Invited researchers - IHES

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.
Triennial chairs 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 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. More information.

  • Alexis Vasseur

    Schlumberger Chair for Mathematical Sciences

    Mathematician Alexis Vasseur studies the equations governing fluids to understand how complex phenomena such as shocks, turbulence, and singularities emerge and evolve.

  • Carlos Kenig

    Schlumberger Chair for Mathematical Sciences

    Carlos E. Kenig, an internationally renowned mathematician, is recognized for his pioneering contributions to harmonic analysis and partial differential equations, particularly in the study of nonlinear dispersive equations.

  • Emanuel Katz

    Schlumberger Chair for Mathematical Sciences

    Theoretical physicist Emanuel Katz explores the connections between quantum field theory, particle physics, and condensed matter, developing new tools to understand strongly correlated quantum systems.

  • Jesse Thaler

    Schlumberger Chair for Mathematical Sciences

    Jesse Thaler, a theoretical physicist at MIT and holder of the Schlumberger Chair at IHES, works at the intersection of quantum field theory and artificial intelligence, developing new approaches to uncover the mysteries of fundamental physics.

  • Kenji Nakanishi

    Schlumberger Chair for Mathematical Sciences

    Mathematician Kenji Nakanishi studies nonlinear wave equations to understand how phenomena such as solitons, scattering, and blow-up emerge and evolve.

  • Yu Deng

    Schlumberger Chair for Mathematical Sciences

    Mathematician Yu Deng studies how microscopic interactions between particles give rise to the macroscopic laws governing gases, fluids, and waves, research that earned him the 2026 Fields Medal.

  • portrait Yves Barral

    Yves Barral

    Schlumberger Chair for Mathematical Sciences

    Yves Barral works in biology, guided by the question of the links between mathematics and biology, and why these links remain confused and little explored.

  • portrait professeur Clément Mouhot

    Clément Mouhot

    Schlumberger Chair for Mathematical Sciences

    Clément Mouhot is a professor of mathematics at the University of Cambridge. He is interested in the mathematical analysis of the foundations of statistical mechanics, at the interface of partial differential equations, probabilities, and functional inequalities.

  • Robert C. Penner

    Robert C. Penner

    The Schlumberger Chair for Mathematical Sciences

    Robert C. Penner is Visiting Researcher at the University of California, Los Angeles.



The Gretchen and Barry Mazur Chair

Created in 2018 by William R. Hearst III in tribute to Mazur couple, this Chair is reserved to a Professor in Mathematics.

  • Richard Schwartz

    Gretchen and Barry Mazur Chair

    Richard Evan Schwartz, a mathematics professor at Brown University, explores geometry and dynamics, drawing in particular on computational experimentation, while investigating fascinating mathematical problems arising from paper geometry and origami.



The Alexzandria Figueroa and Robert Penner Chair

Created by Robert Penner, a mathematician and invited researcher for more than 25 years, the Alexzandria Figueroa and Robert Penner Chair enables one to receive a high-caliber mathematician. More information.

  • Antoine Song

    Alexzandria Figueroa & Robert Penner Chair

    Mathematician Antoine Song explores deep connections between geometry, probability, analysis, and random matrices, while investigating what makes mathematical problems both challenging and fascinating.



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. Since 2024, Israel Gelfand Chair is supported by Squarepoint Foundation. More information.

  • Toshiyuki Kobayashi

    Israel Gelfand Chair in Mathematics

    Mathematician Toshiyuki Kobayashi studies the symmetries underlying mathematical structures, at the intersection of geometry, Lie theory, and harmonic analysis.

  • portrait professeur Dennis Gaitsgory

    Dennis Gaitsgory

    Israel Gelfand Chair of Mathematics, funded by the Squarepoint Foundation

    Dennis Gaitsgory is a professor of mathematics at Max-Planck-Institute for Mathematics, Bonn, known for his research on the geometric Langlands program.

