Infinite-dimensional Lie algebras, theta functions and modular forms
Infinite-dimensional Lie algebras, theta functions and modular forms
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DOI:
10.1016/0001-8708(84)90032-x
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发表时间:
1984-08
影响因子:
1.7
通讯作者:
V. Kac;D. Peterson
中科院分区:
文献类型:
--
作者:
V. Kac;D. Peterson
Contents. Introduction. Notations and conventions. I. Affine Lie algebras and root systems. 1.1 Basic facts about Kac-Moody algebras. 1.2. The classification of affrne Lie algebras. 1.3. The normalized invariant form on an affrne Lie algebra. 1.4. An explicit description of the root system of an affine Lie algebra. 1.5. The adjacent root system. 1.6. The Weyl group of an afline Lie algebra and the lattice M. 1.7. Realizations of afftne Lie algebras. 1.8. Appendix 1: On asymptotics of root multiplicities. II. Highest weight representations. 2.1. Basic facts about irreducible highest weight modules over KaE-Moody algebras. 2.2. Modules L (A) over aftine Lie algebras. 2.3. String functions and classical theta functions. 2.4. Appendix 2: On the region of convergence of ch, t,,,. 2.5. Appendix 3: On the Segal operators.III. Classical theta functions and modular forms. 3. I. Transformation properties of theta functions. 3.2. The ring of theta functions. 3.3. Some facts about modular forms. IV. The theory of string functions. 4.1. Theta functions and aftine Lie algebras. 4.2. Transformation properties of the denominator A,. 4.3. Specializations of A, and the “very strange” formula. 4.4. Transformation properties of the string functions. 4.5. The matrix of string functions. 4.6. Explicit computation of string functions. 4.7. Asymptotics of weight multiplicities. 4.8. Three remarkable A, and three remarkable elements of a compact Lie group. 4.9. Restriction of a highest weight module to a subalgebra. 4.10. Appendix 4: On independence of fundamental characters. V. The partition function and Hecke “indefinite” modular forms. 5.1. The partition function K for A,... t’) 5 2 Formulas for K in low ranks. 5.3. Hecke “indefinite” modular forms. 5.4. String functions for Al”. 5.5. Some applications.