Logic Seminar: Mutual Stationarity and Combinatorics at $\aleph_\omega$, by Will Adkisson
November 21, 2023
4:00 PM - 4:50 PM
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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Date posted
Nov 30, 2023
Date updated
Nov 30, 2023
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