  • portrait Takeshi Saito

    Takeshi Saito

    Israel Gelfand Chair in mathematics, funded by Squarepoint Foundation

    Takeshi Saito, professor of mathematics at the University of Tokyo, is an expert in arithmetic geometry, known especially for his fundamental contributions to ramification theory of local fields and I-adic sheaves, étale cohomology, and Galois representations.



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. More information.

  • portrait professeur Anton Kapustin

    Anton Kapustin, physicist

    Louis Michel Chair

    Anton Kapustin is a theoretical physicist at the California Institute of Technology. He is interested in quantum field theory in general, with applications to particle physics and condensed matter theory.

  • Dam Thanh Son, Physicist

    Louis Michel Chair

    Dam Thanh Son is a Professor of Physics at the University of Chicago. He is interested in a wide range of problems in theoretical physics, including the fractional quantum Hall effect, physics of the quark/gluon plasma, gauge/gravity duality, physics of cold atom, and other topics.



René Thom Chair

Created in 2013 in honour of René Thom, a mathematician and permanent professor at IHES from 1963 to 1990, this chair supports a researcher working on theoretical biology.

Name Date Research field
Tsuji Takeshi
The University of Tokyo
from 19/09/2026
to 25/09/2026
Mathématiques
Number Theory, Arithmetic Geometry
Muddu Venkata Sai Saketh
International Center for Theoretical Sciences (ICTS-TIFR), Bengaluru, India
from 19/09/2026
to 03/10/2026
Physique
Gravitational waves, Effective field theory, Tidal response, etc.
Gorski Alexandre
IITP RAS
from 19/09/2026
to 07/11/2026
Physique
Quantum field theory and its applications
Monien Hartmut
University Bonn
from 21/09/2026
to 16/10/2026
Mathématiques
Belyi maps of sporadic groups, non-congruence subgroups
Liu Bingyuan
The University of Texas Rio Grande Valley
from 28/09/2026
to 28/11/2026
Mathématiques
Complex Geometry and Several Complex Variables
Ghosh Kausik
King's College London
from 01/10/2026
to 30/09/2028

