QFC 2007 - List of Lectures

International Conference on
The Algebraic and Arithmetic Theory of Quadratic Forms 2007

December 13th to 19th, 2007 Lake Llanquihue (in the south of Chile)

 

2007. 12. 13 (Thursday) 

09:00-09:40 Martinet, Jacques: Kissing Numbers and perfection relation in lattices

                  http://www.math.u-bordeaux1.fr/~martinet/

09:50-10:20 Lewis, David: Rings with annihilating polynomials
                  http://mathsa.ucd.ie/staff/dwl/

10:50-11:20 Park, Poo-Sung: Fifteen theorem for universal hermitian lattices
                  http://pomp.tistory.com/

11:30-12:10 Karpenko, Nikita: Canonical dimension of products of Brauer varieties

                  http://www.math.jussieu.fr/~karpenko/

12:20-13:10 Merkurjev, Alexander: Essential Dimension of p-groups

                  http://www.math.ucla.edu/~merkurev/ 

15:30-16:10 Oh, Byeong-Kweon: Positive definite n-regular quadratic forms
                        http://dasan.sejong.ac.kr/~bkoh/

16:20-16:50 Laghribi, Ahmed: Hyper isotropy of bilinear forms in characteristic 2

17:20-18:00 Ibukiyama, Tomoyoshi: Siegel modular forms of small weight and the witt operator
                  http://www.math.wani.osaka-u.ac.jp/group/numberth/                    

 

2007. 12. 14 (Friday)

09:00-09:40 Kahn, Bruno: Homotopical approaches to SK_1 and SK-2 of central simple algebras  
                  http://www.math.jussieu.fr/~kahn/

09:50-10:20 Tornaría, Gonzalo: The Braudt module of ternary quadratic lattices
                  http://www.cmat.edu.uy/~tornaria/

10:50-11:20 Jacob, Bill: H^1(X, D(m)) when X is a conic in ch 2 and witt kernels of function fields

11:30-12:10 Fukshansky, Lenny: Effective structure theorem for quadratic spaces via heights

                  http://www.claremontmckenna.edu/facultysites/math/FacMember/Lenny/

12:20-13:10 Tignol, Jean-Pierre : Cohomological invariant of involutions on C. S. Algebra

                  http://www.math.ucl.ac.be/membres/tignol/Bienvenue.html

15:30-16:10 Pacetti, Ariel: Shimura correspondence and central values of L-series

16:20-16:50 Cerri, Jean-Paul: Queations of Euclideanity for the norm form

17:20-18:00 Garibaldi, Skip : Quadraic forms invariant under algebraic group

 

2007. 12. 15 (Saturday)

09:00-09:40 Becher, Karim Johannes: On the length of a field

                  http://alg-geo.epfl.ch/~becher/

09:50-10:20 Earnest, A. G.: Multiplicative properties of integral binary quadratic forms

                  http://www.math.siu.edu/earnest/personal.html

10:50-11:20 Vallentin, Frank : New upper bounds on kissing numbers from optimization with quadratic forms
                  http://homepages.cwi.nl/~vallenti/

11:30-11:50 Gerstein, Larry J.: The “Fermat- Gauss-Cassels-Pfister” Theorem

11:50-12:10 Leibak, Alar: Some new results on additive generalizations of Voronoi theory of number fields

 

2007. 12. 17 (Monday)

09:00-09:40 Dietmann, Rainer: New results on Tartakowski’s Theorem

09:50-10:20 Snitz, Kobi: Average representation number for spinor genera

10:50-11:20 Krashen, Daniel: The u-invariant of the function field of a curve over a higher local field via field patching

11:30-12:10 Beli, Constantin N.: Representation of integral quadratic forms over dyadic fields
                  http://www.imar.ro/~beli/

12:20-13:10 Elkies, Noam D.: Theta and weighted theta functions

15:30-16:10 Vishik, Alexander: Quadratic forms and algebraic cobordism

16:20-16:50 Skoruppa, Nils-Peter: Theta blocks and theta series

17:20-18:00 Gille, Stefan: On the cohomology of Rost’s cycle modules over split simply connected algebraic groups

18:10-18:40 Semenov, N.: J-invariant of linear algebraic groups and its applications

 

2007. 12. 18(Tuesday)

09:00-09:40 Calmès, Baptiste: Witt groups of schemes

09:50-10:20 Salvati Manni, Riccardo: Vanishing at infinity of non-homogeneous theta series and codes

10:50-11:20 Quéguiner-Mathieu, Anne: On Cassels-Pfister for algebras with involutions

11:30-12:10 Hironaka, Yumiko : Local densities of quadratic forms and applications

12:20-13:10 Parimala, Raman: The u-invariant of function fields of p-adic curves

15:30-16:10 Coulangeon, Renaud: Zeta functions of quadratic forms and height of flat tori

16:20-16:50 Watanabe, Takao: A bound of the number of reduced Arakelov divisors of an algebraic number field
                  http://www.math.wani.osaka-u.ac.jp/group/watanabe/

17:20-18:00 Kumar, Abhinav : The E_8 and Leech lattices in the context of energy minimization
                  http://www.math.harvard.edu/~abhinav/

 

2007. 12. 19(Wednesday)

09:00-09:40 Schürmann, Achill: Enumerating perfect forms
                  http://fma2.math.uni-magdeburg.de/~achill/

09:50-10:20 Chernousov, Vladimir: Almost minimal lattices of higher rank

10:50-11:20 Dolphin, Andrew: Bilinear and differential forms under simple extensions

11:30-12:10 Kohnen, Winfried: Representation numbers of integers by positive definite quadratic forms

12:20-13:10 Scharlau, Rudolf: Martin Kneser’s work on quadratic forms and algebraic groups

                  http://www.matha.mathematik.uni-dortmund.de/~scharlau/index.html