News

2018

  • Meeting of the Bézout Labex - December 4, 2018: A one-day meeting of the Bézout Labex is organized on the site of Marne-la-Vallée. It will be the opportunity to: briefly present the past and future actions in the Labex, at the occasion of the change of head of the Labex (still to be confirmed by ANR), welcome three new members of the research ...
  • First meeting of the “machine learning and optimization” working group - November 6, 2018: The working group on “machine learning and optimization” is starting!  A first meeting will be held on November 6, 2018, and two introductory talks by Alexandre d’Aspremont and Guillaume Obozinski.  See the webpage for details.
  • The Bézout master program on France Culture - October 12, 2018: The France Culture radio channel studies the development of courses taught in English in French universities.  At this occasion, a Bézout master’s student is interviewed, explaining the benefits of the mathematics and computer science track, taught in English, and why it allows to attract international students.  The interview is available here.
  • Visit of Professor De Loera - September 2018 : Jesús De Loera is visiting the Bézout Labex, hosted by Frédéric Meunier (Cermics), Nabil Mustapha (LIGM) for one month. Jesús Antonio De Loera is a Mexican-American mathematician at the University of California, Davis, specializing in discrete mathematics and discrete geometry. In 2014, he became a Fellow of the American Mathematical Society for contributions to discrete geometry ...
  • Visit of Professor Belazzougui - August-September 2018: Djamal Belazzougui is visiting the Bézout Labex, hosted by Gregory Kucherov, for one month.
  • Conference RFIAP-CFPT 2018 - June 26-28, 2018: The events Reconnaissance des Formes, Image, Apprentissage et Perception (RFIAP) and Conférence Française de Photogrammétrie et de Télédétection (CFPT), partly organized by some Bézout Labex members, are organized on the site of Paris-Est.
  • Visit of Professor Aristoff - June 2018: David Aristoff is visiting for a month.  He is assistant professor at the department of mathematics of the Colorado State University. He develops numerical methods for high dimensional Monte Carlo simulations and analyzes them from a mathematical viewpoint. The scientific project for his stay concentrates on the study of piecewise deterministic Markov processes ...
  • School on Low-Dimensional Geometry and Topology: Discrete and Algorithmic Aspects - June 18-22, 2018: The school Low-Dimensional Geometry and Topology: Discrete and Algorithmic Aspects, fully supported by the Bézout Labex and organized by some of its members, takes place at Institut Henri Poincaré, Paris. It is aimed for both the mathematics and computer science communities.
  • Mathematics-computer science colloquium - June 5, 2018: To celebrate the arrival of our visiting professors UPE and Bézout Artem Zvavitch and Boris Bukh, Matthieu Fradelizi (LAMA) and Xavier Goaoc (LIGM) are pleased to invite you to attend a Mathematics-Computer Science colloquium in room 2B101 (renovated part of the building Copernic at UPEM). Program: 10:00-11:00: Artem Zvavitch (UPE invited professor and Kent ...
  • Visit of Professor Bukh - June 2018: Boris Bukh is visiting the Bézout Labex, hosted by Xavier Goaoc, for one month.  He is associate professor at the mathematics department of Carnegie Mellon University, in Pittsburg. He is a specialist of various aspects of combinatorics. He will work with Xavier Goaoc on geometric partitioning problems, pattern avoidance in order-types and questions ...
  • Course “Discrete topology and geometry and applications” - May-June 2018: A course “Discrete topology and geometry and applications” is starting. It is aimed at a broad audience, so everyone’s welcome! The course will cover some discrete theorems in topology (Sperner and Tucker) and geometry (Helly and Carathéodory) as well as several of their applications. We will illustrate how these theorems offer elementary gateways to ...

