{ "id": "1708.06536", "version": "v1", "published": "2017-08-22T08:43:02.000Z", "updated": "2017-08-22T08:43:02.000Z", "title": "Minimal W-superalgebras and modular representations of basic Lie superalgebras", "authors": [ "Yang Zeng", "Bin Shu" ], "comment": "57 pages, any comments are welcome", "categories": [ "math.RT", "math.QA" ], "abstract": "Let $\\mathfrak{g}=\\mathfrak{g}_{\\bar 0}+\\mathfrak{g}_{\\bar 1}$ be a basic Lie superalgebra over $\\mathbb{C}$, and $e$ a minimal nilpotent element in $\\mathfrak{g}_{\\bar 0}$. Set $W_\\chi'$ to be the refined $W$-superalgebra associated with the pair $(\\mathfrak{g},e)$, which is called a minimal $W$-superalgebra. In this paper we present a set of explicit generators of minimal $W$-superalgebras and the commutators between them. In virtue of this, we show that over an algebraically closed field $\\mathds{k}$ of characteristic $p\\gg0$, the lower bounds of dimensions in the modular representations of basic Lie superalgebras with minimal nilpotent $p$-characters are attainable. Such lower bounds are indicated in \\cite{WZ} as the super Kac-Weisfeiler property.", "revisions": [ { "version": "v1", "updated": "2017-08-22T08:43:02.000Z" } ], "analyses": { "keywords": [ "basic lie superalgebra", "modular representations", "minimal w-superalgebras", "lower bounds", "minimal nilpotent element" ], "note": { "typesetting": "TeX", "pages": 57, "language": "en", "license": "arXiv", "status": "editable" } } }