**Fourth Annual Amitsur Symposium**

**Department of Mathematics and
Computer Science**

**Bar-Ilan University**

Organizing committee: A. Mann, L. Rowen, Y. Segev, A. Shalev, G. Soifer, M. Teicher

__Monday 29 June__

Beck Auditorium

9:30-10:00 Refreshments

10:00-10:10 Opening remarks

10:10-11:10 L. Small, Reductive groups, Engel Conditions, and Ring Theory I 11:25-12:25 J.P. Tignol, Algebras with Involution and Classical Groups I

12:25- 14:00 Lunch

14:00-14:50 L. Makar-Limanov, Can we find a ring out of a tensor product? 15:00-15:50 I. Efrat Small absolute Galois groups 16:10-17:00 D. Haran, Hilbert's irreducibility theorem and extensions of fields 17:10-18:00 B. Wajnryb, Artin groups and geometric monodromy

__Tuesday 30 June __

Economics Building, Conference room

10:00-11:00 L. Small, Reductive groups, Engel Conditions, and Ring Theory II 11:20-12:10 A. Mann, Some questions about $p$-groups 12:20 - 13:10 M. Schaps, Crossed products and quivers

13:10-14:30 lunch

14:30-15:20 A. Joseph, PRV determinants

15:30-16:20 A. Lubotzky, Groups and expanders

16:40-17:30 A. Regev, Combinatorial methods in associative and nonassociative algebras

18:00 Festive dinner at BI

__Wednesday 1 July__

Economics Building, Conference room

10:00-11:00 J.P. Tignol, Algebras with Involution and Classical Groups II 11:20-12:10 A. Shalev, The entropy of graded algebras 12:20-13:10 A. Yekutieli, The residue complex of a PI-algebra

13:10-14:30 lunch