Web-seminar on Painlevé Equations and related topics
Schedule
| Date | UTC+2/ JST( UTC+8) |
Speaker | Title | File | |
| 19 November (Wed) 2025 |
9:30CEST/17:30JST | Marta Mazzocco (Universitat Politècnica de Catalunya) |
Special functions and quantum algebra | Cancelled |
|
| 5 November (Wed) 2025 |
9:30CEST/17:30JST | Kohei Iwaki (University of Tokyo) |
Note on Singularity Reduction of Isomonodromy Systems Associated with Garnier Systems |  |
|
| 22 October (Wed) 2025 |
10:30CEST/17:30JST | Guillaume Tahar (BIMSA) |
The affine geometry of meromorphic connections | ||
| 1 October (Wed) 2025 |
10:30CEST/17:30JST | Alba Grassi (University of Geneva and CERN) |
Functional Identities and Geometry of Painlevé III3 Quantum Operators | |
|
| 24 September (Wed) 2025 |
10:30CEST/17:30JST | Jis Choon Lee (University of Science and Technology of China) |
Deligne-Simpson Problem via Spectral Correspondence | |
|
| 23 July (Wed) 2025 |
10:30CEST/17:30JST | Szilard Szabo (Technical University of Budapest) |
Rank three representations of Painlev\'e systems: wild character varieties and Fourier--Laplace transformation | |
|
| 9 July (Wed) 2025 |
10:30CEST/17:30JST | Arata Komyo (University of Hyogo) |
Description of generalized isomonodromic deformations of rank two linear differential equations using apparent singularities | |
|
| 25 June (Wed) 2025 |
10:30CEST/17:30JST | Koji Hasegawa (Tohoku University, Sendai) |
Higher rank version of quantum discrete isomonodromic deformation equation | |
|
| 11 June (Wed) 2025 |
10:30CEST/17:30JST | Joshua Lam (Humboldt University, Berlin) |
On the converse to Eisenstein's last theorem | ||
| 4 June (Wed) 2025 |
10:30CEST/17:30JST | Samuel Bronstein (MPI Leipzig, Germany) |
Universal Variations of Hodge Structures and finite mapping class group orbits | |
|
| 28 May (Wed) 2025 |
10:30CEST/17:30JST | Ivan Tulli (University of Sheffield) |
Joyce structures, integrable systems and hyperkähler metrics | |
|
| 21 May (Wed) 2025 |
20:30 JST/13:30 CEST/6:30 CDT | Mohammad Farajzadeh-Tehrani (University of Iowa) |
The Geometric P=W Conjecture and Thurston's Compactification | |
|
| 14 May (Wed) 2025 |
10:30CEST/17:30JST | Arnaud Maret (University of Starsbourg) |
Hyperbolic triangle chains and finite mapping class group orbits |
|
|
| 30 April (Wed) 2025 |
10:30CEST/17:30JST | Hiroshi Kawakami (Aoyama Gakuin University) |
Toward a comprehensive theory of Painlev\'e-type equations with a focus on spectral types |
|
|
| 26 March (Wed) 2025 |
20:30--21:30 (JST) / 12:30--13:30 (CET/UTC+1) / 7:30--8:30 (Boston) |
Valerio Toledano Laredo (Boston) |
Stokes phenomena, quantum groups and Poisson-Lie groups. | ||
| 19 March (Wed) 20226/td> | 9:30CET/17:30JST |
Jean-Pierre Ramis （Université Toulouse III - Paul Sabatier） |
New approaches of confluences of character varieties of Painlevé equations via wild monodromy groupoids and affine del Pezzo surfaces. |
|
|
| 5 March (Wed) 2025 |
9:30CET/17:30JST | Shun Shimomura (Keio University) |
Boutroux ansatz for the degenerate third Painlev\'e transcendents |
|
|
| 26 February (Wed) 2025 |
9:30CET/17:30JST | Mohamad Alameddine (St Etienne) |
Twisted meromorphic connections of rank-2 on the Riemann sphere and the Painlevé I hierarchy |
|
|
