Enumerative Geometry and Geometric Representation Theory
from
Monday, June 23, 2025 (9:30 AM)
to
Friday, July 4, 2025 (5:30 PM)
Monday, June 23, 2025
9:30 AM
Registration
Registration
9:30 AM - 9:55 AM
9:55 AM
Welcome
Welcome
9:55 AM - 10:00 AM
10:00 AM
Donaldson--Thomas Theory, Flow Trees and Log Gromov--Witten Invariants
-
Pierrick Bousseau
(
University of Georgia, USA, and CNRS, France
)
Donaldson--Thomas Theory, Flow Trees and Log Gromov--Witten Invariants
Pierrick Bousseau
(
University of Georgia, USA, and CNRS, France
)
10:00 AM - 11:00 AM
Room: Auditorium
11:00 AM
Coffee Break
Coffee Break
11:00 AM - 11:30 AM
11:30 AM
Donaldson--Thomas Theory, Flow Trees and Log Gromov--Witten Invariants
-
Pierrick Bousseau
(
University of Georgia, USA, and CNRS, France
)
Donaldson--Thomas Theory, Flow Trees and Log Gromov--Witten Invariants
Pierrick Bousseau
(
University of Georgia, USA, and CNRS, France
)
11:30 AM - 12:30 PM
Room: Auditorium
12:30 PM
Lunch break
Lunch break
12:30 PM - 3:00 PM
3:00 PM
Logarithmic Gromov-Witten invariants and its application to mirror symmetry
-
Bernd Siebert
(
The University of Texas at Austin, USA
)
Logarithmic Gromov-Witten invariants and its application to mirror symmetry
Bernd Siebert
(
The University of Texas at Austin, USA
)
3:00 PM - 4:00 PM
Room: Auditorium
4:00 PM
Break
Break
4:00 PM - 4:30 PM
4:30 PM
From quantum cohomology of symplectic resolutions to compactifications of families of Gaudin algebras
-
Joel Kamnitzer
(
McGill University, Montreal, Canada
)
From quantum cohomology of symplectic resolutions to compactifications of families of Gaudin algebras
Joel Kamnitzer
(
McGill University, Montreal, Canada
)
4:30 PM - 5:30 PM
Room: Auditorium
Tuesday, June 24, 2025
10:00 AM
From quantum cohomology of symplectic resolutions to compactifications of families of Gaudin algebras
-
Joel Kamnitzer
(
McGill University, Montreal, Canada
)
From quantum cohomology of symplectic resolutions to compactifications of families of Gaudin algebras
Joel Kamnitzer
(
McGill University, Montreal, Canada
)
10:00 AM - 11:00 AM
Room: Auditorium
11:00 AM
Coffee Break
Coffee Break
11:00 AM - 11:30 AM
11:30 AM
Logarithmic Gromov-Witten invariants and its application to mirror symmetry
-
Bernd Siebert
(
The University of Texas at Austin, USA
)
Logarithmic Gromov-Witten invariants and its application to mirror symmetry
Bernd Siebert
(
The University of Texas at Austin, USA
)
11:30 AM - 12:30 PM
Room: Auditorium
12:30 PM
Lunch Break
Lunch Break
12:30 PM - 3:00 PM
3:00 PM
Donaldson--Thomas Theory, Flow Trees and Log Gromov--Witten Invariants
-
Pierrick Bousseau
(
University of Georgia, USA, and CNRS, France
)
Donaldson--Thomas Theory, Flow Trees and Log Gromov--Witten Invariants
Pierrick Bousseau
(
University of Georgia, USA, and CNRS, France
)
3:00 PM - 4:00 PM
Room: Auditorium
4:00 PM
Break
Break
4:00 PM - 4:30 PM
4:30 PM
Exercise Session: Calculating quiver DT/log Gromov-Witten invariants in higher dimensions
-
Hülya Argüz
(
University of Georgia, USA
)
