Geometric Representation Thery Seminar
Organizers:
Rui Xiong,
Pengcheng Li,
Quan Situ and
Yaolong Shen.
The seminar participants are mainly young researchers from China working on geometric representation theory.
Usually, the series of our seminar is mainly topic seminars mixed with several research talks.
To join us, contact any of organizers.
2025 Fall
| Date |
Speaker |
Title |
| TBA |
Sylvester Zhang |
TBA
|
|---|
| ?? |
Rui Xiong |
Hyperplane sections of generalized Grassmannians
|
|---|
| Oct 29 |
Rui Xiong |
Wonderful Compactification of Symmetric Spaces
|
|---|
| Nov 05 |
Rui Xiong |
Totally non-negative flag varieties
|
|---|
| Oct 29 |
|---|
| Oct 22 |
Situ Quan |
Hecke Categories
|
|---|
| Oct 15 |
|---|
| Oct 01 |
|---|
| Sep 24 |
|---|
| Sep 17 |
Rui Xiong |
K-theoretic Peterson isomorphisms
|
|---|
| Sep 10 |
Rui Xiong |
\(K\)-orbits of flag varieties
|
|---|
2025 Spring
| Date |
Speaker |
Title |
| Apr 23 | Pengcheng Li |
Different aspects of Weil representations
|
|---|
| Apr 09 |
|---|
| Mar 19 |
|---|
| Mar 12 | Rui Xiong |
Coulomb Branches Algebras
|
|---|
| Mar 05 |
|---|
| Feb 26 | Quan Situ |
Finite \(W\)-algebras and their category \(\mathcal{O}\)
|
|---|
| Feb 19 |
|---|
| Feb 12 | Xinyue Tu |
Quantum cohomology of conical symplectic resolutsions
|
|---|
| Jan 08 | Rui Xiong |
Abstract Fock spaces
|
|---|
| Jan 01 |
Semi-infinite Flag varieties
|
|---|
| Dec 25 |
Projected Richardson varieties
|
|---|
2024 Fall
| Date |
Speaker |
Title |
| Dec 11 | Zhihang Yu |
Lusztig varieties
|
|---|
| Nov 20 | Rui Xiong |
Affine Springer fibers
|
|---|
| Nov 13 | Rui Xiong |
(Co)homology of affine Grassmannians
|
|---|
| Nov 06 |
|---|
| Oct 30 |
|---|
| Oct 24 |
Pengcheng Li |
Relative Langlands Duality Phenomenon over Finite Fields
|
|---|
| Oct 16 |
Rui Xiong |
Diagonal coinvariant
|
|---|
| Oct 09 |
Parabolic KL basis over Grassmannians
|
|---|
| Sep 25 |
Geometry of Chromatic Symmetric Functions
[notes]
|
|---|
| Sep 18 |
Yaolong Shen |
Quantum supersymmetric pairs
|
|---|
| Sep 11 | Rui Xiong |
Puzzles and representation theory
|
|---|
References
2024 Spring
| Date |
Speaker |
Title |
| Apr 17 | Rui Xiong |
Motivic Lefschetz theorem for twisted Milnor hypersurfaces
|
|---|
| Apr 16 |
Elliptic curves and elliptic cohomology
|
|---|
| Mar 20 |
Hodge diamonds of smooth hyperplane sections
|
|---|
| Mar 13 |
Cohomology of quiver Grassmannians
|
|---|
| Jan 31 | Quan Situ |
(affine) braid group action on \(\mathfrak{g}\)-modules
|
|---|
| Jan 25 |
|---|
| Jan 17 |
|---|
| Dec 20 | Rui Xiong |
Introduction to stable envelopes
|
|---|
| Jan 04 |
|---|
| Jan 10 |
|---|
2023 Fall
| Date |
Speaker |
Title |
| Dec 06 | Pengcheng Li |
Introduction to rational Cherednik algebras
|
|---|
| Nov 29 | Rui Xiong |
Haiman Theory
|
|---|
| Oct 11 | Zhihang Yu |
Generalized Springer theory for graded Lie algebras
|
|---|
| Nov 23 | Rui Xiong |
Introduction to Macdonald polynomials
[notes]
|
|---|
| Oct 25 |
|---|
| Oct 18 |
|---|
| Oct 11 |
|---|
| Sep 27 | Pengcheng Li |
Introduction to rational Cherednik algebras
|
|---|
| Sep 20 |
|---|
| Sep 13 |
|---|
Our main theme is Cherednik algebras and Macdonald polynomials.
References
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