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General and Set-Theoretic Topology

General & ST Session #4.2

Subevent of General & ST Session #4

Heritage Hall Building 124

Times: 2026 Mar 12 from 04:15PM to 04:45PM (Central Time (US & Canada))

Do monotonically semi-neighborhood refining spaces have well-ordered neighborhood (F)?

Ted Porter <jporter@murraystate.edu>, Murray State University

Abstract:

In 1996, Stares introduced monotonically semi-neighborhood refining (MSNR) spaces and showed that well-ordered neighborhood (F) spaces are MSNR spaces. In this talk, the question of whether MSNR spaces have well-ordered neighborhood (F) is explored. We show that MSNR spaces have well-ordered (F) and hence are monotonically normal and hereditarily paracompact. MSNR spaces are also shown to be lob-spaces. The relationships between MSNR spaces with other monotone covering properties will also be explored.

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