2017

  • Bézout-Airbus scientific workshop - On October 12, 2017, the Bézout Labex is organizing a Bézout-Airbus scientific workshop in Auditorium Georges Perec, UPEM, France The program
  • Visit of Professor Shafrir - September 2017: Itai Shafrir is visiting the Labex for a month.  He is a specialist of vector-valued variational problems, in particular those featuring an interplay of analysis and topology. During his stay in Labex Bezout he will collaborate with members of the laboratoire sharing the same interests and give a talk on his recent and ...
  • Visit of Professor Carstensen - August 2017: Carsten Carstensen is visiting for a month.  He is interested in the design and the mathematical foundation of adaptive algorithms and novel discretization schemes such as discontinuous Petrov Galerkin schemes in computational partial differential equations and the applied and numerical analysis of nonlinear phenomena in mechanics.
  • Conference CIAA 2017 - June 27-30, 2017: The conference CIAA 2017 (22nd International Conference Implementation and Application of Automata), co-organized by some members of the Bézout Labex, is taking place on the site of Paris-Est  in Marne-la-Vallée.  
  • Visit of Professor Zvavitch - June 2017: Artem Zvavitch is visiting for a month.  He is Professor at Kent State University. His main research interests are Convex Geometry, Geometric Functional Analysis, and applications of Probability and Harmonic Analysis to those subjects.
  • Visit of Professor Bose - June 2017: Arup Bose is visiting the Labex for a month.  He is Professor of Theoretical Statistics at the Indian Statistical Institute, Kolkata. He is a specialist in the theory of large random matrices, of sampling theory, and econometrics. He is invited in June 2017 to the LIGM by Philippe Loubaton and Jamal Najim to ...
  • Visit of Professor Bukh - May 2017: Boris Bukh is invited professor for one month.  He is associate professor at the mathematics department of Carnegie Mellon University, in Pittsburg. He is a specialist of various aspects of combinatorics. He visited LIGM for a month in may-june 2017 to work with Xavier Goaoc and Alfredo Hubard on geometric partitioning problems, pattern ...
  • Tournée de Pi 2017 - March 14, 2017 :  Pi day took place in Paris during the Mathematics week organized by The ministry of Education.

2016

  • Visit of professor Jesus De Lorea - September 2016 : Jesús Antonio De Loera is a Mexican-American mathematician at the University of California, Davis, specializing in discrete mathematics and discrete geometry. In 2014, he became a Fellow of the American Mathematical Society for contributions to discrete geometry and combinatorial optimization as well as for service to the profession, including mentoring and diversity.
  • Visit of professor C. CARSTENSEN - October 2016 : Professor Carsten CARSTENSEN  is interested in the design and the mathematical foundation of adaptive algorithms and novel discretization schemes such as discontinuous Petrov Galerkin schemes in computational partial differential equations and the applied and numerical analysis of nonlinear phenomena in mechanics.
  • Convex and Discrete Geometry Seminar - 31 May, 2016 : The Seminar “Convex and Discrete Geometry will be held in Université Paris-Est Marne la Vallée in the Copernic building Room 3B075 on the 3rd floor
  • Seminar on Convex and Discrete Geometry - The Seminar “Convex and discrete geometry ” will be held in Université Paris-Est Marne la Vallée in the Copernic building Room 3B075 on the 3rd floor on Tuesday 31 May, 2016.
  • Visit of Professor Antonio RESTIVO - March 2016 : Antonio Restivo was invited by Marie-Pierre Beal and Dominique Perrin of LIGM at Université Paris-Est Marne la Vallée for one month  (March 2016). He has worked at several topics in combinatorics on words, which lead in particular to a chapter (Enumerative Combinatorics on Words) of the CRC Handbook ‘Enumerative Combinatorics’ (Miklos Bona editor). ...
  • Visit of professor Xavier MESTRE - May 2016 : Xavier Mestre is a senior researcher at Centre Tecnològic de Telecomunicacions de Catalunya (Barcelona). He is an expert of applications of large random matrices to high-dimensional signal processing. During his stay, he will collaborate with P. Loubaton and J. Najim (LIGM) on large dimensional detection problems.
  • Visit of Professor Sergey BOBKOV - April 2016 : Sergey Bobkov’s research interests are at the frontier between probability theory, analysis, convex geometry and discrete mathematics. He made in particular important contributions to the study of isoperimetric inequalities for log-concave distributions, as well as in the study of various functional inequalities related to the concentration of measure phenomenon.
  • Visit of professor Imre Barany - May 2016 : Professor Barany is researcher at the Rényi Institute of Mathematics, member of the Hungarian Academy of Sciences and Professor at the University College London. He works in combinatorics, discrete geometry, convexity and their applications in computer science.
  • Visit of professor Artem ZVAVITCH - May 2016 : Professor Artem Zvavitch is Professor at Kent State University. His main research interests are Convex Geometry, Geometric Functional Analysis, and applications of Probability and Harmonic Analysis to those subjects.
  • Perspectives and new challenges in data science - February 3rd, 2016 at UPEM (Université Paris-Est Marne la Vallée)

