{ "id": "1508.07788", "version": "v1", "published": "2015-08-31T12:32:16.000Z", "updated": "2015-08-31T12:32:16.000Z", "title": "Topological structures of hyperspaces of finite sets in non-separable metrizable spaces", "authors": [ "Katsuhisa Koshino" ], "comment": "arXiv admin note: text overlap with arXiv:1503.08575. text overlap with arXiv:1508.05557", "categories": [ "math.GN" ], "abstract": "Let ${\\rm Fin}(X)$ be the hyperspace consisting of non-empty finite subsets of a space $X$ endowed with the Vietoris topology. In this paper, we characterize a metrizable space $X$ whose hyperspace ${\\rm Fin}(X)$ is homeomorphic to the linear subspace spanned by the canonical orthonormal basis of a non-separable Hilbert space of density $< \\mathfrak{d}$, where $\\mathfrak{d}$ is the dominating number.", "revisions": [ { "version": "v1", "updated": "2015-08-31T12:32:16.000Z" } ], "analyses": { "subjects": [ "54B20", "54F65", "57N20" ], "keywords": [ "non-separable metrizable spaces", "finite sets", "topological structures", "hyperspace", "non-empty finite subsets" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2015arXiv150807788K" } } }