Exercise Session: Calculating quiver DT/log Gromov-Witten invariants in higher dimensions
Hülya Argüz
(
University of Georgia, USA
)
4:30 PM - 5:30 PM
Room: Auditorium
Exercise Session: The BFN construction of Coulomb branches, symplectic duality, and affine Grassmannians slices
-
Dinakar Muthiah
(
University of Glasgow, UK
)
Exercise Session: The BFN construction of Coulomb branches, symplectic duality, and affine Grassmannians slices
Dinakar Muthiah
(
University of Glasgow, UK
)
4:30 PM - 5:30 PM
Room: Aula B
Exercise Session: The tropical geometry of the moduli space of log smooth curves
-
Samuel Johnston
(
Imperial College London, UK
)
Exercise Session: The tropical geometry of the moduli space of log smooth curves
Samuel Johnston
(
Imperial College London, UK
)
4:30 PM - 5:30 PM
Room: Aula C
Wednesday, June 25, 2025
10:00 AM
From quantum cohomology of symplectic resolutions to compactifications of families of Gaudin algebras
-
Joel Kamnitzer
(
McGill University, Montreal, Canada
)
From quantum cohomology of symplectic resolutions to compactifications of families of Gaudin algebras
Joel Kamnitzer
(
McGill University, Montreal, Canada
)
10:00 AM - 11:00 AM
Room: Auditorium
11:00 AM
Coffee Break
Coffee Break
11:00 AM - 11:30 AM
11:30 AM
Logarithmic Gromov-Witten invariants and its application to mirror symmetry
-
Bernd Siebert
(
The University of Texas at Austin, USA
)
Logarithmic Gromov-Witten invariants and its application to mirror symmetry
Bernd Siebert
(
The University of Texas at Austin, USA
)
11:30 AM - 12:30 PM
Room: Auditorium
12:30 PM
Break
Break
12:30 PM - 12:40 PM
12:40 PM
Gong Show: Wheel conditions for reductive groups
-
Danil Gubarevich
(
Université de Paris-Saclay, France
)
Gong Show: Wheel conditions for reductive groups
Danil Gubarevich
(
Université de Paris-Saclay, France
)
12:40 PM - 12:55 PM
Room: Auditorium
12:55 PM
Gong Show: Mirror symmetry for ADE resolutions
-
Jingxiang Ma
(
University of Sheffield, UK
)
Gong Show: Mirror symmetry for ADE resolutions
Jingxiang Ma
(
University of Sheffield, UK
)
12:55 PM - 1:10 PM
Room: Auditorium
1:10 PM
Gong Show: Parameter spaces for quantum cohomology
-
Jeremy Peters
(
University of Toronto, Canada
)
Gong Show: Parameter spaces for quantum cohomology
Jeremy Peters
(
University of Toronto, Canada
)
1:10 PM - 1:25 PM
Room: Auditorium
1:25 PM
Free Afternoon
Free Afternoon
1:25 PM - 5:55 PM
Thursday, June 26, 2025
10:00 AM
Donaldson--Thomas Theory, Flow Trees and Log Gromov--Witten Invariants
-
Pierrick Bousseau
(
University of Georgia, USA, and CNRS, France
)
Donaldson--Thomas Theory, Flow Trees and Log Gromov--Witten Invariants
Pierrick Bousseau
(
University of Georgia, USA, and CNRS, France
)
10:00 AM - 11:00 AM
Room: Auditorium
11:00 AM
Coffee Break
Coffee Break
11:00 AM - 11:30 AM
11:30 AM
Logarithmic Gromov-Witten invariants and its application to mirror symmetry
-
Bernd Siebert
(
The University of Texas at Austin, USA
)
Logarithmic Gromov-Witten invariants and its application to mirror symmetry
Bernd Siebert
(
The University of Texas at Austin, USA
)
11:30 AM - 12:30 PM
Room: Auditorium
