program

The UC Irvine and International Press 1998 IP Conference

Motives, Polylogarithms and Nonabelian Hodge Theory

UC Irvine, June 4-6, 1998

Program:

June 4, Lecture Hall Monarch Bay A - Student center, Pereira Street Parking # 4.

12 - 1 p.m.: REGISTRATION.
1 p.m.: OPENING REMARKS.
1:15 - 2:15 p.m.: V.Voevodsky (Northwestern University) - MOTIVIC COHOMOLOGY
OVER $\operatorname{Spec} { \mathbb Z}$ -1.
2:30 - 3:30 p.m.: C.Simpson (University of Toulouse) VARIATION OF THE NON-ABELIAN HODGE FILTRATION-1.
4:00 - 4:30 p.m.: REFRESHMENTS.
4:00 - 5:00 p.m.: J.Wildeshaus (University of Münster) DEGENERATION OF SHIMURA POLYLOGARITHMS.
5:15 - 6:15 p.m.: D.Arapura (Purdue University) CHARACHTERISTIC CONES OF HIGGS FIELDS AND BIRATIONAL GEOMETRY.

June 5, Monarch Bay A - Student center, Pereira Street Parking # 4.

9 - 10 a.m.: R. Schoen (Stanford University) HARMONIC MAPS TO COMPLEXES-1.
10 -10:30 a.m.: REFRESHMENTS.
10:30 - 11:30 a.m.: V.Voevodsky (Northwestern University) MOTIVIC COHOMOLOGY
OVER $\operatorname{Spec} { \mathbb Z}$ -2
11:45 a.m. - 12 :45 p.m.: M.Kapranov (Nortwestern University) CHEREDNIK ALGEBRAS AS THE HECKE ALGEBRAS FOR -adic LOOP GROUPS.
12:45 - 2:00 p.m.: LUNCH BREAK.
2:00 - 3 p.m.: M. Green (UCLA) NEW DIRECTIONS IN HODGE THEORY.
3 - 3:30 p.m.: REFRESHMENTS.
3:30 - 4:30: D.Zagier (Max Planck Institute) PERIODS OF HOLOMORPHIC AND
NON-HOLOMORPHIC MODULAR FORMS-1.
6:30 p.m.: BANQUET.

June 6, Physical Sciences Building 1 room # 118 , Parking 12a.

9 - 10 a.m.: R. Schoen (Stanford University) HARMONIC MAPS TO COMPLEXES-2.
10 - 10:30 a.m.: REFRESHMENTS.
10:30 - 11:30 a.m.: C.Simpson (University of Toulouse) VARIATION OF THE NON-ABELIAN HODGE FILTRATION-2.
11:45 a.m. - 12:45 p.m.: A. Beilinson (University of Chicago) TBA
12:45 - 2 p.m.: LUNCH BREAK.
2 - 3 p.m.: D.Zagier (Max Planck Institute) PERIODS OF HOLOMORPHIC AND NON-HOLOMORPHIC MODULAR FORMS-1.
3 - 3:30 p.m.: REFRESHMENTS.
3:30 - 4:30 p.m.: C.Telemann (Stanford University) COMBINATORIAL ASPECTS OF THE HODGE-TO-DE RHAM SPECTRAL SEQUENCE.