Witt Groups of Algebraic Varieties

Monday, March 5, 2001
9.30 Opening, Hörsaal M5
10.00-10.45 J. Barge: On Bott periodicity and a theorem of Karoubi
Break
11.15-12.00 B. Kahn: Descent of quadratic forms
Lunch time
14.00-14.45 M. Ojanguren: Quadratic forms over henselian fields
Free time Coffee, cookies and mathematics
17.15-18.00 J.L. Colliot-Thélène: Biquaternion algebras on 3-dimensional varieties

Tuesday, March 6, 2001
10.00-10.45 J.-P. Monnier: Witt groups of real curves
Break
11.15-12.00 R. Sujatha: Level and Witt groups of surfaces
Lunch time
14.00-14.45 L. Mahé: Local-Global Principle for R (X,Y)
Free time Coffee, cookies and mathematics
17.15-18.00 D. Hoffmann: Embeddability of quadratic forms in Pfister forms

Wednesday, March 7, 2001
10.00-10.45 J. Hornbostel: Localization in Hermitian K-theory
Break
11.15-12.00 B. Erez: Hasse-Witt invariants of symmetric complexes: an example from geometry
City tour

Thursday, March 8, 2001
10.00-10.45 S. Gille: Witt groups with support
Break
11.15-12.00 I. Panin: Oriented cohomology and a Riemann-Roch theorem
Lunch time
14.00-14.45 A. Nenashev / M. Szyjewski: Generalized discriminants
Free time Coffee, cookies and mathematics
17.15-18.00 A. Sivatsky: Splitting of quadratic forms over some generic field extensions

Friday, March 9, 2001
10.00-10.45 H. Pennaneac'h: Algebraically constructible homology
Break
11.15-12.00 K. Zainoulline: On the purity problem for functors with transfers
Lunch time
14.00-14.45 C. Walter: Witt groups of projective bundle
Free time Coffee, cookies and mathematics


SFB 478 Geometrische Strukturen
Last modified: Fri Sep 7 10:01:39 MET DST 2001