Invited researchers

The visitor programme represents the institute’s most important scientific activity. Each year, around 200 researchers are selected by the Scientific Council, after an application procedure. Drawn by the spontaneous and sometimes unexpected interactions that the Institute makes possible and encourages, visitors stay on average for 2.5 months.
Associated professorships provide considerable flexibility for organising scientific activities, with the possibility of inviting collaborators and organising events, and chair holders can stay for longer periods at the Institute.

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The Université de Cergy-Pontoise – IHES Chair in Analysis

This chair was created in 2009 with the Université Cergy-Pontoise.

  • Frank Merle -IHES

    Frank Merle, mathematician

    Chair in Analysis

    Frank Merle is studying the singularities of non-linear partial differential equations. He is a member at Université de Cergy-Pontoise of the CNRS "Analysis, geometry and modelization" lab (UMR 8088). His research themes arise out of hard analysis and have an important impact on mathematical physics.­­



The Schlumberger Chair for Mathematical Sciences

This chair was created in 2006 thanks to the trust and support of Schlumberger and is dedicated to topics at the interface with high technology.

  • Nader Masmoudi, Mathematician

    Schlumberger Chair for Mathematical Sciences

    Nader Masmoudi is a professor of mathematics at the Courant Institute of Mathematical Sciences at the University of New York since 2008. He moved to France to study mathematics first at Ecole Normale Superieure, and later on at université Paris-Dauphine, where he obtained his PhD under the supervision of Pierre-Louis Lions, working on asymptotic problems in fluid mechanics.



Israel Gelfand Chair in mathematics

The Israel Gelfand Chair was created in 2014 in honour of the great mathematician. It symbolises scientific excellence and the sharing of knowledge, two of the Institute’s fundamental values. Israel Gelfand himself came to IHES more than ten times to carry out his research.

  • Francis Brown - IHES

    Francis Brown, mathematician

    Israel Gelfand Chair

    Francis Brown is a Research Fellow at the All Souls College in Oxford University since September 2015. Before that he was a CNRS Researcher at IHES.

  • Dennis Gaitsgory, Mathematician

    Israel Gelfand Chair

    Dennis Gaitsgory is a professor of mathematics at Harvard University, known for his research on the geometric Langlands program. He studied at Tel Aviv University under Joseph Bernstein (1990-1996) and received his doctorate in 1997. Prior to his 2005 appointment at Harvard he was an associate professor at the University of Chicago from 2001–2005.

  • Sergiu Klainerman, mathematician

    Israel Gelfand Chair of mathematics

    mathematician at Princeton University (USA). An analyst of partial differential equations, he works on general relativity. His current research is directed at the mathematical theory of black holes. He also works on the dynamical formation of trapped surfaces and singularities.

  • Samson Shatashvili - IHES

    Samson Shatashvili, physicist

    Israel Gelfand Chair

    Samson Shatashvili is the director of the Hamilton Mathematical Institute at the Trinity College, Dublin where he holds the University Chair of Natural Philosophy (1847). He was holder of the Louis Michel Chair at IHES from 2003 to 2013.



Louis Michel Chair for Theoretical Physics

The Louis Michel Chair for Theoretical Physics was created in 2000 in honour of Louis Michel, permanent professor in physics from 1962 to 1992.

  • Ali H. Chamsedine - IHES

    Ali H. Chamseddine, physicist

    Chaire Louis Michel

    Ali H. Chamseddine is Professor at the American University of Beirut, holder of the Louis Michel Chair since 2009.

  • Eliezer Rabinovici - IHES

    Eliezer Rabinovici, physicist

    Louis Michel Chair

    Eliezer Rabinovici is Leon H. and Ada G. Miller professor at the Racah Institute of Physics, The Hebrew University of Jerusalem, and holds the Louis Michel Chair at IHES since September 2015. His area of research is theoretical high-energy physics, in particular quantum field theory and string theory.



René Thom Chair supported by the Simons Fund for Biology

This chair was created in 2013 in honour of René Thom, a mathematician and permanent professor at IHES from 1963 to 1990. It is funded by the Simons Fund for Biology at IHES and supports a researcher and their team, working on theoretical biology.

  • Robert C. Penner

    Robert C. Penner, mathematician

    René Thom Chair

    Robert C. Penner is Visiting Researcher at the University of California, Los Angeles, Centre Distinguished Professor, Centre for the Quantum Geometry of Moduli Spaces, Aarhus University, Visiting Professor at Max-Planck Institut für Mathematik in Bonn and at University of Tokyo.