2015

  • Scientific workshop Bézout-CEA - The Bézout Labex is organizing a half day workshop with CEA and more precisely l’Institut LIST ( Intégration de systèmes numériques, capteurs, traitement de données, communications, logiciels, etc…) of DRT (Direction Recherche et technologie). The meeting will be held in Université de Paris Bâtiment Copernic – salle séminaire LIGM Thursday, December 3rd 2015 9:00 Welcome 9:30 Presentation of LabEx Bezout 9:45 David Servat ...
  • Visit of professor Leonid Berlyand - November 2015 : Professor Leonid Berlyand is professor of mathematics at Penn State University in State College. He is an expert in the theory of homogenization, and in the last years has studied and developed mathematical models for cell motility and cell suspensions.
  • Visit of professor Sergey Bobkov - June 2015 : Sergey Bobkov’s research interests are at the frontier between probability theory, analysis, convex geometry and discrete mathematics. He made in particular important contributions to the study of isoperimetric inequalities for log-concave distributions, as well as in the study of various functional inequalities related to the concentration of measure phenomenon.
  • Visit of professor Romeo Rizzi - November 2015 :
  • Colloquium of Labex Bezout Imre Barany-Mikhail Berlinkov - May 19, 2015 : In Auditorium Maurice Gross – Bâtiment Copernic UPEM Program of the colloquium   9h30 – 10h00 :  Welcoming participants 10h00 – 11h00 : Mikhail Berlinkov (Ekaterinburg Russia) “Synchronizing automata and the Cerny conjecture” 11h00 – 11h30 : Coffee break 11h30 – 12h30 : Imre Barany (Budapest and London) “Extremal problems for convex lattice polytopes” In this survey I will present several extremal ...
  • Visit of professor Jesus De Lorea - October 2015 : Jesús Antonio De Loera is a Mexican-American mathematician at the University of California, Davis, specializing in discrete mathematics and discrete geometry. In 2014, he became a Fellow of the American Mathematical Society”for contributions to discrete geometry and combinatorial optimization as well as for service to the profession, including mentoring and diversity
  • Visit of professor Uli Wagner - September 2015 : Three one-month visits of Professor Uli Wagner (Institute of Science and Technology, Austria) are supported by the Labex Bezout for 2014-2016. During the first visit, in september 2014, Uli Wagner gave a talk in the probability seminar (LAMA) on higher-dimensional expanders (which served as an outlook of a serie of technical talks ...
  • Visit of professor Mikhail Berlinkov - May 2015 : Professor Mikhail Berlinkov is a young researcher from the Ural Federal University of Ekaterinburg, Russia. He works on the computational and probabilistic properties of finite state systems.
  • Scientific workshop Bézout-Huawei research center - April 3, 2015 Download the technical program Presentation of Mérouane Debbah (Huawei) Presentation of Jean-Christophe Pesquet (LIGM) Presentation of Frédéric Meunier (CERMICS) Presentation of Guillaume Obozinski (LIGM) Presentation of Jacques Printems (LAMA)
  • Scientific Workshop Labex Bezout/HUAWEI Research Center in Paris - April 3rd, 2015 : Amphi Navier ENPC (Ecole Nationale des Ponts et Chaussées) – 6 et 8 avenue Blaise Pascal – Cité Descartes 77455 Champs-sur-Marne Le Labex Bézout organise le 3 Avril 2015 de 9h00 à 13h00 à l’Amphi Navier de l’ENPC, une demi-journée de rencontre scientifique avec le centre de recherche de l’équipementier Télécom HUAWEI. ...
  • Visit of professor Alexander LITVAK - September – December 2015 : Alexander LITVAK is working in Asymptotic Theory of finite dimensional normed spaces and related topics in Convex Geometry and Probability. His research is devoted to the study of asymptotic behavior of convex bodies in high dimensional spaces as well as random aspects of that behavior. Probabilistic technique and tools play ...
  • Scientific workshop Labex Bézout / ANSES - March 3rd, 2015 : Presentation of CERMICS Presentation of LIGM Presentation of LAMA Presentation of Emilie CHOUZENOUX – LIGM Presentation of Grégory KUCHEROV – LIGM   Presentation of Julien PARINET – Laboratoire de Sécurité des Aliments in Maisons-Alfort Presentation of Guillaume GIRAULT – Laboratoire de Santé Animale in Maisons-Alfort Presentation of Benoît DURAND – Laboratoire de Santé Animale in Maisons-Alfort Presentation of Mélina LEBARBIER and ...
  • Visit of Professor Barany - January 13th to February 12th, 2015 Professor Imre BARANY is visiting the Bézout Labex   Professor Barany is researcher at the Rényi Institute of Mathematics, member of the Hungarian Academy of Sciences and Professor at the University College London. He works in combinatorics, discrete geometry, convexity and their applications in computer science.

