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  • School - Mathematical Methods of Statistics
    Jun 20, 2016 to Jun 25, 2016

    Angers, from June 20th to June 25th

    Organization board: Piotr Graczyk, Frédéric Proïa


    1. MAIN LECTURES (3-5 hours each) by invited professors (see Program)
    2. "LIGHTNING" TALKS (5 minutes) by participants
    3. POSTER SESSION by participants

    PARTICIPATION FEE (including Board and lodging) 75E.

    DEADLINE FOR REGISTRATION: Monday June 6, 2016

  • France excellence - Ecole d'été en mathématiques
    Jun 27, 2016 to Jul 13, 2016


    Cette initiative lancée par l'ambassade de France en Chine, en collaboration avec l'Université de Rennes 1, l'UFR de mathématiques et le Centre Henri Lebesgue permet à d'excellents étudiants chinois dans la discipline de mathématiques-statistique, de participer à des cours de niveau master 2 à Rennes. Les cours seront dispensés en anglais, et seront suivis de sessions de travaux pratiques et de module d’initiation à la recherche. Des cours de langue française et des visites culturelles complètent le programme.

    Program Summer school-Statistics: France Excellence

    Monday 27th June
    8:00-8:30 Welcome – Université Rennes 1, Tour de math
    8:30-11:30 J.F. Dupuy, Regression modeling for financial analysis (I)

    Tuesday 28th June
    10:00-12:00 Y. Hu, Random variables and conditioning (I)
    13:45-16:45 French langage courses

    Wednesday 29th June
    10:00-12:00 Y. Hu, Random variables and conditioning (II)

    Thursday 30th June
    8:00-10:00 J.F. Dupuy, Regression modeling for financial analysis (II)
    13:45-16:45 French langage courses

    Friday 1st July
    10:00-12:00 Y. Hu, Random variables and conditioning (III)
    13:45-16:45 French langage courses

    Monday 4th July
    10:00-12:00 R. Le Guevel, Inferential statistics, hypothesis testing (I)
    13:45-16:45 French langage courses

    Tuesday 5th July
    10:00-12:00 R. Le Guevel, Inferential statistics, hypothesis testing (II)
    14:00-16:50 31st IWSM 2016

    Wednesday 6th July
    08:00-10:00 R. Le Guevel, Inferential statistics, hypothesis testing (III)
    10:15-12:15 R. Le Guevel, Inferential statistics, hypothesis testing (labs)
    13:45-16:45 French langage courses

    Thursday 7th July
    9:00-12:00 V. Monbet, Statistical learning, graphical models (I)
    14:00-16:00 V.Monbet, Statistical learning, graphical models (labs)

    Friday 8th July
    9:00-12:00 V. Monbet, Statistical learning, graphical models (II)
    13:45-16:45 French langage courses

    Monday 11th July
    10:00-12:00 E. Hillion, Introduction to Markov chains (I)
    13:45-16:45 French langage courses

    Tuesday 12th July
    08:00-10:00 J.F. Dupuy, Regression modeling for financial analysis (labs)
    10:00-12:00 E. Hillion, Introduction to Markov chains (II)
    14:00-16:00 E. Hillion, Introduction to Markov chains (labs)

    Wednesday 13th July
    10:00-12:00 E. Hillion, Introduction to Markov chains (III)
    12:15-12:45 Closing meeting


    J.F. Dupuy E. Hillion Y. Hu R. Le Guevel V. Monbet


    Grimmett et Stirzaker, Probability and random processes, Oxford University Press.
    Trevor Hastie, Robert Tibshirani, Jerome Friedman, The Elements of 
Statistical Learning, 3 and 17.

  • 5 minutes Lebesgue
    Jun 28, 2016

    The movies will be available online a few days after the talks.

    Forthcoming talks

    21-06-2016:  Christophe Ritzenthaler
    Les 100 prisonniers

  • Conference - 31st International Workshop on Statistical Modelling
    Jul 4, 2016 to Jul 8, 2016

    Rennes, from July 4th to July 8th

    Organization board: Pierrette Chagneau, Jean-François Dupuy, Martine Fixot, Julie Josse, Nathalie Krell, James Ledoux, Laurent Rouvière, Myriam Vimond

    Welcome to the webpage of the 31st International Workshop on Statistical Modelling (IWSM).

    The 31st edition of the IWSM will be held in Rennes (France) from 4 to 8 July 2016, hosted by the Institut National des Sciences Appliquées.

    IWSM is one of the major activities of the Statistical Modelling Society, founded with the purpose of promoting and encouraging statistical modelling in its widest sense, involving both academic and professional statisticians and data analysts. Since its first edition, the spirit of the workshop has always been to focus on problems motivated by real life data and on solutions that make novel contributions to the subject.

    The atmosphere of the workshop is friendly and supportive, with no parallel sessions, with the aim of stimulating the exchange of ideas and experiences related to statistical modelling. As a sign of positive feedback the IWSMs report many returning participants.