| 12 February (Wed) 2025 |
9:30CET/17:30JST | Marta Dell'Atti (University of Warsaw) |
Exploring quartic Hamiltonian systems of Painlevé and quasi-Painlevé type | ||
| 5 February (Wed) 2025 |
9:30CET/17:30JST | Duong Dinh (University of Pennsylvania ) |
Opers with apparent singularities from lambda-connections. | ||
| 29 January (Wed) 2025 |
9:30CET/17:30JST | Olivier Marchal (Université Jean Monnet Saint-Etienne ) |
Isomonodromic deformations, quantization and exact WKB | ||
| 8 January (Wed) 2025 |
9:30CET/17:30JST | Galina Filipuk (University of Warsaw) |
The Painleve Equivalence Problem for a Constrained 3D System: an analytic approach | ||
| 27 Nov (Wed) 2024 |
9:30CET/17:30JST | Nianzi Li (Tsinghua University) |
Metric asymptotics on the irregular Hitchin moduli space |
|
|
| 13 Nov (Wed) 2024 |
9:30CET/17:30JST | Andreas Hohl (Chemnitz University of Technology) |
Galois descent for generalized monodromy data |
|
|
| 23 Oct (Wed) 2024 |
10:30CET/17:30JST | Tatsuki Kuwagaki (Kyoto University) |
On the generic existence of WKB spectral network/Stokes graph |
|
|
| 17 July (Wed) 2024 |
10:30CET/17:30JST | Volodya Roubtsov (Angers University) |
Multi-particle Painleve Hamiltonians - Non-commutativity, Reduction and Duality |
|
|
3 July (Wed) (Cancelled) |
10:30CET/17:30JST | Kanehisa Takasaki (Kyoto Univ.(Emeritus)/ /OCAMI) |
Extension and deformation of lattice Gelfand-Dickey hierarchy | Cancelled | |
| 26 June (Wed) 2024 |
10:30CET/17:30JST | Filip Zivanovic (Stony Brook) |
Floer-theoretic filtration on Painlevé Hitchin systems |
|
|
| 19 June (Wed) 2024 |
10:30CET/17:30JST | Elba Garcia-Failde (IMJ-PRG, Sorbonne Univ.) |
Topological recursion as a mean to quantise spectral curves | ||
| 5 June (Wed) 2024 |
10:30CET/17:30JST | Veronica Fantini (IHES) |
Wall-crossing formulas and Maurer-Cartan equation | ||
| 29 May (Wed) 2024 |
10:30CET/17:30JST | Jean Douçot (University of Lisbon) |
On the Fourier transform of Stokes data of irregular connections |
|
|
| 24 April (Wed) 2024 |
10:30CET/17:30JST | Jean-Baptiste Teyssier (Paris) |
Stokes structures in homotopy theory | ||
| 10 April (Wed) 2024 |
10:30CET/17:30JST | Hélène Esnault (Freie Universitat Berlin) |
Survey on Rigid Local Systems | ||
| 27 March (Wed) 2024 |
9:30CET/17:30JST | Victoria Hoskins (Radboud Universiteit, Nijmegen) |
Cohomology and motives of moduli spaces of Higgs bundles | ||
| 20 March (Wed) 2024 |
9:30CET/17:30JST | Koji Hasegawa (Tohoku Univ.) |
Quantization of discretized Painlev´e/Garnier system via affine quantum group |
|
|
| 6 March (Wed) 2024 |
9:30CET/17:30JST | Daisuke Yamakawa (Tokyo Univ. of Science) |
Symmetries of quiver schemes | ||
| 21 February (Wed) 2024 |
9:30CET/17:30JST | Gabriel Calsamiglia (Universidade Federal Fluminense, Niterói, Brazil.) |
Isoperiodic foliations in moduli spaces of mermorphic forms with simple poles | ||
| 14 February (Wed) 2024 |
9:30CET/17:30JST | Hélène Esnault (FU Berlin, Harvard, Copenhagen) |
Survey on Rigid Local Systems (canceled) | ||
| 20 December (Wed) 2023 |
9:30CET/17:30JST | Changgui Zhang (Univ. of Lille) /font> |
On the connexion formula of a pantograph equation | ||
| 6 December (Wed) 2023 |
9:30CET/17:30JST | Gabriele Rembado (IMAG, Univ. of Montpellier) (IMAG, Univ. of Montpellier) /font> |
