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ISSN 1079-6762
 
 

Family algebras

Author(s): A. A. Kirillov
Journal: Electron. Res. Announc. Amer. Math. Soc. 6 (2000), 7-20.
MSC (2000): Primary 15A30, 22E60
Posted: March 1, 2000
Comment(s): Additional information about this paper
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Abstract: A new class of associative algebras is introduced and studied. These algebras are related to simple complex Lie algebras (or root systems). Roughly speaking, they are finite dimensional approximations to the enveloping algebra $U(\mathfrak{g})$ viewed as a module over its center.

It seems that several important questions on semisimple algebras and their representations can be formulated, studied and sometimes solved in terms of our algebras.

Here we only start this program and hope that it will be continued and developed.


References:

[H]
J. Humphreys, Introduction to Lie Algebras and Representation Theory, Springer, New York, 1972, 1980 (second edition). MR 48:2197, MR 81b:17007

[K]
B. Kostant, Lie group representations on polynomial rings, Amer. J. Math. 85 (1963), 327-404. MR 28:1252

[OV]
A. L. Onishchik and E. B. Vinberg, A seminar on Lie groups and algebraic groups, Nauka, Moscow, 1988, 1995 (second edition); English translation: Series in Soviet Mathematics, Springer-Verlag, 1990, xx+328 pp. MR 92i:22014, MR 97d:22001

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Additional Information:

A. A. Kirillov
Affiliation: Department of Mathematics, The University of Pennsylvania, Philadelphia, PA 19104
Email: kirillov@math.upenn.edu

DOI: 10.1090/S1079-6762-00-00075-5
PII: S 1079-6762(00)00075-5
Keywords: Enveloping algebras, invariants, representations of semisimple Lie algebras
Received by editor(s): December 31, 1999
Posted: March 1, 2000
Communicated by: Svetlana Katok
Copyright of article: Copyright 2000, American Mathematical Society


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