{ "id": "1906.10787", "version": "v1", "published": "2019-06-25T23:48:36.000Z", "updated": "2019-06-25T23:48:36.000Z", "title": "The p-norm of hypermatrices with symmetries", "authors": [ "V. Nikiforov" ], "comment": "8 pages", "categories": [ "math.CO" ], "abstract": "The $p$-norm of $r$-matrices generalizes the $2$-norm of $2$-matrices. It is shown that if a nonnegative $r$-matrix is symmetric with respect to two indices $j$ and $k$, then the $p$-norm is attained for some set of vectors such that the $i$th and the $j$th vectors are identical. It follows that the $p$-spectral radius of a symmetric nonnegative $r$-matrix is equal to its $p$-norm for any $p\\geq2$.", "revisions": [ { "version": "v1", "updated": "2019-06-25T23:48:36.000Z" } ], "analyses": { "subjects": [ "05C50", "05C65", "15A18", "15A42", "15A60", "15A69" ], "keywords": [ "symmetries", "hypermatrices", "matrices generalizes", "spectral radius" ], "note": { "typesetting": "TeX", "pages": 8, "language": "en", "license": "arXiv", "status": "editable" } } }