12:30 PM
Lunch Break
Lunch Break
12:30 PM - 2:15 PM
2:15 PM
Poster Session
Poster Session
2:15 PM - 3:00 PM
3:00 PM
From quantum cohomology of symplectic resolutions to compactifications of families of Gaudin algebras
-
Joel Kamnitzer
(
McGill University, Montreal, Canada
)
From quantum cohomology of symplectic resolutions to compactifications of families of Gaudin algebras
Joel Kamnitzer
(
McGill University, Montreal, Canada
)
3:00 PM - 4:00 PM
Room: Auditorium
4:00 PM
Break
Break
4:00 PM - 4:30 PM
4:30 PM
Exercise Session: Calculating quiver DT/log Gromov-Witten invariants in higher dimensions
-
Hülya Argüz
(
University of Georgia, USA
)
Exercise Session: Calculating quiver DT/log Gromov-Witten invariants in higher dimensions
Hülya Argüz
(
University of Georgia, USA
)
4:30 PM - 5:30 PM
Room: Auditorium
Exercise Session: The BFN construction of Coulomb branches, symplectic duality, and affine Grassmannians slices
-
Dinakar Muthiah
(
University of Glasgow, UK
)
Exercise Session: The BFN construction of Coulomb branches, symplectic duality, and affine Grassmannians slices
Dinakar Muthiah
(
University of Glasgow, UK
)
4:30 PM - 5:30 PM
Room: Aula B
Exercise Session: The tropical geometry of the moduli space of stable log maps
-
Samuel Johnston
(
Imperial College London, UK
)
Exercise Session: The tropical geometry of the moduli space of stable log maps
Samuel Johnston
(
Imperial College London, UK
)
4:30 PM - 5:30 PM
Room: Aula C
Friday, June 27, 2025
10:00 AM
Logarithmic Gromov-Witten invariants and its application to mirror symmetry
-
Bernd Siebert
(
The University of Texas at Austin, USA
)
Logarithmic Gromov-Witten invariants and its application to mirror symmetry
Bernd Siebert
(
The University of Texas at Austin, USA
)
10:00 AM - 11:00 AM
Room: Auditorium
11:00 AM
Coffee Break
Coffee Break
11:00 AM - 11:30 AM
11:30 AM
Donaldson--Thomas Theory, Flow Trees and Log Gromov--Witten Invariants
-
Pierrick Bousseau
(
University of Georgia, USA, and CNRS, France
)
Donaldson--Thomas Theory, Flow Trees and Log Gromov--Witten Invariants
Pierrick Bousseau
(
University of Georgia, USA, and CNRS, France
)
11:30 AM - 12:30 PM
Room: Auditorium
12:30 PM
Lunch Break
Lunch Break
12:30 PM - 3:00 PM
3:00 PM
From quantum cohomology of symplectic resolutions to compactifications of families of Gaudin algebras
-
Joel Kamnitzer
(
McGill University, Montreal, Canada
)
From quantum cohomology of symplectic resolutions to compactifications of families of Gaudin algebras
Joel Kamnitzer
(
McGill University, Montreal, Canada
)
3:00 PM - 4:00 PM
Room: Auditorium
4:00 PM
Break
Break
4:00 PM - 4:30 PM
4:30 PM
Research Session: Kac-Moody affine Grassmannian slices
-
Dinakar Muthiah
(
University of Glasgow, UK
)
Research Session: Kac-Moody affine Grassmannian slices
Dinakar Muthiah
(
University of Glasgow, UK
)
4:30 PM - 5:30 PM
Room: Aula B
Research Session: Non-toric brane webs, Calabi-Yau 3-folds, and 5d SCFTs
-
Hülya Argüz
(
University of Georgia, USA
)
Research Session: Non-toric brane webs, Calabi-Yau 3-folds, and 5d SCFTs