2014

  • Visit of professor Uli Wagner - September 2014 : Three one-month visits of Professor Uli Wagner (Institute of Science and Technology, Austria) are supported by the Labex Bezout for 2014-2016. During the first visit, in september 2014, Uli Wagner gave a talk in the probability seminar (LAMA) on higher-dimensional expanders (which served as an outlook of a serie of technical talks ...
  • Visit of Friedhelm Schieweck - July and September 2014 : Professor Friedhelm Schieweck (University of Magdeburg) was supported for a two-week visit at the CERMICS Laboratory within the Labex Bezout. The visit took place from 17 to 25 July and from 22 to 26 September 2014. Pr. Schieweck delivered two one-hour lectures in front of an audience composed of researchers ...
  • Visit of professor Arturo Kohatsu-Higa - May – June – July 2014 : Professor Arturo Kohatsu-Higa has been invited for three months (May, June and July) by the Labex Bézout. He has given a lecture (6 times 3 hours) on”Stochastic Differential Equations with irregular coefficients” in June. This lecture was opened to master students, PhD students and researchers and was followed ...

2013

  • Visit of professor Jonathan Weare - February – March 2014 : Professor Jonathan Weare gave a series of four two-hours lectures for PhD students (Ecole Doctorale MSTIC) between February 5th and March 11th 2014. He discussed on various scientific topics, in particular with Mathias Rousset, Eric Cancès and Tony Lelièvre. In particular, J. Weare and T. Lelièvre started to work on ...
  • Bézout / Georgia Tech workshop - December 18, 2013 – The goal of this conference was to build some connections between the mathematical communities of Labex Bézout and the Georgia institute of Technology (Atlanta, USA). The presentions  and discussions made  during this event covered topics such as : large random matrices, functional inequalities, low rank matrix completion, extreme values, and semiparamtric mixture models. ...
  • Professor Codà Marques hired on a research chair - October 2013-June 2014: Fernando Codà Marques is hired on a Bézout research chair. He is now full professor at Princeton University, and famous for having settled, with Neves, a series of conjectures in differential geometry, starting with the Willmore conjecture. He was a plenary speaker at the 2014 International Congress of Mathematicians.  His visit had ...
  • Visit of professor Léonid Pastur - October 2013 : Professor L. Pastur visited both LAMA and LIGM in October 2013. Guédon, Pajor and Pastur finalized the work initialized during the Pastur’s first stay in 2012, concerning a central limit theorem for linear eigenvalue statistics of the sum of independent matrices of rank one. The corresponding paper has been published in a ...
  • Visit of professor Antonio RESTIVO - June 2013 : Professor Antonio Restivo was invited by Marie-Pierre Beal and Dominique Perrin for one month (june 2013). He has worked at several topics in combinatorics on words, which lead in particular to a chapter (Enumerative Combinatorics on Words) of the CRC Handbook ‘Enumerative Combinatorics’ (Miklos Bona editor). He has also interacted with several ...
  • Visit of Professor Jean-Luc Guermond - March – May 2013 : Professor Jean-Luc Guermond (Texas A&M University) was supported for a two-month visit jointly by University Paris-Est and Labex Bézout. The visit took place from 24 March, 2013 to 24 May, 2013. Pr.Guermond offered a graduate course (15 hours, within ED MSTIC) on advanced finite element methods for diffusive, saddle-point, transport ...
  • Visit of professor Sergey Bobkov - January – March 2013 : Sergey Bobkov, a professor at University of Minnesota at Minneapolis, visited LAMA for two months from 7 january to 6 march 2013. He gave a series of three  lectures devoted to  ‘Entropy, central limit theorem, and related problems’.  These lectures were related to his recent  work  on Berry-Essen bounds in the ...
  • Visit of professor Mustapha JAZAR - March 2013 : M. Jazar (Lebanese University) visited CERMICS in March 2013. He worked in collaboration with R. Monneau on the development of numerical methods to understand the phenomenon of seawater intrusion. The corresponding results have been published in SIAM J. on Appl. Math. in 2014.

