Diophantine methods, lattices, and arithmetic theory of quadratic forms

Diophantine methods, lattices, and arithmetic theory of quadratic forms

2011. 11. 14 - 2011. 11. 18
http://www.birs.ca/events/2011/5-day-workshops/11w5011
Banff  International Research Station for Mathematical Innovation and Discovery, Canada.

Organaizers:
Chan, Wai Kiu (Wesleyan University) 
Fukshansky, Lenny (Claremont McKenna College)
Schulze-Pillot, Rainer (Universitaet des Saarlandes)
Vaaler, Jeff (University of Texas, Austin)

2011. 11. 14 (Mon)
09:00-10:00 Nebe, Gabriele (RWTH Aachen University):
    Extremal lattices and codes
10:45-11:15 Coulangeon, Renaud (University of Bordeaux): 
    The unreasonable effectiveness of tensor product

14:30-15:00 Kumar, Abhinav (Massachusetts Institute of Technology):

    Energy minimization for lattices and periodic configurations, and formal duality

15:30-16:00 Schurmann, Achill (Universitat Rostock): 

    Strictly periodic extreme lattices

16:15-16:45 Scharlau, Rudolf (Universitat Dortmund): 

    Automorphism groups of lattices in large genera

2011. 11. 15 (Tue)
09:00-10:00 Thunder, Jeffrey (Northern Illinois University):
    Counting certain points of given height in the function field setting
10:45-11:15 Widmer, Martin (Graz University of Technology):
    Integral points of fixed degree and bounded height
13:30-14:30 David, Sinnou (Universit´e Pierre et Marie Curie - Paris 6):
    A journey through heights: the Lehmer problem
15:00-15:30 Roy, Damien (University of Ottawa):
    On rational approximation to real points on plane quadratic curves defined over Q
15:40-16:10 Stewart, Cameron (University of Waterloo):
    Exceptional units and cyclic resultants
16:20-16:50 Watanabe, Takao (Osaka University):
    Polyhedral reduction of Humbert forms over a totally real number field
17:00-17:30 Oh, Byeong-Kweon (Seoul National University):
    Class numbers of ternary quadratic forms

2011. 11. 16 (Wed)
9:00-10:00 Bayer-Fluckiger, Eva (Ecole Polytechnique Federale de Lausanne):
    Galois algebras, Hasse principle and induction-restriction methods
10:45-11:15 Baeza, Ricardo (Universidad de Talca):
    Levels and sublevels of Dedekind rings

2011. 11. 17 (Thu)

9:00-10:00 Heath-Brown, Roger (University of Oxford):
    p-adic zeros of systems of quadratic forms

10:45-11:15 Browning, Tim (University of Bristol):
    Square-free hyperplanes on quadrics

13:30-14:00  Reznick, Bruce (University of Illinois at Urbana Champaign):

    Linear dependence among powers of quadratic forms 

14:45-15:15 Dietmann, Rainer (Royal Holloway, University of London):

    Weyl’s inequality and systems of forms

15:30-16:00 Kane, Ben (University of Cologne):
    Representations by triangular, square, and pentagonal sums

16:15-16:45 Watkins, Mark (University of Sydney):
    Indefinite LLL and solving quadratic equations

2011. 11. 18 (Fri)

09:00-10:00 Colliot-Thelene, Jean-Louis (CNRS, Universit´e Paris-Sud, France):

    Sur l’equation q(x, y, z) = P (t) en entiers

10:45-11:15 Hanke, Jonathan (University of Georgia):
   Understanding the (total) mass of quadratic forms of fixed determinant

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