne), The 23rd Conference of the Romanian Society of Probability and Statistics, Bucureşti
  • November 2022, Drifting Semi-Markov Models: Estimation and Simulation through the dsmmR package (with I. Mavrogiannis, N. Vergne), The 23rd Conference of the Romanian Society of Probability and Statistics, Bucureşti
  • October 2022, Nonparametric estimation of some important reliability indicators for semi-Markov processes (with C. Ayhar, F. Mokhtari, S. Rahmani), Statistical Modeling with Applications (StatMod2022), Bucureşti
  • October 2022, dsmmR: Estimation and Simulation of Drifting Semi-Markov Models (with I. Mavrogiannis, N. Vergne), Statistical Modeling with Applications (StatMod2022), Bucureşti
  • October 2022, Limit laws and strong consistency of non parametric estimators for the main characteristics of continuous-time nite space semi Markov processes (with C. Ayhar, F. Mokhtari, S. Rahmani), Statistical Modeling with Applications (StatMod2022), Bucureşti
  • August-September 2022, Testing statistical hypotheses based on weighted divergence measures (with T. Gkelsinis), XVth French-Romanian Colloquium on Applied Mathematics, Toulouse
  • August 2022, Statistical inference based on weighted divergence measures (with T. Gkelsinis, A. Karagrigoriou), The 24th International Conference on Computational Statistics (Compstat2022), Bologna
  • September 2019, On dynamic modeling in reliability and survival analysis by means of timevarying parameters (with A. Karagrigoriou, A. Makrides), The 27ème Conference of the Romanian Society of Applied and Industrial Mathematics, Targoviste
  • July 2019, Risk models-based on uncertainty quantification for illicit traffic time series in customs context (with L. Hammadi, E. Souza de Cursi, A. A. Ouahman), 6th World Congress on Global Optimization (WCGO 2019), Metz
  • June 2019, Oracle inequalities and robust adaptive efficient estimation for continuous time semi-Markov regression models from continuous or discrete data (with S. Beltaief, S. Pergamenchtchikov), Forth International Conference on Stochastic Methods, Divnomorskoye
  • June 2019, Customs supply chain process design: an application of SCOR model (with L. Hammadi, E. Souza de Cursi, A. A. Ouahman, A. Ibourk), IEEE 7th International Conference on Advanced Logistics and Transport, Marrakech
  • May 2019, Hypotheses testing for semi-Markov processes (with G. Gayraud, N. Limnios, I. Votsi), The 22th Conference of the Romanian Society of Probability and Statistics, Bucureşti
  • September 2018, A Markov chain approach to stock model analysis and inference (with G. D’Amico, R. De Blasis), The 26th conference of the Romanian Society of Applied and Industrial Mathematics, Chisinau, Moldova
  • June 2018, Robust adaptive efficient estimation for a semi-Markov continuous time regression from discrete data (with S. Beltaief, S. Pergamenchtchikov), Third International Conference on Stochastic Methods, Divnomorskoye
  • April 2018, Step semi-Markov models and application to manpower management (with G. D'Amico, R. Manca and P. Petroni), The 21th Conference of the Romanian Society of Probability and Statistics, Bucureşti
  • September 2017, Generalized divergence measures for Markov chains (with A. Karagrigoriou and V. Preda), The 25th conference of the Romanian Society of Applied and Industrial Mathematics, Iaşi
  • April 2017, Entropy, divergence rates and weighted divergence rates for Markov chains (with A. Karagrigoriou and V. Preda), The 20th Conference of the Romanian Society of Probability and Statistics, Braşov
  • April 2017, Statistical inference for a general class of distributions with time-varying parameters (with A. Karagrigoriou et A. Makrides), The 20th Conference of the Romanian Society of Probability and Statistics, Braşov
  • April 2017, Semi-Markov processes for multi-state systems: modelling, estimation and reliability/survival analysis (with A. Karagrigoriou et A. Makrides), The 20th Conference of the Romanian Society of Probability and Statistics, Braşov
  • September 2016, Reliability for semi-Markov systems: modelling and estimation, The 24th conference of the Romanian Society of Applied and Industrial Mathematics, Craiova
  • May 2016, Robust estimation for a semi-Markov nonparametric regression model (with S. Beltaief and S. Pergamenchtchikov), 19th conference of the Romanian Society of Probability and Statistics, Bucureşti
  • May 2015, Entropy and divergence rates for Markov chains (with A. Karagrigoriou), 18th conference of the Romanian Society of Probability and Statistics, Bucureşti
  • September 2014, Semi-Markov modelling for multi-state systems (with A. Karagrigoriou and A. Makrides), 9th International Conference on Availability, Reliability and Security (ARES), Fribourg; article IEEE Computer Society (CPS), Proceedings ARES2014, ISBN-14: 978-1-4799-4223-7/14, 397-402, doi10.1109/ARES.2014.60
  • May 2014, Reliability modeling with hidden Markov and semi-Markov chains, 17th conference of the Romanian Society of Probability and Statistics, Bucureşti
  • April 2013, Hidden semi-Markov models, 16th conference of the Romanian Society of Probability and Statistics, Bucureşti
  • June 2012, Reliability estimation of semi-Markov processes, International Workshop in Applied Probability, Jerusalem
  • April 2011, The stationary distribution of a semi-Markov chain, 14th conference of the Romanian Society of Probability and Statistics, Bucureşti
  • April 2010, Some algebraic methods in semi-Markov chains (with N. Limnios), 13th conference of the Romanian Society of Probability and Statistics, Bucureşti
  • April 2008, Maximum likelihood estimation for hidden semi-Markov chains (with N. Limnios), 11th conference of the Romanian Society of Probability and Statistics, Bucureşti
  • April 2007, Estimation of semi-Markov and hidden semi-Markov chains, 10th conference of the Romanian Society of Probability and Statistics, Bucureşti
  • June 2004, Failure rate estimation for semi-Markov chains (with N. Limnios), Mathematical Methods in Reliability, Santa Fe