Moduli spaces of wild connections: deformations & quantisations | ||
| 29 November (Wed) 2023 |
9:30CET/17:30JST | Masa-Hiko Saito (Kobe Gakuin Univ./Kobe Univ. ) |
Canonical coordinates for moduli spaces of parabolic Higgs bundles and parabolic connections on curves | ||
| 15 November (Wed) 2023 |
9:30CET/17:30JST | Kohei Iwaki (U. Tokyo) |
Non-linear Stokes phenomenon for Painleve τ-function and topological recursion. |
|
|
| 8 November (Wed) 2023 |
9:30CET/17:30JST | Takafumi Matsumoto (Kobe U.) |
Moduli space of rank three logarithmic connections on the projective line with three poles |
|
|
| 18 October (Wed) 2023 |
10:30/17:30 | Yota Shamoto (WIAS, Waseda U.) |
Stokes structure of mild difference module. |
|
|
| 11 October (Wed) 2023 |
10:30/17:30 | Ryo Ohkawa (OAMI, OMU /RIMS, Kyoto) |
Non-stationary difference equation and affine Laumon space |
|
|
| 27 September (Wed) 2023 |
10:30/17:30 | Thiago Fassarella (UFF, Niteroi, Brasil) |
Logarithmic connections over elliptic curves |
|
|
| 6 September (Wed) 2023 |
10:30/17:30 | Xiaomeng Xu (BICMR, Peking Univ.) |
Monodromy problem and the boundary condition for some isomonodromy deformation equations |
|
|
| 30 August (Wed) 2023 |
10:30/17:30 | Vladimir Dragovic (The University of Texas at Dallas) |
Chebyshev dynamics, isoharmonic deformations, and constrained Schlesinger systems | ||
| 23 August (Wed) 2023 |
10:30/17:30 | Ilia Gaiur (IHES) |
Higher Bessel Functions: product formulas, Landau-Ginzburg type models and corresponding integer sequences | ||
| 12 July (Wed) 2023 |
10:30/17:30 | Daniel Panazzolo
(University of Haute-Alsace) |
Analytic classification of germs of doubly-resonant vector fields in dimension 3; applications to Painlev\'e equation (following A. Bittmann) |
|
|
| 28 June (Wed) 2023 |
10:30/17:30 | Kento Osuga (University of Tokyo) |
Quantisation via the Q-top recursion and the Nekrasov-Shatashivili limit. |
|
|
| 14 June (Wed) 2023 |
10:30/17:30 | Sorin Dumitrescu (Universite Cote d'Azur) |
Holomorphic sl(2,C) differential systems on compact Riemann surfaces and curves in compact quotients of SL(2, C) |
|
|
| 31 May (Wed) 2023 |
10:30/17:30 | Katsunori Iwasaki (Hokkaido Univ.) |
Hypergeometric groups and automorphisms of K3 surfaces. | ||
| 17 May (Wed) 2023 |
10:30/17:30 | Irina Bobrova (HSE Univ.) |
Non-Abelian Painleve equations. | ||
| 10 May (Wed) 2023 |
10:30/17:30 | Michi-aki Inaba (Kyoto Univ. ) |
Canonical 2-form on the moduli space of ramified connections. |
|
|
| 5 April (Wed) 2023 |
10:30/17:30 | Yosuke Ohyama (Tokushima Univ. ) |
Global theory on q-Painleve equations. |
|
|
| 29 March (Wed) 2023 |
10:30/17:30 | Harini Desiraju (The Univeristy of Sydney) |
The solutions of isomonodromic equations on a torus in terms of Fredholm determinants and consequences. | ||
| 1 March (Wed) 2023 |
9:30/17:30 | Jacques Sauloy (Cantoperdic) |
Various forms of the "Riemann-Hilbert-Birkhoff correspondence for q-difference equations |
|
|
| 15 February (Wed) 2023 |
9:30/17:30 | Jean-Baptiste Teyssier (Sorbonne University) |
Cohomological boundedness for flat bundles and applications | ||
| 1 February (Wed) 2023 |
9:30/17:30 | Toshiyuki Mano (University of the Ryukyus) |
Flat structures on solutions to the sixth Painlev\'e equation |
