JOINT COLUMBIA-CUNY-NYU NUMBER THEORY SEMINAR
 SCHEDULE  OF TALKS 2022-2023
Fall seminar will be in person.
CUNY Graduate Center Entry Policy: A seminar visitor must send an email (showing name with matching photo ID) to
VKolyvagin&gc.cuny.edu no later than Tuesday before a Thursday when the seminar is at GC. To enter GC, visitors may
present proof of full vaccination by presenting a CDC Vaccination Card or the NYS Excelsior Pass, or a negative
COVID-19 PCR test performed by an accredited lab no more than 7 days prior to the visit by presenting a copy of lab results.

NYU (Courant Institute) Entry Policy: A seminar visitor must first send an email  to yuri.tschinkel@googlemail.com 
also giving his/her phone number. The seminar visitor will then be registered and will also need to go to the
  Gould Welcome Center (50 West 4th Street) to show government-issued photo ID and proof of full vaccination status.
 
DATE
 PLACE & TIME
 SPEAKER
 AFFILIATION
 TITLE
Oct. 6
 		NYU, Courant Institute
Talk: 5:30-6:30pm
Tea: 5:00-5:30
Warren Weaver Hall Room 317
 Ben Bakker
 		University of Illinois Chicago
 		THE GEOMETRIC ANDRE-GROTHENDIECK PERIOD CONJECTURE
 abstract
Oct. 13
 		CUNY Graduate Center
Talk: 5:30-6:30pm
Tea: 5:00-5:30
Room 4102
Florian Sprung
 Arizona State University
 		HILBERT'S TENTH PROBLEM FOR SOME NEW FAMILIES OF NUMBER FIELDS
 abstract
Oct. 20
 		Columbia University
Talk: 5:30-6:30pm
Room 520
Tea: 5:00-5:30 served in
5th floor Math Lounge.
Shai Haran
 Technion, Israel
 GENERALIZED SCHEMES AND FROBENIUS CORRESPONDENCES
 abstract
Oct. 27
 		Columbia University
Talk: 5:30-6:30pm
Room 520
Tea: 5:00-5:30 served in
5th floor Math Lounge. 		Jeffrey Hoffstein
 Brown University
 THETA FUNCTIONS ON THE METAPLECTIC COVER OF GL(2) AND THE NON-VANISHING AT THE CENTER OF THE CRITICAL STRIP OF SYMMETRIC CUBE L-FUNCTIONS
 abstract
Nov. 3
 		CUNY Graduate Center
Talk: 5:30-6:30pm
Tea: 5:00-5:30
Room 4102
Krzysztof Klosin
 Queens College, CUNY
 MODULARITY OF SOME RESIDUALLY REDUCIBLE GALOIS REPRESENTATIONS
 abstract
Nov. 10
 		Columbia University
Talk: 5:30-6:30pm
Room 520
Tea: 5:00-5:30 served in
5th floor Math Lounge.		 Vesselin Dimitrov
 IAS, Princeton
NEW RESULTS IN TRANSCENDENCE BY ARITHMETIC HOLONOMY BOUNDS
 abstract
Nov. 17
 		NYU, Courant Institute
Talk: 5:30-6:30pm
Tea: 5:00-5:30
Warren Weaver Hall Room 317
 Robert Hough
 Stony Brook University
 COVERING SYSTEMS OF CONGRUENCES
 abstract
Nov. 24
 		Thanksgiving
(No Seminar)
 		Thanksgiving Thanksgiving Thanksgiving
Dec. 1
 		CUNY Graduate Center
Talk: 5:30-6:30pm
Tea: 5:00-5:30
Room 4102
Manami Roy
 Fordham University
 RELATION BETWEEN COUNTING CUSPIDAL REPRESENTATIONS OF GSp(4) AND DIMENSIONS OF SIEGEL CUSP FORMS
 abstract
Dec. 8
 		Columbia University
Talk: 5:30-6:30pm
Room 520 
Tea: 5:00-5:30 served in
5th floor Math Lounge.		 Sarah Frei Dartmouth College SYMPLECTIC INVOLUTIONS AND COHOMOLOGY OF KUMMER-TYPE FOURFOLDS
 abstract