Differential Equations for Singular Vectors of sl(n)

نویسنده

  • Xiaoping Xu
چکیده

Given a weight of sl(n), we derive a system of variable-coefficient second-order linear partial differential equations that determines the singular vectors in the corresponding Verma module. Moreover, we completely solve the system in a certain space of power series. The polynomial solutions correspond to the singular vectors in the Verma module. The well-known results of Verma, Bernstein-Gel’fand-Gel’fand and Jantzen for the case of sl(n) are naturally included in our almost elementary approach of partial differential equations.

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تاریخ انتشار 2008