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International Conference "Group Theory and Universal Algebra"

in honor of Boris I. Plotkin on the occasion of his 80th birthday

December 20 - 22, 2005

December 20-21
Einstein Institute of Mathematics, The Hebrew University of Jerusalem, Givat Ram
December 22
Department of Mathematics, Ben Gurion University

Sponsored by:
Einstein Institute of Mathematics, The Hebrew University of Jerusalem
The Edmund Landau Minerva Center for Research in Mathematical Analysis and Related Areas
Center for Advanced Studies in Mathematics, Ben Gurion University of the Negev
Bar Ilan University, Israel Science Foundation, Center of Excellence program

Please send requests regarding the details to the Organizing Committee: R. Lipyanskii (BGU):lipyansk at, G. Mashevitzky (BGU):gmash at, E. Rips (HUJI): rips at

If you need an entrance permit for the car to the Hebrew University and/or the Ben Gurion University, please contact the organizing committee with details of your car plate number before Sunday, December 19th.


J.Almeida, Universidade do Porto
C.K.Gupta, University of Manitoba
N. Gupta, University of Manitoba
H.Heineken, Wurzbug University
A.Kanel-Belov, Hebrew University
E.Katsov, Hanover College, USA
O.Kegel, Freiburg University
R.Lipyansky, Ben-Gurion University
A.Mann, Hebrew University
S.Margolis, Bar Ilan University
G.Mashevitzky, Ben-Gurion University
R.Mikhailov, Steklov Mathematical Institute
A. Mikhalev, Moscow State University
V.Mikaelian, Yerevan State University
A. Ol'shanskii, Vanderbilt University
B.Plotkin, Hebrew University
V.Remeslennikov, Omsk State University
E.Rips, Hebrew University
M.Sapir, Vanderbilt University
A.Shmelkin, Moscow State University
I.Shestakov, University San Paulo
N.Vavilov, St. Petersburg University
M.Volkov, Ural State University
E.Zelmanov, University of California at San Diego
G.Zhitomirskii, Bar Ilan University

The preliminary schedule of the Conference. Minor changes are possible. The updated version will follow in a week.


December, 20

10:00-- 10:40 E.Rips, "The Shannon Guessing Game Simulation and long Torah Code Phrases"

10:50-- 11:30 M.Sapir, "Groups acting on tree-graded spaces"

11:30-- 11:50 Coffee break

11:50-- 12:30 V.Remeslennikov, "On two problems of B. Plotkin"

12:40-- 13:40 B.Plotkin, "Geometrical similarity of algebras"

13:40-- 15:10 Lunch

15:10-- 15:40 R.Mikhailov, "On groups with trivial fourth dimension subgroups"

15:50-- 16:30 A.Mann, "Breadth of elements in polycyclic groups"

16:30-- 16:45 Coffee break

16:45-- 17:15 V.Mikaelian, "On finitely generated soluble non-Hopfian groups"

17:25-- 17:55 A. Shalev, "Caracterizing the solvable radical, probabilistic methods, and Burnside type problems"

18:30-- Conference dinner

December, 21

10:00-- 10:40 S.Margolis, "Representation Theory of Finite Semigroups, Semigroup Radicals and Formal Language Theory"

10:50-- 11:30 O.Kegel, "Remarks on a theorem of B.H. Neumenn and S. Yamamuro"

11:20-- 11:40 Coffee break

11:40-- 12:20 K.Gupta, "About test elements"

12:30-- 13:10 H.Heineken, "Products of subgroups with strong permutability properties"

13:10-- 15:00 Lunch

15:00-- 15:40 E.Zelmanov, "Algebras with property tau"

15:50-- 16:30 J.Almeida, "Fitting pseudovarieties"

16:30-- 16:50 Coffee break

16:40-- 17:20 M.Volkov, "Collapsing words"

December, 22

10:50-- 11:00 M. Cohen, "Welcome"

11:00-- 11:40 I.Shestakov, "Representation type of Jordan algebras"

11:50--12:30 A.Juhasz, "A Freiheitssatz for cyclic presentations"

12:30-- 12:50 Coffee break

12:50-- 13:30 E.Katsov "Toward Algebraic Geometry over S-Acts"

13:40-- 14:20 TBA

14:20-- 15:50 Lunch

15:50-- 16:20 A.Shmelkin, "On Magnus varieties of groups"

16:30-- 17:00 A.Kanel-Belov, "Automorphisms of Weil algebras and Kontsevich Conjecture"

17:00-- 17:15 Coffee break

17:15--17:35 M.Klin, "Strongly regular graphs which satisfy the t-vertex condition: a brief survey"

Conference dinner will be on Tuesday, December 20, in Beith Belgia Restaurant, Givat Ram Campus, following the talks.

If you are interested to participate, please email to lipyansk at, gmash at

For further information please contact:
Mashevitzky Grigory
Phone: 08-6477812

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Last updated: Dec. 19th, 2005