Invited Conferences without Proceedings

  • May 2024, Tests d'adéquation et d'homogénéité basés sur des divergences pondérées (with T. Gkelsinis, A. Karagrigoriou), Entropies et divergences : modélisation-statistique-algorithmique, Caen
  • March 2023, Statistical inference based on divergence measures (with T. Gkelsinis, A. Karagrigoriou, V. Preda), International Workshop of Statistics and its Applications-IWSA23, Saïda
  • December 2019, Modeling and estimation by means of drifting Markov and semi-Markov chains (with N. Vergne), Workshop Quantitative Methods for Intangibles Evaluation, DIMA, University Politecnica delle Marche, Ancona
  • December 2018, Statistical and computational issues for hidden semi-Markov models, 19th days of hte Network AIGM (Algorithmic Issues for Inference in Graphical Models), INRA Toulouse
  • October 2018, Hypothesis testing and posterior concentration rates in semi-Markov models (with G. Gayraud, N. Limnios, E. Votsi), STODEP2018-Statistical topics and stochastic models for dependent data, University of Rouen - Normandy
  • October 2018, Drifting Markov and semi-Markov models: modeling, estimation and applications (with N. Vergne), STODEP2018-Statistical topics and stochastic models for dependent data, University of Rouen - Normandy
  • November 2009, Reliability of semi-Markov systems, Advances on Degradation and Accelerated Life-Testing Models with Applications to Reliability and Survival Analysis, Workshop in Honour of W.Q. Meeker, Paris
  • September 2005, Research of patterns in DNA by hidden semi-Markov models (with N. Limnios), Conference in Honour of Niels Keiding, University Victor Segalen Bordeaux 2

