The Endomorphism Algebra of the Gel'fand-Graev Module of the Finite General Linear group
Από το τεύχος 45 του περιοδικού Δελτίο της Ελληνικής Μαθηματικής Εταιρίας
This article considers the Hecke Algebra H of endomorphisms of the Gel'fand-Graev module of GL_n(q) (the finite general linear group consisting of all invertible nxn matrices with entries in the finite field of q elements). The basis elements of the above can be expressed using certain monomial matrices, N_. The authors provide a reduced form of the matrices in N_ W using simple reflections of the Weyl group W. The article concludes with an application of the results to the action of G on the cuspidal modules.
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