Advanced Seminar on Group Theory

Lehrstuhl für Algebra und Zahlentheorie

Winter semester 2025/26

Where & When:
The usual time is Tuesday 10:30 - 12:00 in seminar room 03.73.
Content:
Advanced topics in and around group theory are discussed in form of a reading course.
Organizers:
Prof. Dr. Benjamin Klopsch & Daniel Echtler & Doris Grothusmann

Profinite rigidity

The topic this semester is 'profinite rigidity', a buzz term for studying an infinite group by means of its finite quotients.The seminar will be organized as a reading course, with interspersed talks. The detailed programm will follow soon, where our main references are listed below.

References for the reading course:

  1. M. Bridson, Chasing finite shadows of infinite groups through geometry, 2024. link
  2. G. Sabbagh and J. Wilson, Polycyclic groups, finite images, and elementary equivalence, 1991. link
Tue 14.10.25
Seminar room 03.73
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Tue 21.10.25
Seminar room 03.73
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Tue 28.10.25
Seminar room 03.73
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Tue 04.11.25
Seminar room 03.73
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Tue 11.11.25
Seminar room 03.73
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Tue 18.11.25
Seminar room 03.73
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Tue 25.11.25
Seminar room 03.73
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Tue 02.12.25
Seminar room 03.73
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Tue 09.12.25
Seminar room 03.73
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Tue 16.12.25
Seminar room 03.73
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Tue 06.01.26
Seminar room 03.73
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Tue 13.01.26
Seminar room 03.73
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Tue 20.01.26
Seminar room 03.73
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Tue 27.01.26
Seminar room 03.73
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Tue 03.02.26
Seminar room 03.73
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