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A Construction of Generalized Harish-Chandra Modules with Arbitrary Minimal k-Type

Research paper by Ivan Penkov, Gregg Zuckerman

Indexed on: 15 Mar '06Published on: 15 Mar '06Published in: Mathematics - Representation Theory



Abstract

Let g be a semisimple complex Lie algebra and k in g be any algebraic subalgebra reductive in g. For any simple finite dimensional k-module V, we construct simple (g; k)-modules M with finite dimensional k-isotypic components such that V is a k-submodule of M and the Vogan norm of any simple k-submodule V' of M; V' not isomorphic to V, is greater than the Vogan norm of V . The (g; k)-modules M are subquotients of the fundamental series of (g; k)-modules introduced in [PZ2].