In January 1982, Number Theorists in New York City and its environs began meeting regularly at the Graduate Center of the City University. The location was convenient to all parts of the city as well as to major transportation hubs. The original organizers were Harvey Cohn, David Chudnovsky, Gregory Chudnovsky and Melvyn B. Nathanson. Harvey Cohn has retired, but Nathanson is now based in the City University and able to act as host of the seminar.
Proceedings of the Seminar have been published by Springer-Verlag, originally in the Lecture Notes in Mathematics series
More recent reports appear as individual volumes, with the simple title Number Theory, and the names of the editors of the volume on the cover.
This page was first developed in the Fall of 2000. Schedules by semester are available.
The Graduate Center is currently located at 365 Fifth Avenue, between 34th and 35th Streets. The Ph.D. program in mathematics is located on the fourth floor. The seminar has met on Thursday afternoons for several years. In the Fall 2014 semester the seminar will met Thursdays from 3:00 to 4:00 in room 4419. More details will be posted in the department common area on the fourth floor. Current information on all seminars can be found in the Seminar Page of the Graduate Center Mathematics Department.
| Date | Speaker and
Affiliation |
Title of talk |
|---|---|---|
| September 11 | Mel Nathanson Lehman College and the Graduate Center |
Asymptotic approximate groups |
| September 18 | S. Han, A. M. Masuda, S. Singh, and J. Thiel NYC Tech (CUNY) |
The (u,v)-Calkin-Wilf tree |
| September 25 | No meeting | |
| October 2 | Mel Nathanson Lehman College and the Graduate Center |
Asymptotic approximate groups, part 2 |
| October 9 | No meeting | |
| October 16 | Mel Nathanson Lehman College and the Graduate Center |
Forests of Calkin-Wilf trees over the complex numbers |
| October 23 | Mel Nathanson Lehman College and the Graduate Center |
On a question of Bumby |
| October 30 | Mel Nathanson Lehman College and the Graduate Center |
Left-right subsemigroups of the modular group |
| November 6 | Richard Bumby Rutgers, the State University of New Jersey |
Odds and Ends |
| November 13 | Satyanand Singh and Johann Thiel NYC Tech (CUNY) |
Properties of the (u,v) Calkin Wilf tree |
| November 20 | Mel Nathanson Lehman College and the Graduate Center |
Free subgroups of the modular group |
| November 27 | No meeting, Thanksgiving Day | |
| December 4 | S. Han, A. Masuda, S. Singh and J. Thiel NYC Tech (CUNY) |
A geometric interpretation of the class number h(D) |
| December 11 | Richard Bumby Rutgers, the State University of New Jersey |
Good rational approximants to the Thue-Morse constant (part 1) (abstract) |
Go to home page of R. T. Bumby
Go to
Seminar Page of the Graduate Center Mathematics Department.
This file was last modified on
Saturday February 11, 2023.