University of Michigan Logic Seminar April 20

The University of Michigan Logic Seminar meets at East Hall, SR 3096, this Wednesday, April 20.

Peter Krautzberger will give an introductory talk on Grigorieff forcing and other Sacks forcing variants connected to the model with no P-points and the model with a unique Ramsey ultrafilter by Shelah. If time permits, some current joint work with David Chodounsky on union ultrafilters will be discussed.

This talk can be broadcast or recorded upon request.

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