Geometric Langlands Office Hours

Announcements & Schedule

Seminars in 2024

Seminars in 2023

June 13

• Sasha Braverman: Gaiotto conjectures and local quantum geometric Langlands, continuation
• Link to the recording
Passcode: =3**0H%SB

June 6

• Sasha Braverman: Gaiotto conjectures and local quantum geometric Langlands
• Link to the recording
Passcode: =jC5qegq

May 9

• Dennis Gaitsgory: Ambidexterity of the Langlands functor, continued
• Link to the recording
Passcode: 6$c#6i#m

May 2

• Dennis Gaitsgory: Ambidexterity of the Langlands functor.
• Link to the recording
Passcode: D96BNc$T

April 25

• Sam Raskin: Localization and factorization homology, continued
• Link to the recording

April 18

• Sam Raskin: Localization and factorization homology, continued
• Link to the recording

April 4

• Sam Raskin: Localization and factorization homology
• Link to the recording
Passcode: kPgQw2ka!

March 28

• Dennis Gaitsgory: applications of Kac-Moody localization to GLC, continued
• Link to the recording
Passcode: k?f4p9Kp

March 21

• Dennis Gaitsgory: applications of Kac-Moody localization to GLC
• Link to the recording
Passcode: 3%xrS.v&

March 14

• Lin Chen: The Langlands functor via gluing
• Link to the recording
Passcode: k@v^C1Ku

Feb 28

• Sam Raskin: Proof of the GLC, continued
• Link to the recording
Passcode: 5CZ*o0vN

Feb 21

• Sam Raskin: Proof of the GLC
• Link to the recording
Passcode: PuSjX7P=

Feb 14

• Tomer Schlank: Contractibility of the space of oper structures for classical groups
• Link to the recording
Passcode: kY8?09B*

Feb 7

• Dennis Gaitsgory: Outline of the proof of the GLC
• Link to the recording
Passcode: M7*Y^*xc

Jan 31

• Sam Raskin: Existence of oper structures (d'après Arinkin)
• Link to the recording
Passcode: 26?tDXa*

Jan 24

• Dennis Gaitsgory: Contractibility of the space of rational maps (d'après Drinfeld), continuation
• Link to the recording
Passcode: YfEpz?7#

Jan 17

• Dennis Gaitsgory: Contractibility of the space of rational maps (d'après Drinfeld)
• Link to the recording
Passcode: 3Q*dWLag

Seminars in 2022

Nov 30

• Penghui Li: Functions on the commuting stack via Langlands duality
• Link to the recording
Passcode: s#MLO8dh"

Nov 23

• Zhiwei Yun: Automorphic gluing functor, continuation
• Link to the recording
Passcode: #Ae6#1Xv

Nov 16

• Zhiwei Yun: Automorphic gluing functor
• Link to the recording
Passcode: X4$f4=H$

Nov 9

• David Nadler: Nodal degenerations in Betti geometric Langlands
• Link to the recording
Passcode: +B!sQsM0

Oct 26

• David Kazhdan: A geometric approach to a description of the spectrum of the Hecke algebra on the subspace generated by unramified Eisenstein series.

May 23

• Justin Campbell: The derived geometric Satake equivalence via factorization, conclusion.
• Link to the recording

May 16

• Justin Campbell: The derived geometric Satake equivalence via factorization, continuation.
• Link to the recording

May 9

• Justin Campbell: The derived geometric Satake equivalence via factorization.
• Link to the recording

May 2

• Sam Raskin: Non-vanishing of Whittaker coefficients for reductive groups, conclusion.
• Link to the recording

April 25

• David Hansen: Relative Perversity.
• Notes on the Noetherian approach.
• Link to the recording

April 18

• Sam Raskin: Non-vanishing of Whittaker coefficients for reductive groups, continuation.
• Link to the recording

April 11

• Sam Raskin: Non-vanishing of Whittaker coefficients for reductive groups, continuation.
• Link to the recording

April 4

• Sam Raskin: Non-vanishing of Whittaker coefficients for reductive groups.
• Link to the recording

Seminars in 2020

July 21

• Gal Dor: Monoidal structures on GL(2)-modules and abstractly automorphic representations.
• Link to the recording

May 12

• Sasha Braverman: An overview of [BFN], continuation.
• Link to the recording

May 5

• Sasha Braverman: An overview of [BFN].
• Link to the recording

April 28

• Dima Arinkin. Nadler-Yun theorem and its converse.
• Link to the recording

April 21

• Dima Arinkin. Geometric Langlands correspondence in the restricted setting, continuation
• Link to the recording

April 14

• Dima Arinkin. Geometric Langlands correspondence in the restricted setting.

