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Nov 21 2023

Logic Seminar: Mutual Stationarity and Combinatorics at $\aleph_\omega$, by Will Adkisson

November 21, 2023

4:00 PM - 4:50 PM


636 SEO


Chicago, IL

Will Adkisson (UIC): Mutual Stationarity and Combinatorics at $\aleph_\omega$

Stationary sets are a fundamental concept in set theory, but their definition only makes sense at regular cardinals. We will describe mutual stationarity, a property that can be viewed as an analog of stationarity for singular cardinals, and discuss how it interacts with other combinatorial properties at or near $\aleph_\omega$. In particular, we will discuss stationary reflection and the failure of the Singular Cardinal Hypothesis.

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Matthew Harrison-Trainor

Date posted

Nov 30, 2023

Date updated

Nov 30, 2023


Will Adkisson | (UIC)