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General and Set-Theoretic Topology

General/ST Session Talk #3.5

Subevent of General/ST Session #3

HUMB 150

Times: 2025 Aug 12 from 04:10PM to 04:30PM (Central Time (US & Canada))

Webinar link: Icon: video Webinar

In the quest for squares in plane continua

Cristina Villanueva-Segovia ⟨cristina@im.unam.mx⟩

Abstract:

In this talk we will be looking at conditions on a plane continuum $X$ (not necessarily locally connected) that guarantee the existence of four points in $X$ that are the vertices of a Euclidean Square (in which case we say that $X$ admits an inscribed square). In particular we show that ‘‘certain type of square inscription´´ is generic among continua that separate the plane. The motivation of this work comes from the square peg problem: Does every Jordan curve admits an inscribed square?

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