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Teaching SoSe 2025

Model theory = logic + algebra

The course offers an introduction to classical model theory. It develops a broad general toolkit to construct and analyze theories and their models. It gives special emphasis to applications and examples, especially from algebra. It starts with a crash course in set theory and infinite cardinal numbers, and continues with the theory of Boolean algebras, ultraproducts, the back and forth method, algebraic and elementary diagrams, realizing and omitting types, quantifier elimination, applications thereof to algebraically closed and real closed fields, and finally describes theories with exactly one countable model (up to isomorphism).

Lecture Notes

Literatur

Chang, Keisler, Model theory, 3rd edition, North Holland, 1990.

Tent, Ziegler, A Course in Model Theory (Lecture Notes in Logic), Cambridge University Press, 2012.

Marker, Model Theory : An Introduction, Springer Graduate Texts in Mathematics 217, 2010. Here.

The course continues the one from last semester with group theory and field theory.

On StudIP you find regularly updated lecture notes.

Lectures

Tuesday and Thursday 10:00-12:00 (JUR) SR 059

Exercises by Daniel Yoon

Monday 10:00-12:00 (WIWI) SR 027

Literature

M. Artin, Algebra, Pearson, 2013 here
G. Fischer, Lehrbuch der Algebra, 2017 here
S. Bosch, Algebra, Springer, 2023 here

This is an advanced seminar joint with Tobias Kaiser. It offers research talks of the respective groups and their visitors. Advanced students who wish to deepen their knowledge in mathematical logic and/or complexity theory can give talks on jointly chosen and jointly elaborated topics.

Programme pdf

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Past semester

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