{ "id": "2109.08686", "version": "v1", "published": "2021-09-17T17:32:32.000Z", "updated": "2021-09-17T17:32:32.000Z", "title": "Summation of certain trigonometric series with logarithmic coefficients", "authors": [ "Rufus Boyack" ], "comment": "Published version", "doi": "10.1007/s41478-021-00327-4", "categories": [ "math.CA" ], "abstract": "The sums of three trigonometric series with logarithmic coefficients are derived by extending an approach first utilized by Lerch. By applying Frullani's theorem to two of these series, two non-trivial integrals involving hyperbolic functions are evaluated in terms of the digamma function.", "revisions": [ { "version": "v1", "updated": "2021-09-17T17:32:32.000Z" } ], "analyses": { "keywords": [ "trigonometric series", "logarithmic coefficients", "digamma function", "hyperbolic functions", "approach first" ], "tags": [ "journal article" ], "publication": { "publisher": "Springer" }, "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }