Lorentz Center - Counting Points on Varieties from 20 Apr 2009 through 24 Apr 2009
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    Counting Points on Varieties
    from 20 Apr 2009 through 24 Apr 2009

 
Monday, April 20
Program Workshop Counting Points on Varieties
 
Abstracts:
 
Monday, April 20
 
09.00 – 09.35      Registration and coffee 
09.35 – 09.45      Opening by the Lorentz Center
09.45 – 10.45      Tim Dokchitser: Parity conjecture for elliptic curves
 
10:45 – 11:30      Coffee break
 
11.30 – 12.30      Samir Siksek: Explicit Chabauty over number fields
 
12.30 – 14.00      Lunch break (lunch Gorlaeus restaurant, see blue map on white board)
 
14.00 – 15.00      Christopher Deninger: A class of dynamical systems and their zeta functions
 
15.00 – 16:00      Coffee break
 
16.00 – 17.00      Tony Vαrilly-Alvarado: Cox rings of big rational surfaces
17.00                     Wine & Cheese party
 
 
Tuesday, April 21
 
09.45 – 10.45      C. S. Rajan: Some questions on the spectrum and arithmetic of locally 
                               symmetric spaces
 
10.45 – 11.30      Coffee break
 
11.30 – 12.30      Baptiste Morin: On the Weil-ιtale fundamental group
 
12.30 – 14.00      Lunch break (lunch Gorlaeus restaurant, see blue map on white board)
 
14.00 – 14.40      Peter Stevenhagen: Genus-2 curves and Jacobians with a given number of points, part 1
 
14.50 – 15.30      Everett Howe: Genus-2 curves and Jacobians with a given number of points, 
                               part 2
 
15.30 – 16:00      Coffee break
 
16.00 – 17.00      Jean-Marc Couveignes: Using torsion points
 
 
Wednesday, April 22
 
09.45 – 10.45      Antoine Chambert-Loir: Volume estimates in analytic or adelic geometry
 
10.45 – 11:30      Coffee break
 
11.30 – 12.30      Olivier Wittenberg: Existence of zero-cycles on fibrations over number fields
 
12.30 – 14:00      Lunch break (lunch Gorlaeus restaurant, see blue map on white board)
 
14.00 – 15.00      Thomas Geisser: On Suslin's singular homology
 
15.00 – 16:00      Coffee break
 
16.00 – 17.00      Daqing Wan: Counting points with distinct coordinates
 
17.10                     Departure bus to boat trip
 
17.30 – 21.30      Boat trip (departure location Zijldijk) and conference dinner
 
 
Thursday, April 23
 
09.45 – 10.45      Stephen Lichtenbaum: Formulas for special values of zeta-functions
 
10.45 – 11:30      Coffee break
 
11.30 – 12.30      Niranjan Ramachandran: Remarks on Crew-Milne formula
 
12.30 – 14:00      Lunch break (lunch Gorlaeus restaurant, see blue map on white board)
 
14.00 – 15.00      Kiran Kedlaya: Computing zeta functions of hyperelliptic curves
 
15.00 – 16:00      Coffee break
 
16.00 – 17.00      Emmanuel Peyre: Freedom and goodness
 
 
Friday, April 24
 
The program on Friday will be dedicated to the celebration of the sixtieth birthday of Hendrik Lenstra. 
The morning lectures will be held in the Sitterzaal on the ground floor of the Oort building (same building as the Lorentz Center).

Morning program in the Oort building:

09.15 – 09.45                        Coffee at the Lorentz Center (3rd floor)

09.45 – 09.50                        Opening in de Sitterzaal (ground floor)

09.50 – 10.40                        Carl Pomerance: “Sociable numbers”  

10.40 – 11.00                        Coffee break (in front of de Sitterzaal)

11.00 – 11.50                        Manjul Bhargava: “Galois closure for rings”

11.50 – 12.00               GROUP PICTURE OUTSIDE !!!

 

Afternoon program in the Lorentzzaal (A144) Kamerlingh Onnes Gebouw, Steenschuur 25, Leiden.

14.00 – 14.25                        Ed Schaefer: “I started feeling sorry for the problem”

14.30 – 14.55                        Everett Howe: “Channeling your advisor”

15.00 – 15.30                        Coffee break

15.30 – 15.55                        Johannes Buchmann: “Hendrik Lenstra and cryptography”

16.00 – 16.25                        Richard Groenewegen: “A sense of reality”

16.30                                      Closing and drinks

 

For the afternoon program, you can also check: http://www.math.leidenuniv.nl/~desmit/ic/20090424.html.


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