    Papers focusing on applications with important substantive implications as well as methodological issues are welcome. Submissions by students and young researchers are particularly encouraged.

    New information about the 31st IWSM will be continuously added on this website. If you have any questions or comments, please contact us.

  • Conference - Lebesgue PhD meeting 2016
    Oct 19, 2016 to Oct 21, 2016


    Angers, from October 19th to October 21st

    Organization board: Clément du Crest de Villeneuve, Clément Fromenteau, Guillaume Roux, Johan Leray

    Scientific board: Viet Anh Nguyen, Olivier Thom, Caroline Vernier

  • Conference - CAST - Contact and Symplectic Topology
    Jan 26, 2017 to Jan 28, 2017


    Nantes, from January 26th to January 28th

    Organization board: Baptiste Chantraine, Vincent Colin, Paolo Ghiggini

    Scientific board: Jean-François Barraud, Baptiste Chantraine, Kai Cieliebak, Tobias Ekholm

  • School - Flows and Limits in Kähler Geometry
    Apr 17, 2017 to Apr 21, 2017


    Nantes, from April 17th to April 21st

    Organization board: Sébastien Boucksom, Yann Rollin, Carl Tipler

    Scientific board: Claudio Arezzo, Olivier Biquard, Paul Gauduchon, Michael Singer

    Kähler geometry is a very active research field, at the crossroads between algebraic and Riemannian geometry. Important breakthrough, that lead to solve the Yau-Tian-Donaldson conjecture in the Fano case, have been achieved recently. A spring school involving mini-lectures and talks around this thread of new ideas in Kähler geometry is organized at Nantes University. The goal of the school is to develop certain technical skills, useful to address a variety of important questions in algebraic geometry and global analysis on manifolds, aimed for PhD students and young researchers. Geometric flows, like the Kähler-Ricci flow for instance, and the associated quantification by the Donaldson dynamical system, will be among the essential tools dealt with during the school.

  • Conference - Teichmüller Theory in Higher Dimension and Mirror Symmetry
    Apr 24, 2017 to Apr 28, 2017


    Angers, from April 24th to April 28th

    Organization board: Frédéric Mangolte, Etienne Mann, Laurent Meersseman

    Teichmüller theory and mirror symmetry are very active domains. In this conference, we propose two series of lectures by two world leaders :

    • Misha Verbitsky on Teichmüller theory
    • Hirochi Iritani on mirror symmetry

    Both will gave each morning an one hour lecture followed in the afternoon by more advanced results by internationnal mathematicians. The goal of this conference is to bring together matematicians from different backgrounds and also to give an overview of the subjetcs to young PhD and post-doc students.


    • Hiroshi Iritani, Kyoto University
    • Misha Verbitsky, HSE Moscow


    • Gaetan Borot, Max Planck Institut, Bonn
    • Fabrizio Catanese, University of Bayreuth
    • Amerik Ekaterina, University of Orsay
    • Maxim Kontsevich, IHES (tbc)
    • Thomas Reichelt, University of Heidelberg
    • Claude Sabbah, Ecole polytechnique

GRIFGA/Lebesgue Summer school - Derived categories

From June 23rd to 27th 2014 in Nantes
Contact : M. Bolognesi
Organizing commitee : M. Bernardara, M. Bolognesi, P. Stellari Scientific commitee : D. Orlov, C. Sorger, B. Toen

This event is co-financed by the Lebesgue Center and GRIFGA. We organize a Summer school aimed at Phd-Students and young researchers on some of the most interesting aspects of the theory of Derived Categories The school will be one week long and it will include 4 classes of 5 hours each.

Some international experts will deliver talks about the following topics (see the program for more details):

(1)  Stability conditions and Donaldson-Thomas invariants (Y. Toda, IPMU, University of Tokyo);
(2)  Derived category of the cubic 4fold (A. Kuznetsov, Steklov Mathematical Institute, Moscow);
(3)  Ind-coherent Sheaves (D. Gaitsgory, Harvard University);
(4)  Stratification of triangulated categories (H.Krause, University of Bielefeld).

There will be 4h of classes each day and every class will have dedicated exercise sessions (3h during the whole week) managed by young researchers wroking in these subjects. There will also be a free afternoon and a social dinner.

All the courses will be held in the Bâtiment 2 on the Campus Lombarderie of Nantes University. Here you can check a map of the Campus: map (Pasteur lecture hall and rooms U6 and U7). We will have the pleasure to share a social dinner and (at 6pm on the 25th) the projection of the movie "Alexander Grothendieck, sur les routes d'un génie", about the life and work of the influential mathematician.

The school gratefully acknowledges the support of the Compositio Mathematica Foundation.



ANR CNRS Rennes 1 Rennes 2 Nantes INSA Rennes INRIA ENS Cachan UBL