{ "id": "1905.00564", "version": "v1", "published": "2019-05-02T03:30:25.000Z", "updated": "2019-05-02T03:30:25.000Z", "title": "Hyperspaces $C(p,X)$ of finite graphs", "authors": [ "Florencio Corona-Vázquez", "Russell Aarón Quiñones Estrella", "Javier Sánchez-Martínez", "Hugo Villanueva" ], "comment": "16 pages", "categories": [ "math.GN" ], "abstract": "Given a continuum $X$ and $p\\in X$, we will consider the hyperspace $C(p,X)$ of all subcontinua of $X$ containing $p$ and the family $K(X)$ of all hyperspaces $C(q,X)$, where $q\\in X$. In this paper we give some conditions on the points $p,q\\in X$ to guarantee that $C(p,X)$ and $C(q,X)$ are homeomorphic, for finite graphs $X$. Also, we study the relationship between the homogeneity degree of a finite graph $X$ and the number of topologically distinct spaces in $K(X)$, called the size of $K(X)$. In addition, we construct for each positive integer $n$, a finite graph $X_n$ such that $K(X_n)$ has size $n$, and we present a theorem that allows to construct finite graphs $X$ with a degree of homogeneity different from the size of the family $K(X)$.", "revisions": [ { "version": "v1", "updated": "2019-05-02T03:30:25.000Z" } ], "analyses": { "subjects": [ "54B20" ], "keywords": [ "hyperspace", "construct finite graphs", "homogeneity degree", "topologically distinct spaces", "conditions" ], "note": { "typesetting": "TeX", "pages": 16, "language": "en", "license": "arXiv", "status": "editable" } } }