{ "id": "1403.7320", "version": "v1", "published": "2014-03-28T10:01:12.000Z", "updated": "2014-03-28T10:01:12.000Z", "title": "Projective Oscillator Representations of sl(n+1) and sp(2m+2)", "authors": [ "Xiaoping Xu" ], "comment": "15pages", "categories": [ "math.RT" ], "abstract": "The n-dimensional projective group gives rise to a one-parameter family of inhomogeneous first-order differential operator representations of sl(n+1). By partially swapping differential operators and multiplication operators, we obtain more general differential operator representations of sl(n+1). Letting these differential operators act on the corresponding polynomial algebra and the space of exponential-polynomial functions, we construct new multi-parameter families of explicit infinite-dimensional irreducible representations for s(n+1) and sp(2m+2) when n=2m+1. Our results can be viewed as extensions of Howe's oscillator construction of infinite-dimensional multiplicity-free irreducible representations for sl(n).", "revisions": [ { "version": "v1", "updated": "2014-03-28T10:01:12.000Z" } ], "analyses": { "subjects": [ "17B10" ], "keywords": [ "projective oscillator representations", "inhomogeneous first-order differential operator representations", "general differential operator representations", "differential operators act", "explicit infinite-dimensional irreducible representations" ], "note": { "typesetting": "TeX", "pages": 15, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2014arXiv1403.7320X" } } }