{ "id": "1202.1029", "version": "v1", "published": "2012-02-06T01:41:49.000Z", "updated": "2012-02-06T01:41:49.000Z", "title": "Extensions of Ramanujan's two formulas for $1/π$", "authors": [ "Chuanan Wei", "Dianxuan Gong" ], "categories": [ "math.CO", "math.NT" ], "abstract": "In terms of the hypergeometric method, we establish the extensions of two formulas for $1/\\pi$ due to Ramanujan [27]. Further, other five summation formulas for $1/\\pi$ with free parameters are also derived in the same way.", "revisions": [ { "version": "v1", "updated": "2012-02-06T01:41:49.000Z" } ], "analyses": { "keywords": [ "extensions", "hypergeometric method", "summation formulas" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2012arXiv1202.1029W" } } }