Hülya Argüz
(
University of Georgia, USA
)
4:30 PM - 5:30 PM
Room: Auditorium
Research Session: Quantum periods, toric degenerations and intrinsic mirror symmetry
-
Samuel Johnston
(
Imperial College London, UK
)
Research Session: Quantum periods, toric degenerations and intrinsic mirror symmetry
Samuel Johnston
(
Imperial College London, UK
)
4:30 PM - 5:30 PM
Room: Aula C
Saturday, June 28, 2025
Sunday, June 29, 2025
Monday, June 30, 2025
10:00 AM
Decomposition Theorem for abelian fibrations
-
Junliang Shen
(
Yale University, USA
)
Decomposition Theorem for abelian fibrations
Junliang Shen
(
Yale University, USA
)
10:00 AM - 11:00 AM
Room: Aula G
11:00 AM
Coffee Break
Coffee Break
11:00 AM - 11:30 AM
11:30 AM
Decomposition Theorem for abelian fibrations
-
Junliang Shen
(
Yale University, USA
)
Decomposition Theorem for abelian fibrations
Junliang Shen
(
Yale University, USA
)
11:30 AM - 12:30 PM
Room: Aula G
12:30 PM
Lunch Break
Lunch Break
12:30 PM - 3:00 PM
3:00 PM
Categorical Donaldson-Thomas theory and the Dolbeault geometric Langlands conjecture
-
Yukinobu Toda
(
Kavli IPMU, the University of Tokyo, Japan
)
Categorical Donaldson-Thomas theory and the Dolbeault geometric Langlands conjecture
Yukinobu Toda
(
Kavli IPMU, the University of Tokyo, Japan
)
3:00 PM - 4:00 PM
Room: Aula G
4:00 PM
Coffee Break
Coffee Break
4:00 PM - 4:30 PM
4:30 PM
Categorical Donaldson-Thomas theory and the Dolbeault geometric Langlands conjecture
-
Yukinobu Toda
(
Kavli IPMU, the University of Tokyo, Japan
)
Categorical Donaldson-Thomas theory and the Dolbeault geometric Langlands conjecture
Yukinobu Toda
(
Kavli IPMU, the University of Tokyo, Japan
)
4:30 PM - 5:30 PM
Room: Aula G
Tuesday, July 1, 2025
10:00 AM
Cohomological Hall algebras of sheaves on surfaces and applications
-
Olivier Schiffmann
(
CNRS and Université de Paris-Saclay, France
)
Cohomological Hall algebras of sheaves on surfaces and applications
Olivier Schiffmann
(
CNRS and Université de Paris-Saclay, France
)
10:00 AM - 11:00 AM
Room: Aula G
11:00 AM
Coffee Break
Coffee Break
11:00 AM - 11:30 AM
11:30 AM
Cohomological Hall algebras of sheaves on surfaces and applications
-
Olivier Schiffmann
(
CNRS and Université de Paris-Saclay, France
)
Cohomological Hall algebras of sheaves on surfaces and applications
Olivier Schiffmann
(
CNRS and Université de Paris-Saclay, France
)
11:30 AM - 12:30 PM
Room: Aula G
12:30 PM
Lunch Break
Lunch Break
12:30 PM - 3:00 PM
3:00 PM
Decomposition Theorem for abelian fibrations
-
Junliang Shen
(
Yale University, USA
)
Decomposition Theorem for abelian fibrations
Junliang Shen
(
Yale University, USA
)
3:00 PM - 4:00 PM
Room: Aula G
4:00 PM
Coffee Break
Coffee Break
4:00 PM - 4:30 PM
4:30 PM
Exercise Session: Examples of cohomological Hall algebras
-
Lucien Hennecart
(
University of Edinburgh, UK
)
Exercise Session: Examples of cohomological Hall algebras
Lucien Hennecart
(
University of Edinburgh, UK
)
4:30 PM - 5:30 PM
Room: Aula O1
Exercise Session: Intersection cohomology and decomposition theorem, examples and exercises.
