{ "id": "2209.07887", "version": "v1", "published": "2022-09-16T12:27:20.000Z", "updated": "2022-09-16T12:27:20.000Z", "title": "Error bounds for the asymptotic expansion of the partition function", "authors": [ "Koustav Banerje", "Peter Paule", "Cristian-Silviu Radu", "Carsten Schneider" ], "categories": [ "math.NT", "cs.SC", "math.CO" ], "abstract": "Asymptotic study on the partition function $p(n)$ began with the work of Hardy and Ramanujan. Later Rademacher obtained a convergent series for $p(n)$ and an error bound was given by Lehmer. Despite having this, a full asymptotic expansion for $p(n)$ with an explicit error bound is not known. Recently O'Sullivan studied the asymptotic expansion of $p^{k}(n)$-partitions into $k$th powers, initiated by Wright, and consequently obtained an asymptotic expansion for $p(n)$ along with a concise description of the coefficients involved in the expansion but without any estimation of the error term. Here we consider a detailed and comprehensive analysis on an estimation of the error term obtained by truncating the asymptotic expansion for $p(n)$ at any positive integer $n$. This gives rise to an infinite family of inequalities for $p(n)$ which finally answers to a question proposed by Chen. Our error term estimation predominantly relies on applications of algorithmic methods from symbolic summation.", "revisions": [ { "version": "v1", "updated": "2022-09-16T12:27:20.000Z" } ], "analyses": { "subjects": [ "05A16", "11P82", "68W30" ], "keywords": [ "partition function", "error term estimation predominantly relies", "explicit error bound", "full asymptotic expansion", "asymptotic study" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }