{ "id": "2106.05028", "version": "v1", "published": "2021-06-09T12:39:01.000Z", "updated": "2021-06-09T12:39:01.000Z", "title": "On a convexity property of tensor products of irreducible, rational representations of $SL(n)$", "authors": [ "Hariharan Narayanan", "C. S. Rajan" ], "comment": "5 pages", "categories": [ "math.RT" ], "abstract": "The aim of this note is to point out a convexity property with respect to the root lattice for the support of the highest weights that occur in a tensor product of irreducible rational representations of $SL(n)$ over the complex numbers. The observation is a consequence of the convexity properties of the saturation cone and the validity of the saturation conjecture for $SL(n)$.", "revisions": [ { "version": "v1", "updated": "2021-06-09T12:39:01.000Z" } ], "analyses": { "subjects": [ "20G05", "22E45", "05E10" ], "keywords": [ "convexity property", "tensor product", "complex numbers", "irreducible rational representations", "root lattice" ], "note": { "typesetting": "TeX", "pages": 5, "language": "en", "license": "arXiv", "status": "editable" } } }