Programme for the workshop on

Enveloping Algebras

April 11 - 18, 1999

Excepting Wednesday 14 April, lectures took place in Lecture Room 1, Ziskind bld. Weizmann Institute. On Wednesday morning lectures took place in the Greenspan Lecture room, Holon Institute of Technology, Arts and Sciences.

Monday, April 12

8.30-9.30 :

Registration

9.30 - 10.30 :

J. C. Jantzen, Aarhus

Representations of simple Lie algebras in prime characteristic

10.30 - 11.00 :

Coffee

11.00 - 12.00 :

A. A. Kirillov, UPenn

Biclosed algebras of differential operators

12.10 - 13.00 :

E. Lanzmann, Paris VI

The minimal primitive ideals of the enveloping algebra of osp(1,2l)

13.00-14.30 :

Lunch

14.30 - 15.20 :

M. Varagnolo, Cergy-Pontoise

Canonical bases and representations of SL(N) at roots of unity

15.30 - 16.00 :

Tea

16.00 - 16.50 :

M. L. Nazarov, York

Yangians and Capelli identities for Lie superalgebras

Tuesday, April 13

10.30 - 11.30 :

F. Knop, Rutgers

On multiplicity free representations

11.30 - 12.00 :

Coffee

12.00 - 13.00 :

C. M. Ringel, Bielefeld

Indecomposable representations of a quiver as elements of the corresponding quantum group

13.00 - 14.30 :

Lunch

14:30 - 15.20 :

O. Mathieu, Strasbourg

Classification of Cartan type algebras

15.30 - 16.00 :

Tea

16:O0 - 16.50 :

M. Rosso, Strasbourg

Quantum shuffles and iterated integrals

17.00 - 17.50 :

A. Pressley, King's College

An algebraic characterization of the affine canonical basis

Wednesday, April 14

8.30 - 9.00 :

Coffee

9.00 - 9.30 :

T. Dreyfus, Acting Rector, J. Azoulai Vice-President, Holon Center

Words of Welcome

9.30 - 10.30 :

J. Bernstein, Tel-Aviv

Cohen - Macauley property of the category of (g,K)-modules.

10.30 - 11.00 :

Coffee

11.00 - 11.50 :

A. Rosenberg, MPI, Bonn

Noncommutative geometry and representations

12.00 - 12.50 :

D. Gaitsgory, IAS Princeton

Construction of central elements in the affine Hecke algebra

13.00-14.30 :

Lunch

14.30 :

Trip to Old Jaffa

20.00 :

Workshop Dinner

Thursday, April 15

9.30 - 10.30 :

B. Kostant, MIT

A cubic Dirac operator and the emergence of Euler number multiplets of representations for equal rank subgroups

10.30 - 11.00 :

Coffee

11.00 - 12.00 :

D. Vogan, MIT

Dominant weights and nilpotent orbits

12.10 - 13.00 :

W. Borho, Wuppertal

Extended central characters and Dixmier's map

13.00-14.30 :

Lunch

14.30 - 15.20 :

C. Kassel, Strasbourg

Biquantization of Lie bialgebras

15.30 - 16.00 :

Tea

16.00 - 16.50 :

M. Reineke, Strasbourg

Feigin's map and monomial bases for quantized enveloping algebras

Friday, April 16

9.30 - 10.30 :

S. Kumar, Chapel Hill

Algebraization of Frobenius splitting via quantum groups

10.30 - 11.00 :

Coffee

11.00 - 11.50 :

K. Guenzl, Freiburg

The fine structure of translation functors

12.00 - 12.50 :

J. F. Thomsen, Aarhus

Frobenius splitting of cotangent bundles and normality of nilpotent varieties

13.00-14.30 :

Lunch