Research Seminars

Tuesday 23/5/2023, 16:15: Angelos Alexopoulos (Dept. of Economics, AUEB): "A machine learning and network approach to Value Added Tax fraud detection"

Wednesday 17/5/2023, 12:15: Sir D. J. Spiegelhalter "A statistician working with the media: stories of successes and disasters"

Friday 12/5/2023, 15:15: E. Kaskiavellis (Data Scientist/Industrial Statistician, Τμήμα Τεχνολογίας & Καινοτομίας, Ελληνική Βιομηχανία Αλουμινίου (ΕΛΒΑΛ)) and P. Tsiamyrtzis (Dept. of Mechanical Engineering, Politecnico di Milano & Dept. of Statistics, Athens University of Economics and Business)

Friday 7/4/2023, 12:00: Lampros Gavalakis, (Gustave Eiffel University, France): "An information-theoretic Central Limit Theorem for discrete random variables"

Friday 28/4/2023, 15:00: Panayotis Mertikopoulos, Department of Mathematics, National and Kapodistrian University of Athens: "The dynamics of AI" (the pdf of the presentation can be found here)

Tuesday 28/3/2023, 13:00: Petros Dellaportas, (Department of Statistics, Athens University of Economics and Business & UCL): "Can independent Metropolis samplers beat Monte Carlo?"

Friday 17/3/2023, 13:00: Luca Andriani, School of Business, Economics and Informatics, Birkbeck University of London, UK: "Life Satisfaction and Tax Preferences in Transition Economies"

Monday 13/2/2023, 13:00: Petros Pehlivanoglou, (University of Toronto): "How statistical theory shapes health policy"

Wednesday 14/12/2022, 13:00: Evanggelos Ioannidis, (Department of Statistics, Athens University of Economics and Business): "A new non-parametric Cross-Spectrum Estimator"

Friday 9/12/2022, 15:00: Georgia Papadogeorgou, (Department of Statistics, University of Florida): "Covariate-informed latent interaction models: Addressing geographic taxonomic bias in predicting bird-plant interaction"

Friday 2/12/2022, 15:00: Joris Bierkens, (Delft Institute of Applied Mathematics, NL): "Federated Bayesian Computation via Piecewise Deterministic Markov Processes" (a pdf of the presentation can be found here)

Friday 25/11/2022, 11:15: Bernhard Schipp (Technische Universität Dresden): "Time dependent return distributions, nonlinear Fokker-Planck dynamics and the Tsallis-entropy"

Friday 11/11/2022, 13:00: Spyros Dafnis (Agriculutral University of Athens): "Weak Runs in Sequences of Binary Trials: Distributions and Applications"

Wednesday, 2/11/2022, 12:00: Κonstantinos Fokianos, (Department of Mathematics and Statistics, Cyprus University): "Non-linear Network Autoregression"

Tuesday, 18/10/2022, 16:15: L. Egidi and I. Ntzoufras: "A Unified Bayesian Model for Predicting Volleyball Games"

Friday, 7/10/2022, 14:00: Nikolaos Ignatiadis (Columbia University, Department of Statistics): "Confidence Intervals for Nonparametric Empirical Bayes Analysis" (the pdf of the presentation can be found here and a video is available here)

Thursday 30/9/2021, 12:30: Aristidis Nikoloulopoulos (Associate Professor in Statistics, School of Computing Sciences, University of East Anglia, UK): "Bi-factor and second-order copula models for item response data" (Presentation pdf can be found here and the video here)

Friday 8/10/2021, 13:30: Sylvia Frühwirth-Schnatter (Department of Finance, Accounting, and Statistics, WU Vienna University of Economics and Business, Vienna, Austria): "From here to infinity -- bridging finite and Bayesian nonparametric mixture models in model-based clustering" (Pdf of the presentation can be found here and a video here)

Thursday 14/10/2021, 13:30: Lampros Bouranis (Research Fellow, Department of Statistics, AUEB): "Statistical Network Analysis with Bergm" (Pdf of the presentation can be found here and a video here)

Monday 25/10/2021 to Saturday 30/10/2021: "Working Group on Model-Based Clustering Autumn Session"

