Endomorphisms monoids of omega-categorical structures
- Date
- Apr 17, 2015
- Time
- 1:15 PM - 2:15 PM
- Speaker
- Michael Kompatscher
- Affiliation
- TU Wien
- Language
- en
- Main Topic
- Mathematik
- Other Topics
- Mathematik
- Host
- Jun.-Prof. Dr. Martin Schneider
- Description
- Two omega-categorical structures are bi-interpretable iff their automorphism groups are isomorphic as topological groups. For a lot of well-known omega-categorical structures this theorem still holds, if we ignore the topology. Is this true in general? The answer is no: In 1990 Evans and Hewitt constructed two omega-categorical structures with isomorphic, but not topologically isomorphic automorphism groups. In my talk I want to discuss their example and show that also the endomorphism monoids of the structures are isomorphic, but not topologically isomorphic.
- Links
Last modified: Apr 9, 2015, 5:34:00 PM
Location
TUD Willers-Bau (WIL C 115)Zellescher Weg12-1401069Dresden
- Homepage
- https://navigator.tu-dresden.de/etplan/wil/00
Organizer
TUD MathematikWillersbau, Zellescher Weg12-1401069Dresden
- Phone
- 49-351-463 33376
- Homepage
- http://tu-dresden.de/mathematik
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