Copyright © 2006 Hindawi Publishing Corporation. All rights reserved.
Shapovalov determinants of Q-type Lie superalgebras
Department of Mathematics, Incumbent of the Frances and Max Hersh Career Development Chair, The Weizmann Institute of Science Rehovot 76100, Israel E-mail address: maria.gorelik{at}weizmann.ac.il
We define an analogue of Shapovalov forms for Q-type Lie superalgebras and factorize the corresponding Shapovalov determinants which are responsible for simplicity of the highest weight modules. We apply the factorization to obtain a description of the centres of Q-type Lie superalgebras.
References
- Be
linson A., Bernstein J. A proof of Jantzen conjectures. In: I. M. Gel'fand Seminar (1993) 16. Rhode Island: American Mathematical Society. 150. Adv. Soviet Math. part 1. - De Concini C., Kac V. G. Representations of quantum groups at roots of 1. In: Progress in Mathematics (1990) 92. Operator Algebras, Unitary Representations, Enveloping Algebras, and Invariant Theory, 1989: Paris. Massachusetts: Birkhäuser Boston. 471506.
- Gel'fand I. M., Kirillov A. A. The structure of the Lie field connected with a split semisimple Lie algebra. Functional Analysis and Its Applications (1969) 3(1):621.[CrossRef]
- Gorelik M. On the ghost centre of Lie superalgebras. Annales de l'Institut Fourier (2000) 50(6):17451764. (2001).
- Gorelik M. The Kac construction of the centre of U(
) for Lie superalgebras. Journal of Nonlinear Mathematical Physics (2004) 11(3):325349.[CrossRef][Web of Science] - Jantzen J. C. Moduln mit einem höchsten Gewicht. In: Lecture Notes in Mathematics (1979) 750. Berlin: Springer. ii+195.
- Joseph A. Quantum Groups and Their Primitive Ideals. In: Results in Mathematics and Related Areas (3) (1995) 29. Berlin: Springer. x+383.
- Kac V. G. Lie superalgebras. Advances in Mathematics (1977) 26(1):896.[CrossRef][Web of Science]
- Kac V. G. Contravariant form on Lie algebras and superalgebras. In: Group Theoretical Methods in Physics (1979) Berlin: Springer. 441445. Lecture Notes in Physics.
- Kac V. G. Laplace operators of infinite-dimensional Lie algebras and theta functions. Proceedings of the National Academy of Sciences of the United States of America (1984) 81(2):645647.
[Abstract/Free Full Text] - Kac V. G. Highest weight representations of conformal current algebras. Hietarinta J., Westerholm J., eds. (1986) Topological and Geometrical Methods in Field Theory, 1986: Espoo. New Jersey: World Scientific. 315.
- Kac V. G., Kazhdan D. A. Structure of representations with highest weight of infinite-dimensional Lie algebras. Advances in Mathematics (1979) 34(1):97108.[CrossRef][Web of Science]
- Knus M.-A. Quadratic and Hermitian Forms over Rings. In: Fundamental Principles of Mathematical Sciences (1991) 294. Berlin: Springer. xii+524.
- Letzter E. S., Musson I. M. Complete sets of representations of classical Lie superalgebras. Letters in Mathematical Physics (1994) 31(3):247253.[CrossRef][Web of Science]
- MacLane S. Categories for the Working Mathematician. In: Graduate Texts in Mathematics (1971) 5. New York: Springer. ix+262.
- Nazarov M., Sergeev A. Centralizer construction of the Yangian of the queer Lie superalgebra. In: Studies in Lie TheoryFestschrift A. J., ed. (2006) 243. Massachusetts: Birkhäuser Boston. Progress in Math.
- Penkov I. B. Characters of typical irreducible finite-dimensional q(n)-modules. Functional Analysis and Its Applications (1986) 20(1):3037.[CrossRef][Web of Science]
- Rowen L. H. Ring Theory. Vol. I. In: Pure and Applied Mathematics (1988) 127. Massachusetts: Academic Press. xxiv+538.
- Sergeev A. N. Invariant polynomial functions on Lie superalgebras. Comptes Rendus de l'Académie Bulgare des Sciences (1982) 35(5):573576.
- Sergeev A. N. The centre of enveloping algebra for Lie superalgebra Q(n,
). Letters in Mathematical Physics (1983) 7(3):177179.[CrossRef][Web of Science] - Sergeev A. N. The invariant polynomials on simple Lie superalgebras. Representation Theory (1999) 3:250280.[CrossRef]
- Shapovalov N. On a bilinear form on the universal enveloping algebra of a complex semisimple Lie algebra. Functional Analysis and Its Applications (1972) 6(4):307312. Russian.[CrossRef]
| ||||||||||||||||||||||||||||||||||||||||||||||||||