Pfister-Tagung

Jean-Pierre Serre (Collège de France)

The role of Pfister forms in Galois cohomology

Markus Rost (Bielefeld)

Multiplicative functions

Bruno Kahn (Jussieu)

A degree 3 cohomological invariant for certain division algebras.

Manfred Knebusch (Regensburg)

Specialization of forms

Nikita Karpenko (Jussieu)

Non-hyperbolicity of orthogonal involutions.

Claus Scheiderer (Konstanz)

An elementary proof of Hilbert's theorem on positive ternary quartics.

Alexander Vishik (Nottingham)

Pfister forms and geometry

Jean-Louis Colliot-Thélène (Orsay)

Ein Amer-Brumer Satz für Nullzyklen vom Grade eins.

Fabien Morel (München)

Cohomological invariants and H_0 of classifying spaces