Friday 29/10/2021, 13:30: George Deligiannidis (Associate Professor of Statistics, Department of Statistics, University of Oxford): "Quantitative Uniform Stability of the Iterative Proportional Fitting Procedure" (Pdf of the presentation can be found here and a video here)

Friday 12/11, 13:30: Hernando Ombao (Principal Investigator, Biostatistics Group, King Abdullah University of Science and Technology (KAUST), Saudi Arabia): "Exploring Spectral Dependence in Multivariate Time Series" (A video of the presentation can be found here)

Friday 19/11/2021, 16:00: Giorgos Bakoyannis (Assistant Professor, School of Public Health, Indiana University School of Medicine, Indianapolis, Indiana): "Estimation of optimal individualized treatment rules for multistate disease processes" (You can view the presentation slides here)

Friday 26/11/2021, 13:30: Andreas Makrides (Lab of Statistics and Data Analysis (LabSTADA), Department of Statistics and Actuarial-Financial Mathematics, University of the Aegean): "A new framework of semi-Markov processes for parameter estimation and Reliability Analysis" (Presentation slides can be found here.)

Friday 10/12/2021, 13:30: Angelos Alexopoulos (Research Associate, MRC Biostatistics Unit, University of Cambridge, UK): "Variance reduction for MCMC estimators"

Friday, 11/2/2022, 13:30: Nial Friel (School of Mathematics and Statistics, University College Dublin, IE): "Assessing competitive balance in the English First Division/Premier League for over forty seasons using a stochastic block model" (A pdf of the presentation can be found here)

Friday, 25/2/2022, 13:00: Vasilis Chasiotis (Department of Statistics, AUEB, GR): "Subset selection for big data regression: an improved approach" (A pdf of the presentation can be found here)

Friday, 11/3/2022, 13:00: Eleni-Rosalina Andrinopoulou (Erasmus University Medical Center, Rotterdam, NL): "Investigating the impact on dynamic predictions and effect sizes when misspecifying the associations between outcomes" (A pdf of the presentation can be found here and a video here.)

Friday, 18/3/2022, 13:00: Anestis Touloumis (School of Architecture, Technology and Engineering, University of Brighton, UK): "Hypothesis Testing for the Covariance Matrix in High-Dimensional Transposable Data with Kronecker Product Dependence Structure" (You can watch a video of the presentation here)

Friday, 1/4/2022, 13:00: Polychronis Economou (Department of Civil Engineering, University of Patras, GR): "Μεροληπτική δειγματοληψία και σταθμισμένες κατανομές"

Friday, 8/4/2022, 13:00: Sonia Malefaki (Department of Mechanical Engineering and Aeronautics, University of Patras, GR): "A Bayesian Metafrontier Stochastic Model: A cross-country comparison"

Thursday, 14/4/2022, 12:00 - 15:00: Tom Britton (Department of Mathematics, Stockholm University): "Mathematical models for epidemics with illustrations for Covid-19"

Friday, 6/5/2022, 13:00: Irini Moustaki (Department of Statistics, London School of Economics & Political Science, UK): "Detection of two-way outliers in multivariate data and application to cheating detection in educational tests" (A pdf of the presentation can be found here)

Wednesday, 18/5/2022, 13:00: Sergios Agapiou (Department of Mathematics and Statistics, University of Cyprus, CY): "Adaptive rates of contraction for spatially inhomogeneous unknowns" (A pdf of the presentation can be found here)

Monday, 30/5/2022, 13:30: Leonardo Egidi (University of Trieste): "A Bayesian fairy tale: the mysteries of the mixtures. Priors, likelihoods and other 'multi-headed' monsters"

Thursday , 9/6/2022, 15:00: Massimo Filippini, (Dep. of Man­age­ment, Tech­no­logy, and Ec., En­ergy Sci­ence Cen­ter (ESC), ETH Zurich): "Sustainable Finance Literacy and the Determinants of Sustainable Investing"

Monday 27/6/2022: Tapabrata Maiti, Michigan State University: "Statistical Foundation of Deep Learning: Application to Big Data"