-
Camilla Felisetti
(
Università di Modena e Reggio Emilia
)
Exercise Session: Intersection cohomology and decomposition theorem, examples and exercises.
Camilla Felisetti
(
Università di Modena e Reggio Emilia
)
4:30 PM - 5:30 PM
Room: Aula G
Exercise Session: Vanishing cycles and cohomology of stacks
-
Tudor Pădurariu
(
CNRS and Sorbonne Université, France
)
Exercise Session: Vanishing cycles and cohomology of stacks
Tudor Pădurariu
(
CNRS and Sorbonne Université, France
)
4:30 PM - 5:30 PM
Room: Aula N1
Wednesday, July 2, 2025
10:00 AM
Cohomological Hall algebras of sheaves on surfaces and applications
-
Olivier Schiffmann
(
CNRS and Université de Paris-Saclay, France
)
Cohomological Hall algebras of sheaves on surfaces and applications
Olivier Schiffmann
(
CNRS and Université de Paris-Saclay, France
)
10:00 AM - 11:00 AM
Room: Aula G
11:00 AM
Coffee Break
Coffee Break
11:00 AM - 11:30 AM
11:30 AM
Categorical Donaldson-Thomas theory and the Dolbeault geometric Langlands conjecture
-
Yukinobu Toda
(
Kavli IPMU, the University of Tokyo, Japan
)
Categorical Donaldson-Thomas theory and the Dolbeault geometric Langlands conjecture
Yukinobu Toda
(
Kavli IPMU, the University of Tokyo, Japan
)
11:30 AM - 12:30 PM
Room: Aula G
12:30 PM
Break
Break
12:30 PM - 12:40 PM
12:40 PM
Gong Show: Some symmetries of Hausel’s big algebras
-
Mischa Elkner
(
IST, Austria
)
Gong Show: Some symmetries of Hausel’s big algebras
Mischa Elkner
(
IST, Austria
)
12:40 PM - 12:55 PM
Room: Aula G
12:55 PM
Gong Show: Quantum groups from Cohomological DT theory
-
Shivang Jindal
(
University of Edinburgh, UK
)
Gong Show: Quantum groups from Cohomological DT theory
Shivang Jindal
(
University of Edinburgh, UK
)
12:55 PM - 1:10 PM
Room: Aula G
1:10 PM
Gong Show: CoHAs of Torsion Sheaves on Weighted Projective Lines
-
Timm Peerenboom
(
Ruhr-Universität Bochum, Germany
)
Gong Show: CoHAs of Torsion Sheaves on Weighted Projective Lines
Timm Peerenboom
(
Ruhr-Universität Bochum, Germany
)
1:10 PM - 1:25 PM
Room: Aula G
1:25 PM
Free Afternoon
Free Afternoon
1:25 PM - 3:55 PM
Thursday, July 3, 2025
10:00 AM
Decomposition Theorem for abelian fibrations
-
Junliang Shen
(
Yale University, USA
)
Decomposition Theorem for abelian fibrations
Junliang Shen
(
Yale University, USA
)
10:00 AM - 11:00 AM
Room: Aula G
11:00 AM
Coffee Break
Coffee Break
11:00 AM - 11:30 AM
11:30 AM
Cohomological Hall algebras of sheaves on surfaces and applications
-
Olivier Schiffmann
(
CNRS and Université de Paris-Saclay, France
)
Cohomological Hall algebras of sheaves on surfaces and applications
Olivier Schiffmann
(
CNRS and Université de Paris-Saclay, France
)
11:30 AM - 12:30 PM
Room: Aula G
12:30 PM
Lunch Break
Lunch Break
12:30 PM - 3:00 PM
3:00 PM
Categorical Donaldson-Thomas theory and the Dolbeault geometric Langlands conjecture
-
Yukinobu Toda
(
Kavli IPMU, the University of Tokyo, Japan
)
Categorical Donaldson-Thomas theory and the Dolbeault geometric Langlands conjecture
Yukinobu Toda
(
Kavli IPMU, the University of Tokyo, Japan
)
3:00 PM - 4:00 PM
Room: Aula G
4:00 PM
Coffee Break
Coffee Break
4:00 PM - 4:30 PM
4:30 PM
Exercise Session: Semiorthogonal decompositions
-
Tudor Pădurariu
(
CNRS and Sorbonne Université, France
)
Exercise Session: Semiorthogonal decompositions
Tudor Pădurariu
(
CNRS and Sorbonne Université, France
)
4:30 PM - 5:30 PM
Room: Aula N1
Exercise Session: Tools to study cohomological Hall algebras
-
Lucien Hennecart
(
University of Edinburgh, UK
)
Exercise Session: Tools to study cohomological Hall algebras
Lucien Hennecart
(
University of Edinburgh, UK
)
4:30 PM - 5:30 PM
Room: Aula O1
Exercise Session: Weak abelian fibrations, examples and exercises.
