[iasmath-semru] [math-ias] Mathematics Seminars-Week of April 30, 2018

Kristina Phillips kphillips at ias.edu
Fri Apr 27 20:58:45 EDT 2018


INSTITUTE FOR ADVANCED STUDY
School of Mathematics
Princeton, NJ 08540
 
Mathematics Seminars
Week of April 30, 2018
 
 
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To view mathematics in titles and abstracts, please click on the talk's link.
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Monday, April 30
 
Princeton/IAS Symplectic Geometry Seminar
Topic:                     Birational Calabi-Yau manifolds have the same small quantum products.
Speaker:                 Mark McLean, Stony Brook University
Time/Room:           4:00pm - 5:00pm/Simonyi Hall 101
Abstract Link:         http://www.math.ias.edu/seminars/abstract?event=135651
 
 
 
Tuesday, May 1
 
Locally Symmetric Spaces Seminar
                               No Seminar
Speaker:                 No Seminar
Time/Room:            - 
 
                               No Seminar
Speaker:                 No Seminar
Time/Room:            - 
 
Joint IAS/Princeton University Number Theory Seminar
Topic:                     A converse to a theorem of Gross--Zagier, Kolyvagin and Rubin, II
Speaker:                 Ashay Burungale, Universite Paris 13; Member, School of Mathematics
Time/Room:           4:45pm - 5:45pm/Simonyi Hall 101
Abstract Link:         http://www.math.ias.edu/seminars/abstract?event=136745
 
 
 
Thursday, May 3
 
Working Group on Algebraic Number Theory
Speaker:                 To Be Announced
Time/Room:           2:00pm - 4:00pm/1201 Fine Hall, Princeton University
 
Joint IAS/Princeton University Number Theory Seminar
Topic:                     A -adically entire function with integral values on and -adic Fourier expansions.
Speaker:                 Francesco Baldassarri, University of Padova
Time/Room:           4:30pm - 5:30pm/Fine Hall 214, Princeton University
Abstract Link:         http://www.math.ias.edu/seminars/abstract?event=136754
 
 
 

1 Birational Calabi-Yau manifolds have the same small quantum products. 
   Mark McLean 

We show that any two birational projective Calabi-Yau manifolds have isomorphic small quantum cohomology algebras after a certain change of Novikov rings. The key tool used is a version of an algebra called symplectic cohomology, which is constructed using Hamiltonian Floer cohomology. Morally, the idea of the proof is to show that both small quantum products are identical deformations of symplectic cohomology of some common open affine subspace. 

http://www.math.ias.edu/seminars/abstract?event=135651



2 A converse to a theorem of Gross--Zagier, Kolyvagin and Rubin, II 
   Ashay Burungale 

Let  be a CM elliptic curve over a totally real number field  and  an odd ordinary prime. If the -Selmer group of over  has ‑corank one, we show that the analytic rank of over  is also one (joint with Chris Skinner and Ye Tian). We plan to discuss the setup and strategy. 

http://www.math.ias.edu/seminars/abstract?event=136745



3 A -adically entire function with integral values on and -adic Fourier expansions. 
   Francesco Baldassarri

We explain the magic of the entire function defined by the functional equation  



which satisfies  and admits an integral addition law. We then use the Artin-Hasse exponential

to deduce from a topological basis , where  , of the Fréchet space of continuous functions , which consists of entire functions  defined over  taking -adic integral values all over . They satisfy ,



The convergence of the previous sum is uniform on compact subsets of  along the filter of cofinite subsets of . We identify the-adic completion  of the ring  with a topological Hopf algebra of -valued measures on the uniformly open subsets of , equipped with the topology of uniform convergence on the families of balls of equal radius, in such a way that, for any , 

 



is the Dirac mass at . So, for the inverse series  of , let



be the -valued measure on  corresponding to . Then, for any , the measure  exists in and any continuous function  admits the following generalized Amice-Fourier expansion 



where the series converges as above.

http://www.math.ias.edu/seminars/abstract?event=136754

 

 

 

 

 

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IAS Math Seminars Home Page:

http://www.math.ias.edu/seminars

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