Name Date Research field
Peshkin Leon
Harvard University
from 01/04/2018
to 30/04/2018
Biologie
Blanchard Gilles
Universitat Potsdam, Institut fur Mathematik
from 01/09/2018
to 31/08/2019
Mathématiques
Link Gabriele
Karlsruhe Institute of Technology
from 24/09/2018
to 07/10/2018
Mathématiques
Hoppe Jens
Royal Institute of Technology
from 01/10/2018
to 30/09/2019
Autre
Bah Amadou
Paris Saclay
from 01/10/2018
to 31/08/2021
Mathématiques
Eynard Bertrand
IPHT / CEA / Saclay
from 01/10/2018
to 30/09/2019
Mathématiques
Samokhine Alexandre
Université de Düsseldorf
from 01/10/2018
to 28/02/2019
Mathématiques
Butuzova Oksana
Komarov Botanical Institute of Russian Academy of Sciences
from 01/10/2018
to 31/10/2018
Biologie
Baklouti Ali
Faculté des Sciences de Sfax
from 01/10/2018
to 31/10/2018
Mathématiques
Georgieva Penka
IMJ-PRG, Sorbonne Université
from 01/10/2018
to 31/01/2019
Mathématiques
Nikiforova Vasilisa
INR RAS
from 01/10/2018
to 30/06/2019
Physique
Scott Jeanne
Universidad de los Andes
from 01/10/2018
to 08/10/2018
Mathématiques
Nagar Alessandro
Centro Fermi and INFN, Sezione di Torino
from 01/10/2018
to 31/10/2018
Physique
Petrenko Irina
ANRT, National Association of Research and Technology
from 08/10/2018
to 08/11/2018
Biologie
Glorieux Olivier
Université du Luxembourg
from 15/10/2018
to 31/08/2019
Mathématiques
Zhang Yongsheng
Tongji University
from 15/10/2018
to 15/12/2018
Mathématiques
Denisov Sergey
UW-Madison
from 22/10/2018
to 11/11/2018
Mathématiques
Villain Loic
Laboratoire de Mathématiques et Physique Théorique, Université de Tours
from 22/10/2018
to 01/11/2018
Physique
Bajpai Jitendra
Georg-August Universität Göttingen
from 29/10/2018
to 08/12/2018
Mathématiques
Tosenberger Alen
Université Libre de Bruxelles (ULB)
from 02/11/2018
to 30/11/2018
Biologie
Papadopoulos Georgios
Kings College London
from 02/11/2018
to 30/11/2018
Mathématiques
Yagi Junya
Perimeter Institute for Theoretical Physics
from 04/11/2018
to 11/11/2018
Physique
Messina Francesco
University of MIlano Bicocca
from 05/11/2018
to 18/11/2018
Physique
Bini Donato
from 06/11/2018
to 17/11/2018
Physique
Musette Micheline
Vrije Universiteit Brussel (VUB)
from 12/11/2018
to 17/11/2018
Mathématiques
Conte Robert
ENS Cachan
from 12/11/2018
to 17/11/2018
Mathématiques
Pizzo Alessandro
University of Roma "Tor Vergata"
from 12/11/2018
to 10/12/2018
Mathématiques
Shatashvili Samson
Trinity College
from 14/11/2018
to 14/01/2019
Mathématiques
Dymarsky Anatoly
University of Kentucky
from 18/11/2018
to 25/11/2018
Physique
Massamba Fortuné
University of KwaZulu-Natal
from 26/11/2018
to 24/12/2018
Mathématiques
Kravchuk Petr
Caltech - IAS
from 26/11/2018
to 07/12/2018
Physique
Cruz Morales John Alexander
Universidad Nacional de Colombia
from 03/12/2018
to 20/12/2018
Mathématiques
Onn Uri
The Australian National University
from 03/12/2018
to 03/01/2019
Mathématiques
Todorov Ivan
Institute for Nuclear Research and Nuclear Energy
from 04/12/2018
to 04/01/2019
Physique
Anderes Ethan
University of California at Davis
from 15/12/2018
to 28/02/2019
Mathématiques
Randall Lisa
President and Fellows of Harvard College
from 15/12/2018
to 14/12/2019
Physique
Gavrilovich Misha
National Research University Higher School of Economics
from 15/12/2018
to 15/01/2019
Biologie
Chiarellotto Bruno
Univ. degli studi PADOVA
from 30/12/2018
to 04/02/2019
Mathématiques
Ren Jie
Max Planck Institute for Mathematics
from 01/01/2019
to 31/08/2020
Mathématiques
Tsymbaliuk Oleksandr
Yale University, Department of Mathematics
from 07/01/2019
to 12/01/2019
Mathématiques
Sustretov Dmitry
Max Planck Institute for Mathematics
from 07/01/2019
to 01/04/2019
Mathématiques
Siksek Samir
University of Warwick
from 12/01/2019
to 14/04/2019
Mathématiques
Vokes Kate
University of Warwick
from 15/01/2019
to 15/01/2021
Mathématiques
Nawata Satoshi
Fudan University
from 15/01/2019
to 15/03/2019
Physique
Nikiforova Victoria
Institute of Plant Physiology RAS
from 25/01/2019
to 25/03/2019
Biologie
Ulcigrai Corinna
University of Bristol
from 26/01/2019
to 17/02/2019
Mathématiques
Moschella Ugo
Universita dell'Insubria
from 28/01/2019
to 29/03/2019
Physique
Yu Jianqing
School of Mathematical Sciences, University of Science and Technology of China
from 31/01/2019
to 30/04/2019
Mathématiques
Bessonov Nikolay
Institute of Problems in Mechanical Engineering, Russian Academy of Sciences
