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Making holes in the cone, suspension and hyperspaces of some continua

José G. AnayaEnrique Castañeda-AlvaradoAlejandro Fuentes-Montes de OcaFernando Orozco-Zitli — 2018

Commentationes Mathematicae Universitatis Carolinae

A connected topological space Z is unicoherent provided that if Z = A B where A and B are closed connected subsets of Z , then A B is connected. Let Z be a unicoherent space, we say that z Z makes a hole in Z if Z - { z } is not unicoherent. In this work the elements that make a hole to the cone and the suspension of a metric space are characterized. We apply this to give the classification of the elements of hyperspaces of some continua that make them hole.

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