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Frühjahrssemester 2014

Datum / Zeit Referent:in Titel Ort
* 7. März 2014
15:15-17:30
Details

Number Theory Seminar

Titel Number Theory Days
Referent:in, Affiliation
Datum, Zeit 7. März 2014, 15:15-17:30
Ort HG G 5
Number Theory Days
HG G 5
* 8. März 2014
09:00-12:45
Details

Number Theory Seminar

Titel Number Theory Days
Referent:in, Affiliation
Datum, Zeit 8. März 2014, 09:00-12:45
Ort HG G 5
Number Theory Days
HG G 5
14. März 2014
14:15-15:15 		Prof. Dr. Benjamin Sudakov
ETH Zurich, Switzerland
Details

Number Theory Seminar

Titel Induced Matchings, Arithmetic Progressions and Linearity Testing
Referent:in, Affiliation Prof. Dr. Benjamin Sudakov, ETH Zurich, Switzerland
Datum, Zeit 14. März 2014, 14:15-15:15
Ort HG G 43
Abstract Extremal Combinatorics is one of the central branches of discrete mathematics which deals with the problem of estimating the maximum possible size of a combinatorial structure which satisfies certain restrictions. Often, such problems have also applications to other areas including Theoretical Computer Science, Additive Number Theory and Information Theory. In this talk we will illustrate this fact by several closely related examples focusing on a recent work with Alon and Moitra.
Induced Matchings, Arithmetic Progressions and Linearity Testingread_more
HG G 43
21. März 2014
14:15-15:15 		Ian Petrow
EPF Lausanne
Details

Number Theory Seminar

Titel Asymptotic Formulas for Moments of L-functions
Referent:in, Affiliation Ian Petrow, EPF Lausanne
Datum, Zeit 21. März 2014, 14:15-15:15
Ort HG G 43
Abstract I will discuss the classical problem of estimating moments of L-functions with emphasis on those L-functions coming from automorphic forms. In particular, I will give an asymptotic formula for the cubic moment of GL_2 L-functions which was previously estimated by Conrey and Iwaniec. This is the first such formula which has been given for a moment of L-functions whose ratio of conductor to family size is comparable to the sixth moment of the Riemann zeta function.
Asymptotic Formulas for Moments of L-functionsread_more
HG G 43
28. März 2014
14:15-15:15 		Prof. Dr. Tonghai Yang
University of Wisconsin
Details

Number Theory Seminar

Titel Big CM values of automorphic Green functions
Referent:in, Affiliation Prof. Dr. Tonghai Yang, University of Wisconsin
Datum, Zeit 28. März 2014, 14:15-15:15
Ort HG G 43
Abstract In 1985, Gross and Zagier discovered a beautiful factorization formula for the norm of singuli moduli, i.e, $j(\tau_1) -j(\tau_2)$ where $j$ is the famous j-function and \tau_i are two imaginary numbers of different discriminant. Since j(\frac{1+\sqrt{-3}}2=0$, this also gives a factorization formula for norm of j(tau). One amusing fact is that although these numbers are huge, its prime factor are very small. Using regularized theta lifting and Borcherds product, Schofar generalized the work to `small' CM values of Borcherds forms on a Shimura variety, covering in particular the norm of j(tau), but not the norm of difference. In this talk, we will discuss how to extend the idea to get similar result and generalization to `big CM', which also cover the norm of difference. By enlarging the class of weakly holomorphic forms (in the starting point), we also deal with the so-called automorphic green functions and the central derivative of L-function shows up naturally.
Big CM values of automorphic Green functionsread_more
HG G 43
4. April 2014
14:15-15:15 		Prof. Dr. Tanguy Rivoal
Université Grenoble 1
Details

Number Theory Seminar

Titel Values of E and G functions
Referent:in, Affiliation Prof. Dr. Tanguy Rivoal, Université Grenoble 1
Datum, Zeit 4. April 2014, 14:15-15:15
Ort HG G 43
Values of E and G functions
HG G 43
2. Mai 2014
14:15-15:15 		Prof. Dr. Dimitar Jetchev
EPF Lausanne
Details

Number Theory Seminar

Titel Hecke and Galois Properties of Special Cycles on Unitary Shimura Varieties
Referent:in, Affiliation Prof. Dr. Dimitar Jetchev, EPF Lausanne
Datum, Zeit 2. Mai 2014, 14:15-15:15
Ort HG G 43
Abstract We define a collection of special 1-cycles on certain Shimura 3-folds associated to U(2,1) x U(1,1) and appearing in the context of the Gan--Gross--Prasad conjectures. We study and compare the action of the Hecke algebra and the Galois group on these cycles via distribution relations and congruence relations that would ultimately lead to the construction of a novel Euler system for these Shimura arieties. The comparison is achieved adelically using Bruhat--Tits theory for the corresponding buildings.
Hecke and Galois Properties of Special Cycles on Unitary Shimura Varietiesread_more
HG G 43
9. Mai 2014
14:15-15:15 		Prof. Dr. Yves Martin
Universidad de Chile
Details

Number Theory Seminar

Titel Integral kernels for Dirichlet series associated to Jacobi forms
Referent:in, Affiliation Prof. Dr. Yves Martin, Universidad de Chile
Datum, Zeit 9. Mai 2014, 14:15-15:15
Ort HG G 43
Integral kernels for Dirichlet series associated to Jacobi forms
HG G 43
* 16. Mai 2014
11:00-12:00 		Prof. Dr. Torsten Wedhorn
Universität Paderborn
Details

Number Theory Seminar

Titel Title T.B.A.
Referent:in, Affiliation Prof. Dr. Torsten Wedhorn, Universität Paderborn
Datum, Zeit 16. Mai 2014, 11:00-12:00
Ort HG G 43
Title T.B.A.
HG G 43
16. Mai 2014
14:15-15:15 		Riccardo Salvati Manni
Università di Roma "La Sapienza"
Details

Number Theory Seminar

Titel A Parametrization of the box variety by theta functions
Referent:in, Affiliation Riccardo Salvati Manni, Università di Roma "La Sapienza"
Datum, Zeit 16. Mai 2014, 14:15-15:15
Ort HG G 43
A Parametrization of the box variety by theta functions
HG G 43

Hinweise: mit einem Stern gekennzeichnete Ereignisse (*) zeigen an, dass die Zeit und/oder der Ort von der üblichen Zeit und/oder dem üblichen Ort abweichen.

Organisatoren:innen: Özlem Imamoglu, Emmanuel Kowalski, Richard Pink, Martin Raum, Gisbert Wüstholz

Archiv: HS 24 FS 24 HS 23 FS 23 HS 22 FS 22 HS 21 FS 21 HS 20 FS 20 HS 19 FS 19 HS 18 FS 18 HS 17 FS 17 HS 16 FS 16 HS 15 FS 15 HS 14 FS 14 HS 13 FS 13 HS 12 FS 12 HS 11 FS 11 HS 10 FS 10 HS 09

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