Conformal Field Theory
Maggio Sara
Bonn University, BCTP
from 01/10/2026
to 30/09/2028
Mathématiques
Algebraic Geometry, Number Theory
Turbiner Alexander
Instituto de Ciencias Nucleares, UNAM
from 01/10/2026
to 30/11/2026
Physique
Theoretical and Mathematical Physics
Van Order Jeanine
Pontifícia Universidade Católica do Rio de Janeiro
from 01/10/2026
to 02/12/2026
Mathématiques
Number theory, automorphic forms, arithmetic geometry
Burelle Jean-Philippe
Université de Sherbrooke
from 01/10/2026
to 15/10/2026
Mathématiques
higher Teichmüller theory, character varieties, representations of discrete groups
Marshakov Andrei
Igor Krichever Center for Advanced Studies, Skoltech
from 01/10/2026
to 01/11/2026
Physique
Mathematical Physics
Castet Nathan
Ecole Polytechnique
from 01/10/2026
to 30/09/2028
Physique
Physique théorique
Zhang Pengcheng
Max Planck Institute for Mathematics
from 01/10/2026
to 30/09/2028
Mathématiques
Number theory, in particular, modular forms, L-functions, and abelian varieties
Wang Wenzheng
Université Paris-Saclay
from 01/10/2026
to 30/09/2029
Mathématiques
Principe d'incertitude et distribution des résonances de Pollicott-Ruelle
Oludoun Olajumoke
Bowen University, Iwo, Osun State, Nigeria
from 05/10/2026
to 28/11/2026
Mathématiques
Mathematical biology and epidemiology(Stochastic Modelling)
Basile Thomas
UMONS
from 05/10/2026
to 05/12/2026
Physique
Higher spin gravity
Zan Bernardo
Univeristy of Genoa
from 05/10/2026
to 09/10/2026
Physique
Quantum Field Theory
Todjihounde Leonard
Institut de Mathematiques et de Sciences Physiques (IMSP)
from 06/10/2026
to 30/10/2026
Mathématiques
Structures et Analyse Géométriques
Berean-Dutcher Jonah
University of British Columbia
from 08/10/2026
to 05/11/2026
Physique
Quantum Field Theory and Scattering Amplitudes
Gaitsgory Dennis
Max-Planck Institute for Mathematics
from 15/10/2026
to 20/10/2026
Mathématiques
Geometric Representation Theory
Goller Leonardo
SISSA
from 19/10/2026
to 30/09/2028
Mathématiques
Physique
Bahadoran Christophe
Laboratoire de Mathématiques Blaise Pascal - CNRS UMR 6620
from 19/10/2026
to 11/06/2027
Mathématiques
Probabilités, systèmes de particules, limites hydrodynamiques.
Bykov Dmitry
Steklov Mathematical Institute & ITMP (MSU)
from 19/10/2026
to 19/11/2026
Physique
Sigma-models, spin chains, supersymmetry, Gross-Neveu models
Tsouvalas Konstantinos
Max Planck Institute for Mathematics in the Sciences
from 01/11/2026
to 30/11/2026
Mathématiques
Discrete subgroups of Lie groups
O'Grady Kieran Gregory
Sapienza Universita' di Roma
from 02/11/2026
to 28/11/2026
Mathématiques
Algebraic Geometry
Song Antoine
California Institute of Technology
from 02/11/2026
to 18/12/2026
Mathématiques
Géométrie différentielle, géométrie métrique, analyse géométrique
Nariman Sam
Purdue University
from 02/11/2026
to 31/01/2027
Mathématiques
Geometric topology
Vlassopoulos Ioannis
Athena Research Center
from 02/11/2026
to 18/12/2026
Mathématiques
Mathematical Language modeling and Machine Learning, Non-Commutative Geometry
Zhang Hong
Tsinghua University
from 02/11/2026
to 29/01/2027
Mathématiques
Microlocal analysis, scattering theory, and the Fractal Uncertainty Principle
Zhang An
School of Mathematical Sciences
from 02/11/2026
to 27/02/2027
Mathématiques
Harmonic analysis and PDE
Bini Donato
Istituto per le Applicazioni del Calcolo
from 09/11/2026
to 20/11/2026
Physique
General Relativity
Gaitsgory Dennis
Max-Planck Institute for Mathematics
from 12/11/2026
to 16/11/2026
Mathématiques
Geometric Representation Theory
Du Wenkui
Hunan University
from 15/11/2026
to 15/01/2027
Mathématiques
Geometric analysis (mean curvature flow, ricci flow, minimal surfaces, allen cahn equations, geometric inverse problems)
Baklouti Ali
Faculté des Sciences de Sfax
from 16/11/2026
to 18/12/2026
Mathématiques
Théorie des représentations, analyse harmonique et géométrique
Marinellis Panagiotis
ShanghaiTech University
from 21/11/2026
to 13/12/2026
Physique
Theoretical Physics, High Energy Physics, Quantum Field Theory, Scattering Amplitudes, Gravitational waves, Black holes
