کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8895841 | 1630403 | 2018 | 14 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
On the variety of 1-dimensional representations of finite W-algebras in low rank
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موضوعات مرتبط
مهندسی و علوم پایه
ریاضیات
اعداد جبر و تئوری
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Let g be a simple Lie algebra over C and let eâg be nilpotent. We consider the finite W-algebra U(g,e) associated to e and the problem of determining the variety E(g,e) of 1-dimensional representations of U(g,e). For g of low rank, we report on computer calculations that have been used to determine the structure of E(g,e), and the action of the component group Îe of the centralizer of e on E(g,e). As a consequence, we provide two examples where the nilpotent orbit of e is induced, but there is a 1-dimensional Îe-stable U(g,e)-module which is not induced via Losev's parabolic induction functor. In turn this gives examples where there is a “non-induced” multiplicity free primitive ideal of U(g).
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Algebra - Volume 511, 1 October 2018, Pages 499-515
Journal: Journal of Algebra - Volume 511, 1 October 2018, Pages 499-515
نویسندگان
Jonathan Brown, Simon M. Goodwin,