|
|
| 18 January (Wed) 2023 |
9:30/17:30 | Claude Sabbah
(Ecole Polytechnique) |
Rigid irreducible meromorphic connections in dimension one |
|
|
| 11 January (Wed) 2023 |
9:30/17:30 | Szilard Szabo
(Alfred Renyi Inst./ Budapest Univ. of Technology and Economics) |
Quantum spectra of birationally equivalent surfaces |
|
|
| 4 January (Wed) 2023 |
9:30/17:30 | Emmanuel Paul
(Univ Toulouse III) |
Several dynamics on the Painleve V character variety |
|
|
| 23 November (Wed) 2022 |
9:30/17:30 | Tatsuki Kuwagaki
（Kyoto Univ.) |
Sheaf quantization and Riemann--Hilbert correspondence | ||
| 16 November (Wed) 2022 |
9:30/17:30 | Oleg Lisovyy
（Univ. Tours) |
Perturbative connection formulas for Heun equations |
|
|
| 9 November (Wed) 2022 |
9:30/17:30 | Martin Guest
(Waseda University) |
Hamiltonian aspects of the tt*-Toda equations |
|
|
| 19 October (Wed) 2022 |
10:30/17:30 | Masato Wakayama
(NTT Institute for Fundamental Mathematics) |
Quantum Interaction and Number Theory, Representation Theory - modular forms a bit beyond, infinite symmetric group, Fuchsian ODE |
|
|
| 12 October (Wed) 2022 |
10:30/17:30 | Titouan Serandour
(Univ Rennes/ENS Lyon) |
The monodromy of meromorphic projective structures |
|
|
| 5 October (Wed) 2022 |
10:30/17:30 | Yuma Mizuno
(Chiba University ) |
q-Painleve systems, toric surfaces, and cluster Poisson varieties |
|
|
| 28 September (Wed) 2022 |
10:30/17:30 | Yoshishige Haraoka
(Kumamoto University ) |
Dynamical system on KZ type equations and deformation | ||
| 26 August 2022 |
10:30/17:30 | Milena Radnovic
(The University of Sydney) |
Asymptotic behaviour of Painleve transcendents in the Okamoto space | ||
| 8 July 2022 |
10:30/17:30 | Aaron Landesman
(Harvard University) |
Geometric local systems on very general curves and isomonodromy |
|
|
| 24 June 2022 |
10:30/17:30 | Julio Rebelo (University of Toulouse) |
Dynamics of groups of birational automorphisms of cubic surfaces and Fatou/Julia decompositions for Painleve 6. |
|
|
| 10 June 2022 |
10:30/17:30 | Daniel Litt ( University of Georgia.) |
Canonical Representations of Surface Groups |
|
|
| 13 May 2022 |
10:30/17:30 | Pieter Roffelsen (The University of Sydney) |
On a space of connection matrices associated with $q$-Painlev\'e VI | ||
| 6 May 2022 |
10:30/17:30 | Arata Komyo (Kobe University) |
Moduli space of irregular rank two parabolic bundles over the Riemann sphere and its compactification |
|
|
| 15 April 2022 |
10:30/17:30 | Jean Douçot (Université de Genève) |
Diagrams and the classification of wild character varieties | ||
| 8 April 2022 |
10:30/17:30 | Giordano Cotti (SISSA, Trieste) |
Quantum differential equations, isomonodromic deformations, and derived categories |
|
|
| Date | UTC+1/ JST( UTC+8) |
Speaker | Title | File | |
| 18 March 2022 |
9:30/17:30 | Galina Filipuk (University of Warsaw, Poland) |
Hamiltonians of the Painlevé and quasi-Painlevé equations | ||
| 25 February 2022 |
9:30/17:30 | Masatoshi Noumi (Kobe University) |
Remarks on Umemura polynomials | ||
| 18 February 2022 |
9:30/17:30 | Anton Shchechkin (Skoltech and HSE University, Moscow) |
Folding transformations for q-Painlevé equations | |
|
| 28 January 2022 |
9:30/17:30 | Davide Guzzetti (SISSA, Italy) |
