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ON THE HOMOGENIZED ENVELOPING ALGEBRA OF THE LIE ALGEBRA Sℓ(2,ℂ) II

Part of: Rings and algebras arising under various constructions Lie algebras and Lie superalgebras

Published online by Cambridge University Press:  10 June 2016

ROBERTO MARTÍNEZ-VILLA
ROBERTO MARTÍNEZ-VILLA*
Affiliation:
Centro de Ciencias Matemáticas, UNAM, Campus Morelia, Apartado Postal 61-3 Xangari, C.P. 58089, Morelia Michoacán, México e-mail: mvilla@matmor.unam.mx
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Abstract

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In a previous paper, we studied the homogenized enveloping algebra of the Lie algebra sℓ(2,ℂ) and the homogenized Verma modules. The aim of this paper is to study the homogenization $\mathcal{O}$B of the Bernstein–Gelfand–Gelfand category $\mathcal{O}$ of sℓ(2,ℂ), and to apply the ideas developed jointly with J. Mondragón in our work on Groebner basis algebras, to give the relations between the categories $\mathcal{O}$B and $\mathcal{O}$ as well as, between the derived categories $\mathcal{D}$b($\mathcal{O}$B) and $\mathcal{D}$b($\mathcal{O}$).

MSC classification

Primary: 16S30: Universal enveloping algebras of Lie algebras 17B35: Universal enveloping (super)algebras
Secondary: 17B10: Representations, algebraic theory (weights)
Type
Research Article
Information
Glasgow Mathematical Journal , Volume 59 , Issue 1 , January 2017 , pp. 189 - 219
Copyright
Copyright © Glasgow Mathematical Journal Trust 2016 

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