Wednesday 30/9/2020, 12:30: Stavros Vakeroudis, Department of Statistics and Actuarial-Financial Mathematics, University of the Aegean: "Stochastic Processes Windings and Applications" (Presentation slides can be found here)

Thursday 8/10/2020, 12:30: Ioannis Triantafillou, Department of Computer Science and Biomedical Informatics, University of Thessaly, Lamia: "On the signature of coherent reliability systems: advances and applications" (Presentation slides can be found here)

Thursday 22/10/2020, 12:30: Petros Dellaportas, Professor in Statistical Science, Department of Statistical Science, University College London and Professor of Statistics, Department of Statistics, Athens University of Economics and Business: "Scalable Gaussian Processes, with Guarantees: Kernel Approximations and Deep Feature Extraction" (Presentation slides can be found here)

Thursday 12/11/2020, 12:30: Eleni Vatamidou (Senior SNSF Researcher, Department of Actuarial Science, Université de Lausanne): "Efficient Simulation of Ruin Probabilities When Claims are Mixtures of Heavy and Light Tails" (Presentation slides can be found here)

Thursday 19/11/2020, 12:30: Chris J Oates (Chair in Statistics, School of Mathematics, Statistics & Physics, Newcastle University, UK): "Recasting Sampling as Optimisation via Stein's Method" (Presentation slides can be found here)

Thursday 17/12/2020, 12:30: Odysseas Kanavetas (Leiden University, Mathematical Institute): "Optimal data driven policies under constrained multi-armed bandit observations" (The presentation's pdf can be found here)

Friday 4/12/2020, 13:30: Fotios S. Milienos (Assistant Professor, Department of Sociology, Panteion University of Social and Political Sciences, Greece): "General Families of Cure Rate Models and Some of its Properties" (Presentation slides can be found here)

Friday 15/1/2021, 13:30: Xanthi Pendeli  (Assistant Professor, Department of Statistics, Athens University): "Modeling Multivariate Surveillance Data" (Presentation slides can be found here)

Friday 15/1/2021, 14:00: Panagiotis Papastamoulis (Assistant Professor, Department of Statistics, Athens University of Economics and Business): "Integrating R and C++ exemplified by stochastic gradient MCMC sampling" (Presentation slides can be found here)

Thursday 21/1/2021, 12:30: Evangelos Evangelou (Assistant Professor, Hygiene and Epidemiology Department, Faculty of Medicine, School of Health Sciences, University of Ioannina): "Analysis of large-scale genetic data"

Thursday 18/2/2021, 17.00-20.45: AUEB Stats PhD Day

Friday 19/2/2021, 13:30: Apostolos Gkatzionis, MRC Integrative Epidemiology Unit, University of Bristol: "Selection bias in Mendelian randomization" (Presentation slides can be found here)

Thursday 4/3/2021, 12:30, William Greenall (PhD student, UCL. Supervisor: Petros Dellaportas): "Practical Distributionally Robust Markov Decision Processes using Relative Entropy" (Presentation slides can be found here)

Thursday, 24/3/2021, 11:30: Ioannis Kosmidis, (Department of Statistics, University of Warwick, Coventry, United Kingdom, The Alan Turing Institute, London, United Kingdom) Joint work with:
Nicola Lunardon (University of Milano-Bicocca, Milan, Italy): "Improved estimation of partially-specified models" (Presentation video can be found here)

Thursday 1/4/2021, 12:30: Ioanna Manolopoulou, (Department of Statistical, Science, UCL, UK), Joint work with: Mariflor Vega and Mirco Musolesi: "Posterior summaries of topic models: an example from grocery retail baskets"

Thursday 22/4/2021, 15:30: Panayiota Touloupou, (School of Mathematics, University of Birmingham): "Scalable inference for epidemic models with individual level data"  (Presentation slides can be found here)

Thursday 13/5/2021, 12:30: Yiannis Kamarianakis, (Principal Researcher, Statistical Learning Lab, Institute of Applied and Computational Mathematics, FORTH): "Regime-switching forecast combinations: a 2-stage scheme for wind-farm energy outputs" (Presentation video can be found here)

