{ "id": "1809.09587", "version": "v1", "published": "2018-09-25T16:55:41.000Z", "updated": "2018-09-25T16:55:41.000Z", "title": "On the cardinality of $S(n)$-spaces", "authors": [ "Alexander V. Osipov" ], "comment": "11 pages", "categories": [ "math.GN" ], "abstract": "In this paper we continue to study of properties of $S(n)$-spaces. We establish bounded on the cardinality of $S(n)$-spaces. Also we constructed the example of $S(n)$ not $\\theta^n$-Urysohn space for every $n\\geq 2$. This is the answer to the question of F.A. Basile, N. Carlson and J. Porter.", "revisions": [ { "version": "v1", "updated": "2018-09-25T16:55:41.000Z" } ], "analyses": { "keywords": [ "cardinality", "urysohn space", "properties" ], "note": { "typesetting": "TeX", "pages": 11, "language": "en", "license": "arXiv", "status": "editable" } } }