On the Determinant of Shapovalov Form fo
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Alexandre Khomenko; Volodymyr Mazorchuk
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Article
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1999
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Elsevier Science
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English
β 146 KB
We define a generalization of the Shapovalov form for contragradient Lie algebras and compute its determinant for Generalized Verma modules induced Ε½ . from a well-embedded sl 2, β«ήβ¬ subalgebra. As a corollary we obtain a generalization of the BGG-theorem for Generalized Verma modules.