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  1. Topology and Dynamics
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  5. 2025

Plenary and Semi-Plenary Talks

Icon: calendar Semi-plenary B: David Maya | 2025 Mar 07 from 04:30PM to 05:15PM (Eastern Time (US & Canada)) | Forbes 2070E

Subevent of Semi-plenary Talks

‟Semi-Kelley fans have contractible hyperspaces” by David Maya <dmayae@outlook.com>, Universidad Autónoma del Estado de México

Abstract:

Semi-Kelley continua were introduced by J. J. Charatonik and W.J. Charatonik in 1998, who proved that every Kelley continuum is semi-Kelley. Since then, this class of continua has been studied by several authors. The most important problem in this area is determining whether the hyperspaces of a semi-Kelley continua are contractible. In this talk, we present a positive partial answer to this question in the case of fans.