{ "id": "1111.1489", "version": "v2", "published": "2011-11-07T05:11:54.000Z", "updated": "2012-08-22T02:22:23.000Z", "title": "Euler's Partition Theorem with Upper Bounds on Multiplicities", "authors": [ "William Y. C. Chen", "Ae Ja Yee", "Albert J. W. Zhu" ], "comment": "15 pages", "categories": [ "math.CO", "math.NT" ], "abstract": "We show that the number of partitions of n with alternating sum k such that the multiplicity of each part is bounded by 2m+1 equals the number of partitions of n with k odd parts such that the multiplicity of each even part is bounded by m. The first proof relies on two formulas with two parameters that are related to the four-parameter formulas of Boulet. We also give a combinatorial proof of this result by using Sylvester's bijection, which implies a stronger partition theorem. For m=0, our result reduces to Bessenrodt's refinement of Euler's Theorem. If the alternating sum and the number of odd parts are not taken into account, we are led to a connection to a generalization of Euler's theorem, which can be deduced from a theorem of Andrews on equivalent upper bound sequences of multiplicities. Analogously, we show that the number of partitions of n with alternating sum k such that the multiplicity of each even part is bounded by 2m+1 equals the number of partitions of n with k odd parts such that the multiplicity of each even part is also bounded by 2m+1. We provide a combinatorial proof as well.", "revisions": [ { "version": "v2", "updated": "2012-08-22T02:22:23.000Z" } ], "analyses": { "subjects": [ "05A17", "11P81" ], "keywords": [ "eulers partition theorem", "multiplicity", "odd parts", "alternating sum", "eulers theorem" ], "note": { "typesetting": "TeX", "pages": 15, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2011arXiv1111.1489C" } } }