Analytic description of non-generic isomonodromy deformations and some applications. | |
|
| 14 January 2022 |
9:30/17:30 | Toshio Oshima (Josai University) |
Fractional analysis of linear differential equations on the Riemann sphere | |
|
| 17 December 2021 |
9:30/17:30 | Indranil Biswas (Tata Institute of Fundamental Research) |
Holomorphic connections on the trivial holomorphic bundle over Riemann surfaces. | ||
| 3 December 2021 |
9:30/17:30 | Frank Loray (Rennes 1) |
Painlevé equations, foliations and neighborhoods of curve. | ||
| 19 November 2021 |
9:30/17:30 | Claude Sabbah (École Polytechnique) |
Isomonodromic deformations and degenerations of irregular singularities |
|
|
| 5 November 2021 |
9:30/17:30 | Hajime Nagoya (Kanazawa University) |
Irregular conformal blocks and Painlevé equations |
|
|
| Date | UTC+2/ JST( UTC+8) |
Speaker | Title | File | |
| 29 October 2021 |
10:30/17:30 | Jaap Top &Marius van der Put (University of Groningen) |
Isomonodromy and Painlevé type equations. Search and Case studies. | |
|
| 8 October 2021 |
10:30/17:30 | Carlos Simpson (C.N.R.S.) |
Moduli of quasi-parabolic logarithmic connections of rank 2, and construction of a twistor space | ||
| 1 October 2021 |
10:30/17:30 | Hidetaka Sakai (The University of Tokyo) |
Discrete Hamiltonians of discrete Painleve equations (joint work with T. Mase and A. Nakamura) | |
|
| 10 September 2021 |
10:30/17:30 | Akane Nakamura (Josai University) |
Genus two curves associated with the autonomous 4-dimensional Painlevé-type systems | |
|
| 7 July 2021 |
10:30/17:30 | Florent Schaffhauser (Universidad de Los Andes, Bogotá) |
Moduli varieties of twisted local systems. | |
|
| 23 June 2021 |
10:30/17:30 | Takafumi Matsumoto (Kobe university) |
Birational geometry of moduli spaces of rank 2 logarithmic connections. | |
|
| 9 June 2021 |
10:30/17:30 | Guy Casale (IRMAR, Université de Rennes 1) |
Algebraic relations between solutions of differential equations. | | |
| 26 May 2021 |
10:30/17:30 | Yasuhiko Yamada (Kobe University) |
Quantum representation of Weyl group $W(E_8^{(1)})$ | |
|
| 12 May 2021 |
10:30/17:30 | Martin Klimeš(University of Zagreb) | Confluent approach to Fifth Painlevé equation | |
|
| 28 April 2021 |
10:30/17:30 | Kazuki Hiroe(Chiba University) | Deformation of moduli spaces of meromeprhic connections on the Riemann sphere via unfolding of irregular singularities | |
|
| 7 April 2021 |
10:30/17:30 | Nikita Nikolaev (The University of Sheffield) |
WKB Filtrations and the Singularly Perturbed Riccati Equation | | |
| Date | UTC+1/ JST( UTC+8) |
Speaker | Title | File | |
| 24 March 2021 |
9:30/17:30 | Takao Suzuki (Kindai University) |
A generalization of the $q$-Garnier system and its Lax form | | |
| 10 March 2021 |
9:30/17:30 | Szilard Szabo (Budapest Univ. of T & E) |
Asymptotic analysis of non-abelian Hodge theory in rank 2 | |
|
| 10 February 2021 |
9:30/17:30 | Yousuke Ohyama (Tokushima) | q-connection problems on hypergeometric and Painlevé equations | |
|
| 27 January 2021 |
9:30/17:30 | Marta Mazzocco (Birmingham) |
Quantum Painlevé monodromy manifolds and Sklyanin-Painlevé algebra | |
|
| 13 January 2021 |
9:30/17:30 | Hayato Chiba (Tohoku) |
Painlevé equations on weighted projective spaces | |