-
Camilla Felisetti
(
Università di Modena e Reggio Emilia
)
Exercise Session: Weak abelian fibrations, examples and exercises.
Camilla Felisetti
(
Università di Modena e Reggio Emilia
)
4:30 PM - 5:30 PM
Room: Aula G
Friday, July 4, 2025
10:00 AM
Decomposition Theorem for abelian fibrations
-
Junliang Shen
(
Yale University, USA
)
Decomposition Theorem for abelian fibrations
Junliang Shen
(
Yale University, USA
)
10:00 AM - 11:00 AM
Room: Aula G
11:00 AM
Coffee Break
Coffee Break
11:00 AM - 11:30 AM
11:30 AM
Cohomological Hall algebras of sheaves on surfaces and applications
-
Olivier Schiffmann
(
CNRS and Université de Paris-Saclay, France
)
Cohomological Hall algebras of sheaves on surfaces and applications
Olivier Schiffmann
(
CNRS and Université de Paris-Saclay, France
)
11:30 AM - 12:30 PM
Room: Aula G
12:30 PM
Lunch Break
Lunch Break
12:30 PM - 3:00 PM
3:00 PM
Categorical Donaldson-Thomas theory and the Dolbeault geometric Langlands conjecture
-
Yukinobu Toda
(
Kavli IPMU, the University of Tokyo, Japan
)
Categorical Donaldson-Thomas theory and the Dolbeault geometric Langlands conjecture
Yukinobu Toda
(
Kavli IPMU, the University of Tokyo, Japan
)
3:00 PM - 4:00 PM
Room: Aula G
4:00 PM
Coffee Break
Coffee Break
4:00 PM - 4:30 PM
4:30 PM
Research Session: BPS Lie algebras and generalized Kac--Moody Lie algebras
-
Lucien Hennecart
(
University of Edinburgh, UK
)
Research Session: BPS Lie algebras and generalized Kac--Moody Lie algebras
Lucien Hennecart
(
University of Edinburgh, UK
)
4:30 PM - 5:30 PM
Room: Aula O1
Research Session: Decomposition theorem for abelian fibrations, examples and exercises.
-
Camilla Felisetti
(
Università di Modena e Reggio Emilia
)
Research Session: Decomposition theorem for abelian fibrations, examples and exercises.
Camilla Felisetti
(
Università di Modena e Reggio Emilia
)
4:30 PM - 5:30 PM
Room: Aula G
Research Session: Semiorthogonal decompositions for categories of coherent sheaves on certain singular stacks
-
Tudor Pădurariu
(
CNRS and Sorbonne Université, France
)
Research Session: Semiorthogonal decompositions for categories of coherent sheaves on certain singular stacks
Tudor Pădurariu
(
CNRS and Sorbonne Université, France
)
4:30 PM - 5:30 PM
Room: Aula N1