{ "id": "1005.4256", "version": "v1", "published": "2010-05-24T06:30:05.000Z", "updated": "2010-05-24T06:30:05.000Z", "title": "Bijective Proofs of Gould's and Rothe's Identities", "authors": [ "Victor J. W. Guo" ], "comment": "4 pages", "journal": "Discrete Math. 308 (2008), 1756--1759", "doi": "10.1016/j.disc.2007.04.020", "categories": [ "math.CO" ], "abstract": "We first give a bijective proof of Gould's identity in the model of binary words. Then we deduce Rothe's identity from Gould's identity again by a bijection, which also leads to a double-sum extension of the $q$-Chu-Vandermonde formula.", "revisions": [ { "version": "v1", "updated": "2010-05-24T06:30:05.000Z" } ], "analyses": { "subjects": [ "05A19" ], "keywords": [ "bijective proof", "goulds identity", "deduce rothes identity", "chu-vandermonde formula", "double-sum extension" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 4, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2010arXiv1005.4256G" } } }