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

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

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2007. 12. 13 (Thursday) 

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


09:50-10:20 Lewis, David: Rings with annihilating polynomials

10:50-11:20 Park, Poo-Sung: Fifteen theorem for universal hermitian lattices

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


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


15:30-16:10 Oh, Byeong-Kweon: Positive definite n-regular quadratic forms

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


2007. 12. 14 (Friday)

09:00-09:40 Kahn, Bruno: Homotopical approaches to SK_1 and SK-2 of central simple algebras  

09:50-10:20 Tornaría, Gonzalo: The Braudt module of ternary quadratic lattices

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


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


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


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


10:50-11:20 Vallentin, Frank : New upper bounds on kissing numbers from optimization with quadratic forms

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

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

17:20-18:00 Kumar, Abhinav : The E_8 and Leech lattices in the context of energy minimization


2007. 12. 19(Wednesday)

09:00-09:40 Schürmann, Achill: Enumerating perfect forms

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 Knesers work on quadratic forms and algebraic groups



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  1. babocherub 2008.01.10 07:28  댓글주소  수정/삭제  댓글쓰기

    B. Kahn은 혹시 브루노 Kahn인가요? 제 분야 사람이 하나가 저기에도 갔네요. 그리고 보니 알렉산더 메르쿠리에프도 있고....

    • BlogIcon thanggle 2008.01.11 01:15 신고  댓글주소  수정/삭제

      Bruno Kahn 맞아요. 그 분 이번 학회에서 처음 뵈었구 식사도 같이 해 봤는데 참 여러모로 좋은 분 같더군요. 다른 대가들도 참 많이 왔었어요. 보면서 어머어머... 저분... 어머어머... 저 사람... 이렇게 감탄하며 학회장에 있었더랍니다.

  2. BlogIcon Alexander pope essay 2010.09.22 14:07  댓글주소  수정/삭제  댓글쓰기

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