Thursday 27/5/2021, 12:30: Alexandros Beskos (Associate Professor in Statistics, Department of Statistical Science, UCL, UK): "Manifold Markov chain Monte Carlo methods for Bayesian inference in a wide class of diffusion models" (Presentation's pdf can be found here and a video here)

Monday 31/5/2021 (17:00 - 18:00) and Monday 7/6/2021 (16:00 - 17:00), Stefanos Kehagias, (PhD, Education Manager, SAS Institute): "Writing, Presenting & Developing. Our Story Telling Ways"

Thursday 10/6/2021, 12:30: Samis Trevezas, (Department of Mathematics, University of Athens): "Monte-Carlo Statistical Methods for Parameter Estimation of the GreenLab Plant Growth Model" (Presentation video can be found here)

Thursday 24/6/2021, 12:30: Eftychia Solea, (CREST, ENSAI, Rennes, France): "Nonparametric and high-dimensional functional graphical models" (Presentation slides can be found here and a video here)

Friday, 29/5/2020, 16:00: Andreas Karabis, (PhD, Sr. Principal, Head of EMEA Delivery Hub Real World Services, IQVIA): "Statistics for Health Economic Evaluation: Introduction & Opportunities"

Thursday 21/5/2020, 13:00, Evangelos Evangelou, (Medical School, University of Ioannina): "Analysis of large-scale genetic data"

Thursday 30/4/2020, 13:00, Fotios S. Milienos (Assistant Professor, Department of Sociology, Panteion University of Social and Political Sciences, Greece): "A General Family of Cure Rate Models and Some of its Properties"

Monday 23/3/2020, 13:00, Apostolos Gkatzionis, Paul J. Newcombe and Stephen Burgess (MRC Biostatistics Unit, University of Cambridge): "Mendelian Randomization"

Thursday 19/3/2020, 13:00, Odysseas Kanavetas (Leiden University, Mathematical Institute): "Optimal data driven policies under constrained multi-armed bandit observations"

Thursday 20/2/2020, Maarten Marsman (Assistant Professor, Department of Psychological Methods, University of Amsterdam): "Bayesian Variable Selection for the Ising Network Model with Applications in Psychology"

New AUEB R Seminars 3/3/2020 - 3/4/2020 and 27/4/2020 - 29/5/2020

Thursday, 6/2/2020, 13:15, Philippe Castagliola, University of Nantes (France): "Monitoring Compositional Data using Multivariate EWMA"

Friday,  20/12/2019, 13:15, Konstantinos Perrakis, Department of Mathematical Sciences, Durham University: "Latent group structure and regularized regression"

Thursday, 12/12/2019, 13:15, Milan Vojnovic, Department of Statistics, London School of Economics: "Learning to Match in Online Platforms" (slides available here)

Friday, 8/11/2019, 13:15, Alex Karagrigoriou, Laboratory of Statistics and Data Analysis, University of the Aegean: "Recent Advances on Divergence-Based Inference"

Wednesday, 18/3/2019, 13:15: George Karagiannis, Durham University, Department of Mathematical Sciences: "Bayesian analysis of multifidelity computer models with local features and non-nested experimental designs: Application to the WRF model"

Tuesday, 2/10/2019, 13:15: Silvia Bozza, Dipartimento di Economics, Ca’ Foscari University of Venice (Italy) School of Criminal Justice, University of Lausanne (Switzerland): "The role of scientific evidence at trial"

Thursday, 28/3/2019, 12:00: Marta Nai Ruscone, Università Carlo Cattaneo (LIUC): "Clustering ranking data via copulas"

Friday 15/3/2019, 11:00: Ioannis Tsitsiklis. MIT: "Safeguarding Privacy in Dynamic Decision-Making Problem"

Thursday 21/2/2019, 13:00: Dimitris Korobilis, University of Essex - Essex Business School: "High-Dimensional Macroeconomic Forecasting Using Message Passing Algorithms"

John Forster, University of Southampton: "Inference for population change from diverse categorical data"

Thursday 10/1/2019, 13:00: Anable Forte Deltell, University of Valencia: "Group invariance for objective prior elicitation in testing problems"

