K-theory, Quadratic Forms and Number Theory Seminar 2005-2006

28/9: Robert Osburn (UCD), “Vanishing of eigenspaces and cyclotomic fields”

5/10: Herbert Gangl (Durham), “Multiple logarithms, polygons, trees and algebraic cycles”

12/10: Thomas Unger (UCD), “Hasse principals for Hermitian forms”

19/10: James O’Shea (UCD), “Levels and sublevels of composition algebras”

26/10: Stefan Muller-Stach (Mainz), “Cohomology of some arithmetic groups”

2/11: Pieter Moree (MPIM), “The hexagonal versus the square lattice”

16/11: Ramesh Sreekantan (Tata Institute), “Drinfeld Modular Curves and Special values of L-functions”

23/11: Robert Osburn (UCD), “4-core partitions and class numbers”

25/1: Philippe Elbaz-Vincent (Montpellier), “Cohomology of modular groups, perfect forms and K-theory of the integers”

15/2: Robert Osburn (UCD), “Two-dimensional lattices with few distances”

1/3: Jeremy Lovejoy (Paris 7), “Partitions, overpartitions and indefinite quadratic forms”

8/3: Detlev Hoffmann (Nottingham), “Levels of Quaternion Algebras”

12/4: Burt Totaro (Cambridge), “Splitting fields for quadratic forms”

19/4: Nicholas Grenier-Boley (Nottingham), “Criteria for certain Witt rings of real fields to be isomorphic”

17/5: Nikita Semenov (Bielefeld), “Motivic decompositions of twisted flag varieties”

9/6: Mikael Lescop (Limoges), “Iwasawa descent and codescent for units modulo circular units”