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Logic Seminar

Wednesday, April 12, 2023
12:00pm to 1:00pm
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Cardinalities Below the Power Set of the First Uncountable Cardinals
William Chan, Department of Mathematics, University of North Texas,

Please note that the time is PST

This talk will survey the known structure of cardinalities below the power set of the first uncountable cardinal under various determinacy assumptions. Regularity and cofinality of cardinalities will be formulated. Combinatorial aspects of cardinalities such as primeness and Jónssonness may also be discussed. Portions of this talk includes joint work with Jackson and Trang.

For more information, please contact Math Dept. by phone at 626-395-4335 or by email at A. Kechris at [email protected].