International Conferences without Proceedings

  • December 2021, Numerical solutions of Markov renewal equations for continuous time semi-Markov processes (with C. Ayhar, F. Mokhtari, S. Rahmani), Statistical Modeling with Applications (Stat-
    Mod2021), Rouen
  • December 2021, Sequential interval reliability for semi-Markov repairable systems in discrete time (with G. D'Amico, T. Gkelsinis), Statistical Modeling with Applications (StatMod2021), Rouen
  • November 2020, Reliability of semi-Markov systems (with C. Ayhar, F. Mokhtari, S. Rahmani), Statistical Modeling with Applications (StatMod2020), Bucureşti
  • November 2020, Estimation of Beta-Pareto distribution based on several optimization methods (with B. Boumaraf, N. Seddik-Ameur), Statistical Modeling with Applications (StatMod2020), Bucureşti
  • November 2020, Theoretical aspects and practical implications on measures of weighted information (with T. Gkelsinis, A. Karagrigoriou), Statistical Modeling with Applications (StatMod2020), Bucureşti
  • November 2020, Hidden Markov models for risk time series in customs supply chain (with L. Hammadi, E. Souza de Cursi), Statistical Modeling with Applications (StatMod2020), Bucureşti
  • November 2020, Statistical inference in models with parameter dependence (with A. Makrides, A. Karagrigoriou), Statistical Modeling with Applications (StatMod2020), Bucureşti
  • December 2017, Robust adaptive efficient estimation for semi-Markov nonparametric regression models (with S. Beltaief and S. Pergamenchtchikov),The 6th Abu Dhabi University Annual International Conference: Mathematical, Physical Sciences and Engineering Applications, Abu-Dhabi
  • September 2016, Step semi-Markov models and application to manpower management (with G. D'Amico, R. Manca and P. Petroni), 40th conference of the Italian Association of Applied Mathematics to Economy and Social Sciences (AMASES), Catania
  • May 2016, Hidden Markov and semi-Markov models and their use in energy systems, workshop Research Challenges in Intelligent Energy Systems-Mathematical Models and Applications, University Politehnica of Bucureşti
  • September 2012, Novel advancements in the Markov chain stock model: analysis and inference (with G. D'Amico), 36th conference of the Italian Association of Applied Mathematics to Economy and Social Sciences (AMASES), Vieste
  • June 2009, Estimation of the stationary distribution of a semi-Markov chain, Third International Symposium on semi-Markov Models - Theory and Applications, Cagliari
  • May 2007, Discrete-time semi-Markov model applied to breast cancer (with C. Gras-Aygon and N. Limnios), Second International Conference on Cancer Risk Assessment, Santorini
  • January 2005, Maximum likelihood estimation for hidden semi-Markov chains, Statistics for Dependent Data (STATDEP 2005), CREST, Paris (Poster)

National French Conferences

  • June 2024, Modèles de Markov dérivants pour l'apprentissage de l'escalade (with E. N. Kalligeris, G. Hacques, L. Seifert, N. Vergne), The 55th Days of Statistics of the French Statistical Society, Bordeaux
  • July 2023, Asymptotic properties of sequential interval reliability for semi-Markov systems (with G. D'Amico, T. Gkelsinis), The 54th Days of Statistics of the French Statistical Society, Brussels
  • June 2022, Sequential Interval Reliablity for semi-Markov systems (with G. D'Amico, T. Gkelsinis), The 53th Days of Statistics of the French Statistical Society, Lyon
  • Mai 2018, DRIMM’R and WebDRIMM : an R package and a web interface for drifting Markov model estimation and reliability (with G. Brelurut, A. Gilles, A. Lefebvre, V. Mataigne, N. Vergne), The 50th Days of Statistics of the French Statistical Society, Paris-Saclay
  • Mai 2018, Estimation and reliability for a special type of semi-Markov processes (with A. Karagrigoriou, A. Makrides), The 50th Days of Statistics of the French Statistical Society, Paris-Saclay
  • Mai 2017, Estimation paramétrique des chaînes semi-markoviennes pour des données censurées (with C. Bérard, D. Cellier, M. Sautreuil and N. Vergne), The 49th Days of Statistics of the French Statistical Society, Avignon
  • Mai 2017, Drifting Markov models applied in reliability theory and survival analysis (with N. Vergne), The 49th Days of Statistics of the French Statistical Society, Avignon
  • November 2012, Sampling and factorial plans applied to choice experiments (with O. Arkoun, R. Crastes, F. Jia, D. Laroutis, S. Taibi-Hassani), 7th French Conference on Surveys, Rennes
  • June 2003, Nonparametric esimation of semi-Markov processes in discrete time and applications to reliability (with N. Limnios), 35th Days of Statistics of the French Statistical Society, Lyon

