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arXiv 1407.0198math.RTmath-phmath.COmath.MP
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gl(m)的PDC模的Weyl型character公式|n)的范围

A Weyl-Type character formula for PDC modules of gl(m|n)

Michael Chmutov, Crystal Hoyt, Shifra Reif

摘要:

1994年,Kac和Wakimoto提出了基本李超代数的Bernstein和Leites特征标公式的一个推广,由此引出了一个自然的问题:它适用于哪些简单的最高权模?本文证明了李超代数gl(m)上的一大类有限维单模的一个类似公式|n),我们称之为分段不连通模块,或PDC。PDC模类自然地包括全连通模和全不连通的模,这两类模的相似特征公式作为它们的通公式的特殊情况已被苏和张证明。本文是我们追求李超代数的优美特征公式计划的一部分。

英文摘要:

In 1994, Kac and Wakimoto suggested a generalization of Bernstein and Leites character formula for basic Lie superalgebras, and the natural question was raised: to which simple highest weight modules does it apply? In this paper, we prove a similar formula for a large class of finite-dimensional simple modules over the Lie superalgebra gl(m|n), which we call piecewise disconnected modules, or PDC. The class of PDC modules naturally includes totally connected modules and totally disconnected modules, the two families for which similiar character formulas were proven by Su and Zhang as special cases of their general formula. This paper is part of our program for the pursuit of elegant character formulas for Lie superalgebras.

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