Brunello Giacomo
Scuola Normale Superiore
from 30/11/2026
to 13/12/2026
Physique
Theoretical Physics of Fundamental Interactions, Scattering Amplitudes, Gravitational Waves Physics
Bouis Tess
Institute for Advanced Study
from 01/12/2026
to 30/08/2028
Mathématiques
Motivic cohomology, K-theory, p-adic Hodge theory
Kowalczyk Michal
Universidad de Chile
from 01/12/2026
to 28/02/2027
Mathématiques
Analysis of PDEs
Elkhidir Asaad
University of Edinburgh
from 01/12/2026
to 01/03/2027
Physique
Scattering Amplitudes
Pezzi Daniel
Johns Hopkins University
from 15/12/2026
to 15/01/2027
Mathématiques
Harmonic analysis; partial differential equations
Kadattur Vasudevan Shuddhodan
University of Notre Dame
from 18/12/2026
to 18/01/2027
Mathématiques
Arithmetic Geometry
Smith Graham
Pontifícia Universidade Católica do Rio de Janeiro
from 01/01/2027
to 31/03/2027
Mathématiques
Geometric Analysis
Rognes John
Department of Mathematics, University of Oslo
from 01/01/2027
to 31/05/2027
Mathématiques
Algebraic topology, algebraic K-theory
Sajadi Fateme
University of Toronto
from 01/01/2027
to 31/01/2027
Mathématiques
Arithmetic Geometry, Algebraic Geometry, Number Theory
Flamm Xenia Lorena
Ihes
from 01/01/2027
to 31/12/2027
Mathématiques
Discrete subgroups of Lie groups, higher Teichmüller theory and its relation to geometric structures
Goncharov Alexander
Yale University
from 01/01/2027
to 31/08/2027
Mathématiques
Arithmetic Algebraic Geometry
Tanabe Susumu
Moscow Institute of Physics and Technology
from 01/01/2027
to 31/01/2027
Mathématiques
Complex geometry, Complex analysis, Differential equations, Algebraic geometry
Kahrobaei Delaram
City University of New York (Queens College & Graduate Center) and University of York
from 04/01/2027
to 05/02/2027
Mathématiques
Post-quantum Group-based Cryptography, Applications of AI
Berean-Dutcher Jonah
University of British Columbia
from 04/01/2027
to 04/07/2027
Physique
Physics
Garcia-Prada Oscar
ICMAT- Consejo Superior de Investigaciones Cientificas
from 04/01/2027
to 31/03/2027
Mathématiques
Complex algebraic geometry, differential geometry and math. physics
Szabo Szilard
Eotvos Lorand University
from 04/01/2027
to 15/01/2027
Mathématiques
Hodge theory, complex geometry
Lahoz Marti
Universitat de Barcelona
from 04/01/2027
to 06/02/2027
Mathématiques
Algebraic Geometry
Kim Kihyun
Seoul National University
from 04/01/2027
to 13/02/2027
Mathématiques
Partial differential equations, nonlinear dispersive equations
Fried David
Boston University
from 07/01/2027
to 08/05/2027
Mathématiques
Dynamical Systems and Geometry
Sheshmani Artan
BIMSA / and MIT (IAiFi)
from 10/01/2027
to 07/03/2027
Mathématiques
Algebraic Geometry
Madengko Simo Carole
African Institute for Mathematical Sciences (AIMS)Ghana
from 10/01/2027
to 10/03/2027
Mathématiques
Symplectic Geometry and Algebraic Topology
Janssen Oliver
École Polytechnique Fédérale de Lausanne
from 18/01/2027
to 18/02/2027
Physique
Quantum gravity, effective field theory, string cosmology
Asadollahi Javad
University of Isfahan
from 21/01/2027
to 21/04/2027
Mathématiques
Representation Theory of Algebra
Gu Chenlin
Tsinghua University
from 01/02/2027
to 31/05/2027
Mathématiques
Probability, Statistical Mechanics, PDE
Furio Lorenzo
IMJ-PRG
from 01/02/2027
to 28/02/2027
Mathématiques
Number theory
Arinkin Dima
University of Wisconsin - Madison
from 01/02/2027
to 30/04/2027
Mathématiques
Algebraic Geometry
Esnault Hélène
Freie Universität Berlin
from 01/02/2027
to 12/03/2027
Mathématiques
Bessonov Nikolay
Institute of Problems in Mechanical Engineering, Russian Academy of Sciences
from 01/02/2027
to 30/04/2027
Biologie
Computational biology, mathematical modelling in biology, mechanics, and physics.
Balasubramani Sadhanandh Vishwanath
Chennai Mathematical Institute
from 01/02/2027
to 31/03/2027
Mathématiques
Combinatorics and Representation theory
Sinelshchikov Dmitry
Biofisika Institute (CSIC, UPV/EHU) and Ikerbasque Science Foundation
from 01/02/2027
to 19/02/2027
Mathématiques
differential equations
Scott Jeanne
University of Minnesota
from 01/02/2027