Seminars

  • June 2024, Statistical inference based on divergence measures (with T. Gkelsinis, A. Karagrigoriou), Seminar of the Babeş-Bolyai University, Cluj Napoca
  • June 2023, Goodness-of-fit tests based on weighted divergence measures (with T. Gkelsinis, A. Karagrigoriou), Seminar of the Laboratory of Mathematics of Reims
  • November 2022, Hypotheses testing based on weighted divergence measures (with T. Gkelsinis, A. Karagrigoriou), New Advances in Statistical Modeling and Applications, Bucharest University of Economic Studies, Bucureşti
  • April 2022, Inferential techniques based on divergence measures (with T. Gkelsinis, A. Karagrigoriou), LMRS'Days, Rouen
  • January 2020, Categorical functional data analysis: stochastic modelling (with V. Vandewalle, C. Preda), Modal's Days, Lens
  • April 2019, Robust, adaptive and efficient estimation of regression models with dependent noise, Seminar Probability, Statistics and Applications of LMA, University of Poitiers
  • April 2019, Drifting Markov and semi-Markov chains: modeling, estimation and applications in reliability and survival analysis, Seminar Statistics, Probability, Optimisation and Control, IMB, University of Bourgogne, Dijon
  • March 2019, New stochastic frameworks of (semi-)Markov type: modelling, estimation, reliability analysis, Seminar of LMAC, UTC, Compiègne
  • March 2019, Statistical topics of semi-Markov processes and new stochastic frameworks of (semi-)Markov type, Seminar of the team MODAL, INRIA, Lille
  • September 2018, Oracle inequalities and robust efficient estimation for semi-Markov nonparametric regression (with S. Beltaief, S. Pergamenshchikov), Seminar of probability theory and statistics of the Institute of Mathematical Statistics and Applied Mathematics “Gheorghe Mihoc-Caius Iacob” of Romanian Academy, Bucureşti
  • July 2018, Statistical topics for special cases of censored semi-Markov processes (with A. Karagrigoriou, A. Makrides), Seminar of the Moustic project, University of Rouen - Normandy
  • December 2017, Generalized divergence measures for Markov chains (with A. Karagrigoriou, V. Preda), Seminar of the Moustic project, University of Rouen - Normandy
  • December 2017, Robust adaptive efficient estimation for a continuous time regression model with the dependent noises (with S. Beltaief, S. Pergamenshchikov), Seminar of Statistics of Stochastic Processes of the International Laboratory of Statistics of Stochastic Processes and Quantitative Finance of National Research Tomsk State University, Tomsk
  • November 2017, Robust adaptive efficient estimation for semi-Markov nonparametric regression (with S. Beltaief and S. Pergamenshchikov), Department of Mathematics of the University of Athens
  • October 2017, Drifting Markov and semi-Markov models: modeling, estimation and applications in reliability and survival analysis (with N. Vergne), Seminar of Probability and Statistics, Laboratory Manceau of Mathematics, University of Maine, Le Mans
  • April 2016, On Semi-Markov modelling and inference for multi-state systems (with A. Karagrigoriou and A. Makrides), seminar of the Department of Mathematics of University of the Aegean, Samos
  • March 2015, Hidden semi-Markov models: statistical problems and applications, Institute of Mathematics of the Romanian Academy, Bucureşti
  • September 2012, Survival analysis for semi-Markov systems, seminar of the Department of Mathematics for Economic Decisions, University La Sapienza, Rome
  • September 2012, The use of statistical techniques in experimental sciences, seminar of the University G. D'Annunzio of Chieti-Pescara
  • May 2012, Reliability/survival analysis of semi-Markov systems: modeling and estimation, seminar of the Institute of Advanced Mathematical Research (IRMA), University of Strasbourg
  • January 2012, Hidden semi-Markov models, seminar of the Department of Mathematics for Economic Decisions, University La Sapienza, Rome
  • September 2011, Hidden semi-Markov Models, Working group Entropy, words, statistics, University of Caen
  • March 2007, Semi-Markov and Hidden semi-Markov Models, Statistics seminar, University of Liège
  • November 2006, Semi-Markov and Hidden semi-Markov Models, seminar of LMRS, University of Rouen
  • March 2006, Hidden semi-Markov models, European seminar Mathematical Methods for Survival Analysis, Reliability and Quality of Life, Pierre-and-Marie-Curie University
  • February 2005, Nonparametric estimation of semi-Markov chains and hidden semi-Markov chains, seminar Mathematics for Genome, University of Evry
  • March 2004, Nonparametric estimation for semi-Markov chain with application to reliability, European seminar Mathematical Methods for Survival Analysis, Reliability and Quality of Life, Paris Descartes University