from 01/02/2019
to 28/02/2019
Biologie
Spindel Philippe
Université de Mons
from 04/02/2019
to 03/05/2019
Physique
Bertolin Cristiana
Università degli studi di Torino -Dipartimento di Matematica
from 01/03/2019
to 30/04/2019
Mathématiques
Bini Donato
Istituto per le Applicazioni del Calcolo "M. Picone", CNR
from 01/03/2019
to 11/04/2019
Physique
Guéritaud François
CNRS / Université de Lille
from 01/03/2019
to 31/05/2019
Mathématiques
Soibelman Alexander
University of Southern California
from 01/03/2019
to 30/04/2019
Mathématiques
Große-Klönne Elmar
Humboldt Universität zu Berlin
from 04/03/2019
to 30/03/2019
Mathématiques
Lawton Sean
George Mason University
from 10/03/2019
to 23/03/2019
Mathématiques
Dilão Rui
Instituto Superior Tecnico, University of Lisbon
from 11/03/2019
to 11/05/2019
Biologie
Yassemi Siamak
University of Tehran
from 11/03/2019
to 10/04/2019
Mathématiques
Gaitsgory Dennis
Harvard University
from 25/03/2019
to 25/06/2019
Mathématiques
Alexandrov Alexander
IBS Center for Geometry and Physics
from 31/03/2019
to 01/05/2019
Physique
Greenstein Jacob
University of California Riverside
from 01/04/2019
to 01/06/2019
Mathématiques
Odesskii Alexander
Brock University
from 15/04/2019
to 16/06/2019
Mathématiques
Soibelman Yan
Deprtment of Mathematics Knsas State University
from 27/04/2019
to 31/08/2019
Mathématiques
Klainerman Sergiu
Princeton University
from 01/05/2019
to 31/07/2019
Mathématiques
Grigorchuk Rostislav
Texas A&M University
from 02/05/2019
to 31/05/2019
Mathématiques
Nachtergaele Bruno
University of California, Davis
from 12/05/2019
to 25/05/2019
Mathématiques
Dymarsky Anatoly
University of Kentucky
from 12/05/2019
to 26/05/2019
Physique
Esnault Hélène
FU Berlin, Mathematik
from 13/05/2019
to 31/07/2019
Mathématiques
Carbone Lisa
Lisa Carbone
from 15/05/2019
to 30/06/2019
Mathématiques
Kac Victor
MIT
from 15/05/2019
to 30/09/2019
Mathématiques
Feingold Alex
Binghamton University (State University of New York)
from 20/05/2019
to 01/06/2019
Mathématiques
Cherkis Sergey
University of Arizona
from 23/05/2019
to 31/07/2019
Physique
Vilenkin Alexander
Tufts University
from 26/05/2019
to 06/07/2019
Physique
Muscalu Camil
Cornell University
from 30/05/2019
to 30/06/2019
Mathématiques
Tsymbaliuk Oleksandr
Yale University, Department of Mathematics
from 01/06/2019
to 31/07/2019
Mathématiques
Valeri Daniele
Yau Mathematical Sciences Center, Tsinghua University
from 01/06/2019
to 30/06/2019
Mathématiques
Goncharov Alexander
Yale University
from 02/06/2019
to 03/08/2019
Mathématiques
Kapustin Anton
California Institute of Technology
from 16/06/2019
to 29/06/2019
Physique
Clarke Patrick
Drexel University
from 17/06/2019
to 20/09/2019
Mathématiques
Wegner Sven-Ake
University of Wuppertal
from 01/07/2019
to 01/09/2019
Mathématiques
Morel Fabien
LMU (Ludwig-Maximilians-Universität München)
from 01/07/2019
to 31/07/2019
Mathématiques
Besser Amnon
Department of Mathematics, Ben Gurion University of the Negev
from 01/07/2019
to 21/07/2019
Mathématiques
Berenstein Arkady
University of Oregon
from 01/07/2019
to 31/07/2019
Mathématiques
Retakh Vladimir
Rutgers University
from 01/07/2019
to 31/07/2019
Mathématiques
Polishchuk Alexander
University of Oregon
from 01/07/2019
to 31/07/2019
Mathématiques
Virdol Cristian
Yonsei University
from 01/07/2019
to 31/08/2019
Mathématiques
Horesh Tal
IHES
from 13/07/2019
to 31/08/2019
Mathématiques
Zhang Xin
University of Illinois at Urbana-Champaign
from 13/07/2019
to 31/08/2020
Mathématiques
Bini Donato
Istituto per le Applicazioni del Calcolo "M. Picone", CNR
from 01/09/2019
to 16/09/2019
Physique
Wakimoto Minoru
Kyushu University
from 01/09/2019
to 30/09/2019
Mathématiques
Tabuada Goncalo
Massachusetts Institute of Technology (MIT)
from 01/09/2019
to 29/02/2020
Mathématiques
Stojić Martina
University of Zagreb, Faculty of Science, Department of Mathematics
from 01/10/2019
to 31/12/2019
Mathématiques
Skoda Zoran
University of Zadar, Croatia
from 01/10/2019
to 31/12/2019
Mathématiques
Bini Donato
Istituto per le Applicazioni del Calcolo "M. Picone", CNR
from 01/11/2019
to 13/11/2019
Physique
Kiselev Arthemy
Johann Bernoulli Institute for Mathematics and Computer Science
from 04/11/2019
to 31/12/2019
Mathématiques
Kim Inkang
KIAS
from 01/06/2020
to 31/07/2020
Mathématiques
Name Visit dates
Nagar Alessandro
Centro Fermi and INFN, Sezione di Torino