Tuesday, 12/12/2018: 13:00: John Kornak, University of California: "A new approach to Bayesian image analysis"

Thursday, 29/11/2018, 13:00: Dr. Leonardo Egidi, Postdoctoral Researcher, Department of Economics, Business, Mathematics and Statistics, University of Trieste: "Pivotal methods for Bayesian mixture models and classical k-means algorithm initialization"

Thursday, 8/11/2018: Lampros Bouranis, University College Dublin: "Bayesian model selection for exponential random graph models via adjusted pseudolikelihoods"

Tuesday, 16/10/2018: 13:00: Prof. Dr. Meinhard Kieser, Institute of Medical Biometry and Informatics, University of Heidelberg, Germany: "Phase II trials in oncology – is Simon’s optimal design the optimum?"

Wednesday, 3/10/2018, 13:00: Jonas Andersson, Norwegian School of Economics: "A dynamic binomial model with application to the propensity to use tax amnesty"

Thursday, 27/9/2018, 13:00: Ahilleas Tzioufas, University de Sao Paulo: "An introduction to certain recent advances on the contact process particle system"

Friday, 6/7/2018: 13:00: Mihalis Tsagris, Postdoctoral researcher in Bioinformatics, Department of Computer Science, University of Crete, Greece: "The elliptically symmetric angular Gaussian distribution for modeling spherical data"

Thursday, 14/6/2018, 13:00: Panagiotis Papastamoulis, The University of Manchester, Division of Informatics, Imaging & Data Sciences: "Bayesian identification of differentially expressed transcripts using RNA-Seq data"

Thursday, 10/5/2018, 13:15: Nial Friel, School of Mathematics and Statistics, University College Dublin: "Interlocking directorates in Irish companies using a latent space model for bipartite networks"

Monday, 21/5/2018, 13:00: Dimitrios Asteriou, Department of Accounting, Finance and Economics,Oxford Brookes University: "Structural Breaks and Herding Behaviour in Cryptocurrencies"

Thursday, 3/5/2018, 13:10: Gianluca Baio, Department of Statistical Science, University College London: "Bayesian methods in health economics" (οι διαφάνειες της παρουσίασης βρίσκονται εδώ) και στις 14:20, Giacomo Zanella, Bocconi University: "Complexity and optimization of the Gibbs Sampler for multilevel Gaussian models" (οι διαφάνειες της παρουσίασης βρίσκονται εδώ)

Thursday, 19/4/2018: Ateev Mehrotra, Department of Health Care Policy and Medicine, Harvard Medical School: "Is a Visit to the Doctor Now Obsolete? Delivery Innovation as a Means of Fixing Health Care"

Monday, 16/4/2018 until Friday, 20/4/2018: Helene Massam, Professor, Department of Mathematics and Statistics, York University, Canada: "A short Course on GRAPHICAL MODELS"

Friday, 30/3/2018: Georgios Bartzis, Department of Plant Sciences, Group of Mathematical and Statistical Methods – Biometrics, :Wageningen University and Research Center: "Estimating metabolite networks using a multi-step network approach that integrates information from lower leveled omic graphical structures"

Wednesday, 21/3/2018, 13:30: Guido Consonni, Universita' Cattolica del Sacro Cuore, Milan, Italy: "Learning Markov Equivalence Classes of Directed Acyclic Graphs: an Objective Bayes Approach"

Tuesday, 6/3/2018, 15:15: Prof. Dr. Meinhard Kieser, Institute of Medical Biometry and Informatics, University of Heidelberg, Germany: "Phase II trials in oncology – is Simon’s optimal design the optimum?"

