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  1. Topology and Dynamics
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  3. STDC
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  5. 2026

Continuum Theory

Icon: calendar Continua Session #2.3 | 2026 Mar 11 from 04:30PM to 04:50PM (Central Time (US & Canada)) | Heritage Hall Building 106

Subevent of Continua Session #2

‟Tree-like continua and the fixed-point property” by Andrea Ammerlaan, with Logan Hoehn

Abstract:

In 1980, David Bellamy constructed the first example of a tree-like continuum which does not have the fixed-point property. Several others have been constructed since, most recently in 2018 by Rodrigo Hern'{a}ndez-Guti'{e}rrez and Logan Hoehn. Their example is expressed as an inverse limit on trees, each of which is an arc with simple triods attached at select points. In this talk, I discuss the construction from Hern'{a}ndez-Guti'{e}rrez and Hoehn and give an overview of work towards a similar example where each factor space has branch points of lower degree. Joint work with Logan Hoehn.