{ "id": "2305.08087", "version": "v1", "published": "2023-05-14T07:30:42.000Z", "updated": "2023-05-14T07:30:42.000Z", "title": "$N=2$ supersymmetric structures on classical $W$-algebras", "authors": [ "Eric Ragoucy", "Arim Song", "Uhi Rinn Suh" ], "categories": [ "math-ph", "math.MP" ], "abstract": "We describe an $N=2$ supersymmetric Poisson vertex algebra structure of $N=1$ (resp. $N=0$) classical $W$-algebra associated with $\\mathfrak{sl}(n+1|n)$ and the odd (resp. even) principal nilpotent element. This $N=2$ supersymmetric structure is connected to the principal $\\mathfrak{sl}(2|1)$-embedding in $\\mathfrak{sl}(n+1|n)$ superalgebras, which are the only basic Lie superalgebras that admit such a principal embedding.", "revisions": [ { "version": "v1", "updated": "2023-05-14T07:30:42.000Z" } ], "analyses": { "keywords": [ "supersymmetric structure", "supersymmetric poisson vertex algebra structure", "principal nilpotent element", "basic lie superalgebras" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }