In the mathematical branch of topology, a hyperspace (or a space equipped with a hypertopology) is a topological space, which consists of the set CL(X) of all non-empty closed subsets of another topological space X, equipped with a topology so that the canonical map
is a homeomorphism onto its image. As a consequence, a copy of the original space X lives inside its hyperspace CL(X).[1] [2]
Early examples of hypertopology include the Hausdorff metric[3] and Vietoris topology.[4]
See also edit
References edit
- ^ Lucchetti, Roberto; Angela Pasquale (1994). "A New Approach to a Hyperspace Theory" (PDF). Journal of Convex Analysis. 1 (2): 173–193. Retrieved 20 January 2013.
- ^ Beer, G. (1994). Topologies on closed and closed convex sets. Kluwer Academic Publishers.
- ^ Hausdorff, F. (1927). Mengenlehre. Berlin and Leipzig: W. de Gruyter.
- ^ Vietoris, L. (1921). "Stetige Mengen". Monatshefte für Mathematik und Physik. 31: 173–204. doi:10.1007/BF01702717.
External links edit
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