{ "id": "math/0701345", "version": "v1", "published": "2007-01-12T13:37:02.000Z", "updated": "2007-01-12T13:37:02.000Z", "title": "Irrationality proof of certain Lambert series using little q-Jacobi polynomials", "authors": [ "Jonathan Coussement", "Christophe Smet" ], "comment": "16 pages", "categories": [ "math.CA", "math.NT" ], "abstract": "We apply the Pade technique to find rational approximations to % \\[h^{\\pm}(q_1,q_2)=\\sum_{k=1}^\\infty\\frac{\\q_1^k}{1\\pm \\q_2^k}, 0