to 31/03/2027
Mathématiques
combinatorics and representation theory
Ikeda Yasushi
Meiji University
from 01/02/2027
to 30/03/2027
Mathématiques
Mathematical physics: quantum integrable systems, Lie algebras, and deformation quantization
Lawton Sean
George Mason University
from 15/02/2027
to 15/04/2027
Mathématiques
Representation Spaces
Bini Donato
Istituto per le Applicazioni del Calcolo
from 01/03/2027
to 15/04/2027
Physique
General Relativity
Jain Tamanna
LPENS
from 01/03/2027
to 30/04/2027
Physique
Gravitation
Schiappa Ricardo
Instituto Superior Técnico, University of Lisbon
from 29/03/2027
to 28/05/2027
Mathématiques
Mathematical Physics
Miayoka Moussolo Brice
Université Marien Ngouabi
from 01/04/2027
to 31/05/2027
Mathématiques
Géométrie-Arithmétique, Théorie des Nombres, Cryptographie
Dey Subhadip
Tata Institute of Fundamental Research
from 01/04/2027
to 15/06/2027
Mathématiques
Geometry and Topology
Saito Takeshi
School of Sciences, the University of Tokyo
from 11/04/2027
to 06/06/2027
Mathématiques
Arithmetic Geometry
Odesski Alexandre
Brock University
from 12/04/2027
to 12/06/2027
Mathématiques
Mathematical Physics
Soibelman Yan
Kansas State University
from 18/04/2027
to 31/08/2027
Mathématiques
Algebraic Geometry, Symplectic Geometry, Mathematical Physics
Fontanari Claudio
University of Trento
from 01/05/2027
to 15/05/2027
Mathématiques
Algebraic geometry. Geometry of moduli spaces. Enumerative geometry.
Takeuchi Daichi
Institute of Science Tokyo
from 01/05/2027
to 11/06/2027
Mathématiques
Arithmetic geometry, ramification theory, l-adic sheaf
Kaimanovich Vadim
University of Ottawa
from 03/05/2027
to 31/07/2027
Mathématiques
Dynamics and probability on geometrical and algebraic structures
Lando Sergei
National Research University Higher School of Economics
from 03/05/2027
to 29/05/2027
Mathématiques
combinatorics, low-dimensional topology, algebraic geometry
Hu Haoyu
Nanjing University
from 09/05/2027
to 05/06/2027
Mathématiques
Arithmetic Geometry
He Tongmu
Princeton University
from 23/05/2027
to 05/06/2027
Mathématiques
Algebraic geometry and number theory
Kundu Arnab
Simion Stoilow Institute of Mathematics of the Romanian Academy (IMAR)
from 24/05/2027
to 30/06/2027
Mathématiques
Motivic Homotopy Theory. Algebraic K-theory, Arithmetic Geometry, Torsors
Tsuji Takeshi
Graduate School of Mathematical Sciences, The University of Tokyo
from 30/05/2027
to 05/06/2027
Mathématiques
Number Theory, Arithmetic Geometry
Valeri Daniele
Università degli Studi di Roma La Sapienza
from 01/06/2027
to 31/07/2027
Mathématiques
Representation theory and mathematical physics
Masmoudi Nader
Courant Institute of Mathematical Science
from 01/06/2027
to 31/07/2027
Mathématiques
Lunts Valery
Indiana University
from 01/06/2027
to 15/06/2027
Mathématiques
Algebraic Geometry
Soibelman Alexander
.IHES
from 03/06/2027
to 31/08/2027
Mathématiques
Algebraic geometry, representation theory
Hong Hansol
Yonsei University
from 02/08/2027
to 29/08/2027
Mathématiques
Symplectic geometry, Noncommutative geometry
Bini Donato
Istituto per le Applicazioni del Calcolo
from 06/09/2027
to 19/10/2027
Physique
General Relativity
Li Yuezhao
Leiden University
from 02/10/2027
to 16/10/2027
Mathématiques
Noncommutative geometry and its applications in condensed matter physics
Kim Inkang
KIAS
from 29/11/2027
to 29/01/2028
Mathématiques
Geometrie hyperbolique
Sharygin Georgy
Moscow State University
from 01/12/2027
to 31/01/2028
Mathématiques
Mathématiques, géometrie non-commutative, topologie algébrique
Biswal Rekha
National Institute of Science Education and Research, Bhubaneswar, India.
from 01/12/2027
to 15/01/2028
Mathématiques
Representation theory of Kac-Moody algebras, Enveloping algebras, Macdonald polynomials
Yan Pan
The University of Arizona
from 07/12/2027
to 18/12/2027
Mathématiques
Number Theory, Representation Theory, Automorphic Forms
Yassemi Siamak
Purdue University
from 13/05/2028
to 30/07/2028
Mathématiques
Representation theory of algebras
Name Visit dates
Saito Takeshi
Chaire Israel Gelfand
School of Sciences, the University of Tokyo

