{ "id": "2211.03605", "version": "v1", "published": "2022-11-07T14:51:20.000Z", "updated": "2022-11-07T14:51:20.000Z", "title": "Polynomial equations for additive functions I", "authors": [ "Eszter Gselmann", "Gergely Kiss" ], "comment": "28 pages", "categories": [ "math.CA" ], "abstract": "The aim of this sequence of work is to investigate polynomial equations satisfied by additive functions. As a result of this, new characterization theorems for homomorphisms and derivations can be given. More exactly, in this paper the following type of equation is considered $$\\sum_{i=1}^{n}f_{i}(x^{p_{i}})g_{i}(x^{q_{i}})= 0 \\qquad \\left(x\\in \\mathbb{F}\\right),$$ where $n$ is a positive integer, $\\mathbb{F}\\subset \\mathbb{C}$ is a field, $f_{i}, g_{i}\\colon \\mathbb{F}\\to \\mathbb{C}$ are additive functions and $p_i, q_i$ are positive integers for all $i=1, \\ldots, n$.", "revisions": [ { "version": "v1", "updated": "2022-11-07T14:51:20.000Z" } ], "analyses": { "subjects": [ "16W20", "39B32", "43A45" ], "keywords": [ "additive functions", "polynomial equations", "positive integer", "characterization theorems" ], "note": { "typesetting": "TeX", "pages": 28, "language": "en", "license": "arXiv", "status": "editable" } } }