Friday, 22/12/2017, 13:15: Konstantinos Perrakis, DZNE: German Center for Neurodegenerative Diseases, Bonn: "Scalable Bayesian regression in high dimensions with multiple data sources"

Thursday, 14/12/2017, 13:15: Nickolas Protonotarios, Doctoral Researcher, Academy of Athens, Founder and Organizer of Hub Science: "Attenuated spline reconstruction technique for nuclear emission tomography"

Thursday, 23/11/2017, 12:15: Taps Maiti, Professor, Graduate Director, Department of Statistics and Probability, Michigan State University: "High-dimensional model building for Spatial Regression"

Thursday, 2/11/2017, 13:00: Brendan Murphy, Professor of Statistic, School of Mathematics & Statistics, University College Dublin: "Latent Space Stochastic Block Model for Social Networks"

Wednesday, 13/9/2017, 13:00: Nikos Kavalaris, Professor, University of Chester, UK: "Optimal portfolio and Consumption allocation under a Disappointment Aversion Type Utility Function"

Thursday, 7/9/2017, 12:30: George Athanasopoulos, Associate Professor and Deputy Head, Department of Econometrics and Business Statistics, Monash University, Victoria, Australia: "Forecasting cross-sectional and temporal hierarchies through trace minimization"

Wednesday, 21/6/2017, 12:15: Ioannis Thomas Pavlidis, Eckhard-Pfeiffer Professor, Computational Physiology Lab, University of Houston: "Reforming Data Management in Human Experiments"

Thursday, 8/6/2017, 12:15: Liang Feng, Assistant Professor, Department of Electrical Engineering, University at Buffalo: "Scalable Approximation Algorithms for Bayesian Variable Selection"

Monday, 22/5/2017 - Friday 26/5/2017: Alan Agresti, Professor, Department of Statistics, University of Florida: A short Course on Categorical Data Analysis

Thursday, 25/5/2017, 12:15: Κώστας Καλογερόπουλος, Associate Professor, Department of Statistics, London School of Economics: "Sequential and Hybrid Monte Carlo for continuous time stochastic volatility models with memory"

Thursday, 4/5/2017, 12:15: Σταύρος Νικολακόπουλος, University Medical Center Utrecht, Department of Biostatistics: "Dynamic borrowing through empirical power priors that control type I error"

Thursday, 27/4/2017, 12:15: Helene Massam, Professor, Department of Mathematics and Statistics York University: "Existence of the maximum likelihood estimate in discrete graphical models"

Tuesday, 25/4/2017, 12:15: Andreas Karampis, Director, Head of Modeling and Evidence Synthesis Services, Mapi Group Utrecht, the Netherlands: "Μέρος Α: Mapi Group: Παρουσίαση της εταιρείας και των ευκαιριών απασχόλησης για φοιτητές και επαγγελματίες Μέρος: Ο ρόλος της μετα-ανάλυσης στον κύκλο ζωής φαρμάκου"

Thursday, 6/4/2017, 12:15: Athanasios Sachlas, Department of Statistics, Athens University of Economics and Business: "An One-Sided Procedure for Monitoring Variables Defined on Contingency Tables"

Thursday, 26/1/2017, 13:00: Christina Parpoula, Department of Statistics, Athens University of Economics and Business: "Analyzing supersaturated designs for discrete responses via generalized linear models"

Tuesday, 10/1/2017, 13:00: Stefanos Kechagias, SAS Institute

Friday, 23/12/2016, 13:00: Nikolas Kantas, Dept. of Mathematics, Imperial College London: "Particle filtering: a survey on the methodology and some extensions that are useful for high dimensional systems"

Thursday, 15/12/2016, 13:00: Dionissios Hristopulos, Technical University of Crete: "Modeling Earthquake Recurrence Times using Physical Insights and Statistical Analysis"

Monday, 12/12/2016, 14:00: Panos Toulis, University of Chicago, Booth School of Business: "PART A: Causal inference in statistics and econometrics and PART B: Research Opportunities for Statistics Graduates in the University of Chicago"

Thursday, 10/11/2016, 13:00 (exactly): Athanassios Rakitzis, Department of Mathematics, University of Aegean: "Control Charts for Monitoring Correlated Zero-Inflated Counts"

Wednesday, 26/10/2016, 15:00: Gonzalo Garcia-Donato, Department of Economy and Finance, Universidad de Castilla-La Mancha, Spain: "Criteria for Bayesian model choice and implications on the n<<p problem"

Wednesday, 5/10/2016, 15:00: Brendan McCabe, Management School, University of Liverpool: "Attempting to Model the Timing, Severity and Duration of Seasonal Influenza"