Mathématiques
Arithmetic Geometry
14/09/2026 - 19/09/2026

saito(a)ihes.fr
Board 0N1 (26615)
Garkusha Grigory
Swansea University

Mathématiques
Algebraic K-theory, motivic homotopy theory, algebraic geometry
01/09/2026 - 20/09/2026

garkusha(a)ihes.fr
Board 1N9 (26641)
With the support of Claire-Lise et Philippe Tondeur
Bini Donato
Istituto per le Applicazioni del Calcolo

Physique
General Relativity
07/09/2026 - 21/09/2026

binid(a)ihes.fr
Board 1N1 (26636)
Dam Thanh Son
Chaire Louis Michel
University of Chicago

Physique
Theoretical physics
07/09/2026 - 25/09/2026

dtson(a)ihes.fr
Board 0E4 (26686)
Zheng Weizhe
AMSS, Chinese Academy of Sciences

Mathématiques
géométrie algébrique
14/09/2026 - 28/09/2026

wzheng(a)ihes.fr
Board 0E2 (26651)
With the support of the KC Wong Education Foundation
Nguenang Jean Pierre
Universté de Douala

Physique
Matière Condensée [Dynamique non linéaire- Transition de phase et
20/08/2026 - 30/09/2026

nguenang(a)ihes.fr
Board 0N8 (26619)
Simons program for Africa-based visiting researchers
Guerrieri Andrea
City St George's

Physique
Theoretical particle physics, S-matrix bootstrap
02/09/2026 - 02/10/2026

guerrieri(a)ihes.fr
Board 0N6 (26617)
Mieda Yoichi
Graduate School of Mathematical Sciences, the University of Tokyo

Mathématiques
Number Theory
15/09/2026 - 16/10/2026

mieda(a)ihes.fr
Board 0E3 (26625)
Avec le soutien du Fonds Japon
Rufrano Aliberti Sara
Scuola Superiore Meridionale

Physique
General Relativity, Gravitational Wave Physics, Post-Newtonian theory
14/09/2026 - 25/10/2026

saraaliberti(a)ihes.fr
Board 1E9 (26699)
Seraj Ali
Institute for Research in Fundamental Sciences (IPM), Teheran

