{ "id": "1110.5540", "version": "v1", "published": "2011-10-25T15:40:37.000Z", "updated": "2011-10-25T15:40:37.000Z", "title": "Cubic Harmonics and Bernoulli Numbers", "authors": [ "Katsunori Iwasaki" ], "comment": "18 pages, 3 figures", "categories": [ "math.CO" ], "abstract": "The functions satisfying the mean value property for an n-dimensional cube are determined explicitly. This problem is related to invariant theory for a finite reflection group, especially to a system of invariant differential equations. Solving this problem is reduced to showing that a certain set of invariant polynomials forms an invariant basis. After establishing a certain summation formula over Young diagrams, the latter problem is settled by considering a recursion formula involving Bernoulli numbers. Keywords: polyhedral harmonics; cube; reflection groups; invariant theory; invariant differential equations; generating functions; partitions; Young diagrams; Bernoulli numbers.", "revisions": [ { "version": "v1", "updated": "2011-10-25T15:40:37.000Z" } ], "analyses": { "subjects": [ "52B15", "20F55", "11B68" ], "keywords": [ "bernoulli numbers", "cubic harmonics", "invariant differential equations", "young diagrams", "invariant theory" ], "note": { "typesetting": "TeX", "pages": 18, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2011arXiv1110.5540I" } } }