2012

  • Visit of professor Leonid Pastur - October 2013 : Professor L. Pastur visited LAMA in October 2012, and started a joint work with Guédon and Pajor on central limit theorem for linear statistics of the sum of rank one independent matrices  rank one. Loubaton (LIGM) had also the opportunity to interact with L. Pastur on various topics such as the behaviour ...
  • Visit of professor Zenghu Li - September 2012 : Professor Zenghu Li (Beijing Normal University) visited J.-F. Delmas from 02/09/2012 to 01/10/2012. He gave a talk at the ANR A3 (PI J.-F. Delmas) workshop at CIRM (Marseille) during the first week of september. Then, he worked with J.-F. Delmas on the research programm of his PhD student Hongwei Bi on branching ...
  • Visit of professor Antoine DEZA - August 2012 : Antoine Deza (Mac Master University, Canada) visited CERMICS from July 1 to August 31.  He worked in collaboration with F. Meunier and P. Sarabezolles (CERMICS) on a combinatorial approach to colourful simplicial depth conjecture. The conjecture has been verified  in dimension 4, and the known lower bounds in higher dimensions have been ...
  • Visit of professor Alejandro MAAS - February – May 2012 : The professor Alejandro Maass (University of Chile) was invited by Bernard Host for four months from February to May 2012, two of which were financed by the Labex. This was a very fruitful visit. He gave a colloquium Math-info in Marne on “Rigidity results in cellular automata theory: probabilistic and ...
  • Visit of professor Zoltan ESIK - February 2012 : Zoltan Esik (Department of Computer Science, Szeged University) visited LIGM 1 month in February 2012. He initiated with Arnaud Carayol a work on the characterization of synchronizations trees definied by systems of functional equations. Together with Luca Aceto and Anna Ingólfsdóttir (School of Computer Science Reykjavik University), they obtained a full characterization ...
  • Visit of professor Gabriele Steidl - During the visit of Gabriele Steidl, new solutions for restoration problems involving images corrupted with Poisson noise have been devised. The idea is to employ an Anscombe based approximation which allows the variational problem to be formulated as a constrained convex optimization problem. The constraint is addressed through a novel epigraphical techniques and recent primal-dual ...
  • Visit of professor Prasad TETALI - Prasad Tetali (Georgia Institute of Technology, Atlanta) has been  invited for a one month visit during the academic year 2011-2012. He worked with N. Gozlan, C. Roberto (Univ. Paris 10) and P.-M. Samson  on optimal transport  and its link with the Ricci curvature  on  discrete spaces. In Riemannian geometry, this subject attracted a lot of ...