Physique
Gravitational waves and black hole physics.
07/09/2026 - 01/11/2026

seraj(a)ihes.fr
Board 0N7 (26618)
Samokhin Alexandre
Bielefeld University

Mathématiques
Théorie des représentations, géométrie algébrique
08/09/2026 - 07/11/2026

samokhin(a)ihes.fr
Board 1N4 (26638)
Avec le soutien d'Airbus Group
Koyama Shin-Ya
Toyo University

Mathématiques
Number Theory
16/09/2026 - 15/11/2026

koyama(a)ihes.fr
Board BAML1 (26700)
Shimokawa Fellow / Avec le soutien du Fonds Japon
Lele Celestin
University of Dschang

Mathématiques
Algebre, logique et applications
25/08/2026 - 19/11/2026

lele@ihes.fr(a)ihes.fr
Board 0E5 (26624)
Simons program for Africa-based visiting researchers
He Yin-Chen
Perimeter Institute for Theoretical Physics

Physique
Condensed matter theory and conformal field theory
15/09/2026 - 28/11/2026

yhe(a)ihes.fr
Board 0N10 (26628)
Javanpeykar Ariyan
Radboud

Mathématiques
Arithmetic geometry, rational points, hyperbolicity
01/09/2026 - 29/11/2026

javanpeykar(a)ihes.fr
Board 1N14 (26678)
Avec le soutien du Fonds Huawei Technologies à l'IHES
Elkhidir Asaad
University of Edinburgh

Physique
Scattering Amplitudes
03/12/2025 - 30/11/2026

elkhidir(a)ihes.fr
Board BAML12 (26710)
Simons program for Africa-based visiting researchers
Schwartz Richard
Chaire Gretchen et Barry Mazur
Brown University

Mathématiques
Geometry
07/09/2026 - 30/11/2026

reschwartz(a)ihes.fr
Board 1E2 (26649)
Gretchen and Barry Mazur Chair With the support of the Hearst Family
Ulmer Jakob
Université Sorbonne Paris Nord

Mathématiques
Physical Mathematics
14/09/2026 - 12/12/2026

julmer(a)ihes.fr
Board BAML3 (26702)
Goswami Souvik
Indian Institute of Science Education and Research (IISER).

Mathématiques
Algebraic cycles, Hodge theory, Arakelov geometry.
16/09/2026 - 13/12/2026

goswamiS(a)ihes.fr
Board 1N10 (26642)
Kapustin Anton
Chaire Louis Michel
California Institute of Technology

Physique
Mathematical physics (quantum field theory and condensed matter)
22/06/2026 - 15/12/2026

kapustin(a)ihes.fr
Board 1N13 (26675)
Nguyen Toan
Pennsylvania State University

Mathématiques
Analysis of PDEs and Mathematical Physics
25/08/2026 - 28/02/2027

toan(a)ihes.fr
Board 1E3 (26644)
Bourgeois Frédéric
Université Paris-Saclay

Mathématiques
Topologie symplectique et de contact
01/09/2026 - 28/02/2027

bourgeois(a)ihes.fr
Board BAML6 (26705)
Penner Robert
Titulaire Chaire Schlumberger
California Institute of Technology

Mathématiques
Geometry, physics, biology
01/09/2026 - 31/08/2027

rpenner(a)ihes.fr
Chaire Schlumberger pour les sciences mathématiques
Mazáč Dalimil
IPhT

Physique
Quantum field theory and its interplay with mathematics
02/09/2025 - 31/08/2027

mazac(a)ihes.fr
Board 1N12 (26674)
He Jiao
Université Paris-Saclay

Mathématiques
Analysis of partial differential equations
07/09/2026 - 31/08/2027

hejiao(a)ihes.fr
Board 1E1 (26696)
Szeftel Jérémie
CNRS-Laboratoire Jacques-Louis Lions

Mathématiques
02/09/2022 - 31/08/2027

szeftel(a)ihes.fr
Board 0N9 (26620)