Recent and upcoming talks by Peter Krautzberger

Peter Krautzberger: a discussion on beta(N).

There will be a logic seminar today Monday, February 6, from 4 to 5:30, in 2866 East Hall. Peter Krautzberger will moderate a discussion on beta(N). “Abstract”: After my recent series of talks, this session of the Logic Seminar will be a place for open discussion. continue reading…

Michigan Logic Seminar

The first logic seminar of the new semester will be today Monday, January 23, from 4 to 5 in room 2866 East Hall. Peter Krautzberger will speak on “Groups in beta(N)”. continue reading…

Michigan Logic Seminar

There will be a seminar on Wednesday, Dec 14, from 4 to 5:30, in 3096 East Hall. Peter Krautzberger will continue to speak on “Minimal ideals in beta(N)”. Abstract I will continue my introductory series on Algebra in the Stone-Cech Compactification.  continue reading…

Michigan Logic Seminar

There will be a logic seminar TOMORROW, Wednesday, December 7, from 4 to 5:30, in 3096 East Hall. Peter Krautzberger will continue to speak on “Minimal ideals in beta(N)”. Abstract: Continuing the introductory talk on idempotent ultrafilters, I will try to give an introduction into the algebraic structure of the semigroup $beta mathbb{N}$, in particular the smallest two-sided ideal and minimal left (right) ideals. continue reading…

Michigan Logic Seminar

There will be a logic seminar next Wednesday, November 16, from 4 to 5:30, in 3096 East Hall. Peter Krautzberger will speak on “Minimal ideals in beta(N)”. Abstract: Continuing the introductory talk on idempotent ultrafilters, I will try to give an introduction into the algebraic structure of the semigroup $beta mathbb{N}$, in particular the smallest two-sided ideal and minimal left (right) ideals. continue reading…

Michigan Logic Seminar

There will be a logic seminar next Wednesday, November 2, from 4 to 5:30, in 3096 East Hall. Peter Krautzberger will speak on “Idempotent Ultrafilters: An Introduction”. Abstract: Since the1970s a close relationship has been studied between idempotent ultrafilters and Ramsey-type theorems with an algebraic flavor, most prominently Hindman’s Theorem and the Central Sets Theorem. continue reading…

Toronto Set Theory Seminar

Toronto Set Theory Seminar Friday, June 17 from 1:30 to 3pm Fields Institute, room 210 Speaker: Peter Krautzberger (Michigan) Title: Union ultrafilters are fascinating — a survey continue reading…

April 13 — Seminar the University of Michigan, Ann Arbor

There will be a logic seminar at the University of Michigan, Ann Arbor on Wednesday, April 13, from 4 to 5:30 p.m.. Peter Krautzberger will continue his report on the Young Set Theorists’ Workshop, discussing Dilip Raghavan’s talk about P-ideal dichotomy. continue reading…