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Plenary and Semi-Plenary Talks

Semi-Plenary Talk #2.1

Subevent of Semi-Plenary Talks #2

Central Time (US & Canada)

Starts at: 2025-08-12 01:00PM

Ends at: 2025-08-12 02:00PM

Homogeneity degree in local dendrites

Patricia Pellicer-Covarrubias ⟨paty@ciencias.unam.mx⟩

Abstract:

Let X be a separable space and let D(X) be the set of countable dense subsets of X. Consider an equivalence relation , defined on D(X), as follows: we say that MN if and only if there exists a homeomorphism h:XX such that h[M]=N. Define the countable dense homogeneity degree of X as the cardinality of the set of equivalence classes under the relation . In this talk we discuss the countable dense homogeneity degree for local dendrites.

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