James Cummings: Regular cardinals and compactness

Mathematical logic seminar – Dec 4 2018
Time:     3:30pm – 4:30 pm

Room:     Wean Hall 8220

Speaker:         James Cummings
Department of Mathematical Sciences
CMU

Title:     Regular cardinals and compactness

Abstract:

This talk is a sequel of sorts to last week’s talk on singular compactness, but is completely independent of it. I will discuss phenomena of compactness and incompactness for regular cardinals, with particular emphasis on stationary reflection and problems about transversals.

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