March 24

• Davide Gaiotto. Chiral algebra tools methods for the analytic Geometric Langlands program, continuation
• Link to the recording

March 17

• Davide Gaiotto. Chiral algebra tools methods for the analytic Geometric Langlands program.
• A note by V. Drinfeld
• Link to the recording

March 10

• Maxim Kontsevich. Multiplication kernels, continuation
• Pasha Etingof's notes on Maxim's talk, part IV
• Link to the recording

March 3

• Maxim Kontsevich. Multiplication kernels, continuation
• The current version of the Kontsevich-Odesski paper
• Pasha Etingof's notes on Maxim's talk, part III
• Dennis' summary of previous talk
• Link to the recording

February 24

• Maxim Kontsevich. Multiplication kernels
• Pasha Etingof's notes on Maxim's talk, part I
• Pasha Etingof's notes on Maxim's talk, part II
• Link to the recording

February 10

• Pavel Etingof. Hecke operators over local fields, the case of G=PGL_2 and X=P^1 with 4 parabolic points
• Link to the recording

February 3

• Edward Frenkel. An analytic version of the Langlands correspondence for complex curve, continuation (combined slides for both talks)
• Link to the recording

January 27

• Edward Frenkel. An analytic version of the Langlands correspondence for complex curve.
• Link to the recording

Seminars in 2020

December 23

• Sam Raskin. Proof of the Trace Conjecture, continutaion
• Link to the recording

December 16

• Sam Raskin. Proof of the Trace Conjecture.
• Link to the recording

December 9

• Dennis Gaitsgory. Serre functor and miraculous duality for automorphic sheaves with nilpotent singular support.
• Link to the recording

December 2

• Tony Feng: the spectral Hecke algebra
• Link to the recording

November 25

• Lin Chen: Deligne-Lusztig duality on the category of automorphic sheaves, continuation
• Link to the recording

November 18

• Lin Chen: Deligne-Lusztig duality on the category of automorphic sheaves
• Link to the recording

November 11

• Justin Campbell: Sheaves on semi-infinite flags as factorization modules
• Link to the recording

October 28

• Xinwen Zhu: Coherent Sheaves on the Stack of Langlands Parameters, continuation
• Link to the recording

October 21

• Xinwen Zhu: Coherent Sheaves on the Stack of Langlands Parameters
• Link to the recording

October 14

• Jonathan Wang: Spherical varieties and L-functions via geometric Langlands
• Link to the recording

October 7

• David Yang: categorical Moy-Prasad filtrations and applications, continuation
• Link to the recording

September 30

• David Yang: categorical Moy-Prasad filtrations and applications
• File of the recording

September 23

• Yakov Varshavsky: character sheaves on the loop group, conclusion
• Link to the recording

September 16

• Yakov Varshavsky: character sheaves on the loop group, continuation
• Link to the recording

September 9

• Yakov Varshavsky: character sheaves on the loop group, continuation
• Link to the recording

September 1

• Yakov Varshavsky: character sheaves on the loop group, continuation
• Link to the recording

August 25

• Yakov Varshavsky: character sheaves on the loop group
• Link to the recording

August 18

• Justin Hilburn: Spectral Whittaker coefficients, continuation
• Link to the recording

August 11

• Justin Hilburn: Spectral Whittaker coefficients
• Link to the recording

July 28

• Gurbir Dhillon: The FLE via Soergel bimodules

July 21

• Dennis Gaitsgory: Kazhdan-Lusztig equivalence via screening operators, continuation
• Link to the recording

July 14

• Dennis Gaitsgory: Kazhdan-Lusztig equivalence via screening operators
• Link to the recording

July 7

• Roman Bezrukavnikov: derived Satake with modular coefficients
• Link to the recording

June 30

• Sasha Braverman: mathematical conjectures arising from 3D N=4 supersymmetric QFTs, continuation
• File of the recording

June 16

• 1. Dennis Gaitsgory: the work of Ruaotao Yang on the FLE, continuation
• 2. Sasha Braverman: mathematical conjectures arising from 3D N=4 supersymmetric QFTs
• Link to the recording

June 9

• Sam Raskin: 3D N=4 supersymmetric QFTs
• Link to the recording

June 2

• 1. Dennis Gaitsgory: the work of Ruaotao Yang on the FLE
• 2. Roman Bezrukavnikov: Derived Satake with modular coefficients
• Link to the recording

May 26

• 1. Sam Raskin: Coherent description of D(A^1(K)), continuation
• 2. Dima Arinkin: preparation for Roman's talk on derived Satake with modular coefficients
• Link to the recording

May 19

• 1. Dennis Gaitsgory: a new proof of derived Satake
• 2. Sam Raskin: Coherent description of D(A^1(K))
• Link to the recording