24/09/2018 - 27/09/2018

nagar(a)ihes.fr
Board 1S9 (26661)
Glazman Alexander
Tel Aviv University


24/09/2018 - 28/09/2018

glazman(a)ihes.fr
Board 0N1 (26615)
Bah Amadou
Paris Saclay


01/09/2017 - 30/09/2018

(a)ihes.fr
Agore Ana
Vrije Universiteit Brussel


04/09/2018 - 30/09/2018

agore(a)ihes.fr
Board 1E9 (26699)
LIN Jie
Institut de Mathématiques de Jussieu


01/09/2018 - 30/09/2018

(a)ihes.fr
Board 0E5 (26624)
Kreimer Dirk
Depts of Physics and Mathematics Humboldt U. Berlin


01/09/2018 - 30/09/2018

kreimer(a)ihes.fr
Board 1N11 (26643)
Bloch Spencer
University of Chicago


03/09/2018 - 30/09/2018

bloch(a)ihes.fr
Board 1N10 (26642)
Vlassopoulos Ioannis
University of Vienna


01/10/2016 - 30/09/2018

(a)ihes.fr
Board 1E1 (26696)
Penner Robert
California Institute of Technology


15/03/2018 - 30/09/2018

rpenner(a)ihes.fr
Board 1E8 (26646)
Bykov Dmitry
Max-Planck-Institut fur Gravitationsphysik (AEI)


01/09/2018 - 01/10/2018

bykov(a)ihes.fr
Board 0N7 (26618)
Gahramanov Ilmar
Mimar Sinan Fine Arts University


