{ "id": "1905.05688", "version": "v1", "published": "2019-05-14T16:06:25.000Z", "updated": "2019-05-14T16:06:25.000Z", "title": "Finite direct sums of cyclic embeddings", "authors": [ "Justyna Kosakowska", "Markus Schmidmeier" ], "comment": "arXiv admin note: substantial text overlap with arXiv:1607.05640", "categories": [ "math.RT" ], "abstract": "In this paper we generalize Kaplansky's combinatorial characterization of the isomorphism types of embeddings of a cyclic subgroup in a finite abelian group given in his 1951 book ``Infinite Abelian Groups''. For this we introduce partial maps on Littlewood-Richardson tableaux and show that they characterize the isomorphism types of finite direct sums of such cyclic embeddings.", "revisions": [ { "version": "v1", "updated": "2019-05-14T16:06:25.000Z" } ], "analyses": { "subjects": [ "05E10", "20K27", "47A15" ], "keywords": [ "finite direct sums", "cyclic embeddings", "isomorphism types", "generalize kaplanskys combinatorial characterization", "infinite abelian groups" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }