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Recursive properties of branching and BGG resolution (1102.1702v1)
Published 8 Feb 2011 in math.RT
Abstract: Recurrent relations for branching coefficients are based on a special type of singular element decomposition. We show that this decomposition can be used to construct the parabolic Verma modules and finally to obtain the generalized Weyl-Verma formulas for characters. We demonstrate how branching coefficients can determine the generalized BGG resolution sequence.
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