02/09/2018 - 07/10/2018

ilmar(a)ihes.fr
Board 0N10 (26628)
Neofytidis Christoforos
Université de Genève, Section de Mathématiques


01/09/2018 - 07/10/2018

neofytid(a)ihes.fr
Board 1E11 (26695)
Wrochna Michał
Institut Fourier


10/09/2018 - 10/10/2018

wrochna(a)ihes.fr
Board 0E3 (26625)
Zheng Kai
University of Warwick


10/09/2018 - 10/10/2018

kzheng(a)ihes.fr
Board 0S8 (26610)
Iyudu Natalia
University of Edinburgh


17/09/2018 - 31/10/2018

iyudu(a)ihes.fr
Board 0E6 (26623)
Frassek Rouven
Durham University


29/10/2016 - 31/10/2018

(a)ihes.fr
Board 0N8 (26619)
Kavanagh Chris
University College Dublin


01/09/2018 - 30/11/2018

(a)ihes.fr
Board 1N12 (26674)
Smillie Peter
Harvard University


01/09/2018 - 21/12/2018

smillie(a)ihes.fr
Board 1E3 (26644)
Ren Jie
Max Planck Institute for Mathematics


31/08/2018 - 31/12/2018

jren(a)ihes.fr
Board 0N9 (26620)
Haiden Fabian
Harvard University


17/09/2018 - 17/01/2019

haiden(a)ihes.fr
Board 1N5 (26640)
Macri Emanuele
Northeastern University


01/09/2018 - 28/02/2019

macri(a)ihes.fr
Board 1N13 (26675)
Horesh Tal
IHES


01/09/2018 - 14/04/2019

(a)ihes.fr
Board 1S3 (26687)
Zhang Xin
University of Illinois at Urbana-Champaign


01/09/2018 - 14/04/2019

xzhang(a)ihes.fr
Board 0S4 (26647)
Enriquez Nathanaël
Paris-Sud


18/09/2018 - 31/07/2019

enriquez(a)ihes.fr
Board 1S4 (26656)
Guignard Quentin
Doctorant ENS Paris


22/09/2014 - 04/08/2019

(a)ihes.fr
Board 1E7 (26650)
Peng Zhou
Northwestern University


04/09/2017 - 31/08/2019

(a)ihes.fr
Board 1N14 (26678)
Goswami Subhajit
The University of Chicago


11/09/2017 - 31/08/2019

(a)ihes.fr
Board 0S10 (26621)
Elliott Christopher
Northwestern University


01/09/2016 - 31/08/2019

(a)ihes.fr
Burelle Jean-Philippe
University of Maryland


01/09/2017 - 31/08/2019

(a)ihes.fr
Board 1N2 (26637)
Morozova Nadya
CNRS


05/09/2018 - 04/09/2019

(a)ihes.fr
Board 1E2 (26649)
Zan Bernardo
IPFL


21/02/2018 - 01/10/2019

(a)ihes.fr
Apratim Kaviraj
Indian Institute of Science


26/10/2017 - 26/10/2019

(a)ihes.fr
Board 0S6 (26627)
Schaposnik Massolo Fidel Ivan
Universidad Nacional de La Plata


03/08/2018 - 31/07/2020

fidels(a)ihes.fr
Board 0E4 (26686)
Wang Yue
Department of Applied Mathematics, University of Washington


01/09/2018 - 31/08/2020

yuewang(a)ihes.fr
Board 1S7 (26659)
Rodriguez Pierre-François
University of California, Los Angeles


01/09/2018 - 31/08/2020

rodriguez(a)ihes.fr
Board 0S9 (26614)
Bhattacharya Gourab
Information Retrieval Society of India


10/10/2017 - 30/09/2020

(a)ihes.fr
Board 1E7 (26650)
Terburg Cathelijne
ENS Ulm


10/10/2017 - 09/10/2020

(a)ihes.fr
Trevisani Emilio
Perimeter Institute


10/10/2017 - 09/10/2020

(a)ihes.fr
Board 0S10 (26621)
Severo Franco
IMPA


10/10/2017 - 10/10/2020

(a)ihes.fr
Board 0S10 (26621)
Oulamara Mendes
ENS Ulm


12/06/2018 - 31/08/2021

oulamara(a)ihes.fr
Board 0S10 (26621)
Blayac Pierre-Louis
Paris-Sud


10/09/2018 - 31/08/2021

blayac(a)ihes.fr
Board 1E11 (26695)