Seminar: Model theory working group

Summer 2019

Time/Date:
Starting Winter Semester 2019 -- 2020, we will normally meet on Mondays 14:30 - 16:00 in room 25.22. 01.81.
Content:
Various topics related to model theory are discussed, including interactions with algebra, geometry and logic.
Organizers:
Prof. Immanuel Halupczok and Dr. David Bradley-Williams.

Summer 2019

The regular programme for summer 2019 is Applications of Model Theory to Partial Differential Equations.

Winter 2018/2019

Talks

Date Speaker Title
Friday 16.11.18
Guest lecture
Time: 14:30
Room: 25.22.00.72
Jakub Gismatullin
(Wrocław and HIM, Bonn)
Metric ultraproducts of groups
Tuesday 27.11.18
Guest lecture
Time: 14:30
Room change: 5H
Georges Comte
(Chambéry)
An explicit class of functions stable under Fourier transform and integration.
Monday 17.12.18
Guest lecture
Time: 14:30
Room: 25.22.03.73
Aleksandra Kwiatkowska
(Münster)
Kechris-Pestov-Todorcevic correspondence and its application to homeomorphism groups of dense trees. Abstract
Tuesday 8.1.19
Guest lecture
Time: 14:30
Room: 25.22.00.72
Oliver Lorscheid
(IMPA, Rio de Janeiro)
Descartes' rule of signs, Newton polygons, and polynomials over hyperfields
Tuesday 15.1.19
Guest lecture
Time: 14:30
Room: 25.22.00.72
Peter Arndt
(Düsseldorf)
A crash course on Topos theory
Monday 11.2.19
Guest lecture
Time: 16:30
Room: 25.22.03.73
Dmitry Sustretov
(Higher School of Economics, Moscow)
Geometry of Berkovich curves. Abstract
Tuesday 12.2.19
Guest lecture
Time: 14:30
Room: 25.22.00.72
Dmitry Sustretov
(Higher School of Economics, Moscow)
Gromov-Hausdorff limits of curves with flat metrics and non-Archimedean geometry
Tuesday 19.2.19
Guest lecture
Time: 14:30
Room: 25.22.00.72
Pablo Cubides

Definable subsets of Berkovich curves
Topic: A few talks on Theories with the NIP
Tuesday 16.10.18
Room: 25.22.00.72
David Bradley-Williams Introduction to the NIP
Friday 26.10.18
14:30 - 16:00
Room: 25.22.00.72
Florian Severin More about NIP
Tuesday 6.11.18
Room: 25.22.00.72
Hamed Khalilian Type space and its topology
Tuesday 20.11.18
Room: 25.22.00.72
Immanuel Halupczok Some more details about a proof
Tuesday 11.12.18
Room: 25.22.00.72
David Definable groups in NIP / invariant measures
Topic: Pseudofinite structures, potentially ACFA and geometry over difference fields
Tuesday 15.1.19
Room: 25.22.00.72
Immi Overview of pseudofinite fields
Tuesday 28.1.19
Room: 25.22.00.72
Hamed Khalilian Introduction to the model theory of difference fields

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