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Prof. Dr. Ralf Köhl (geb. Gramlich)
Professur für Algebra
Mathematisches Institut Arndtstraße 2 35392 Gießen Raum 07
Tel.: 0641 99-32042 Fax: 0641 99-32049 Sekretariat: 0641 99-32041 Email: Ralf Köhl
Sprechstunde: nach Vereinbarung
Arbeitsgruppe: AlgebraResearch areas of interest:
- Geometry: Tits buildings, twin buildings
- Group theory: algebraic groups, Kac-Moody groups, S-arithmetic groups
Other mathematical interest:
- Bundeswettbewerb Mathematik: active since 1997
Current research:
- EPSRC project EP/H02283X/2: Unitary forms of Kac-Moody algebras and Kac-Moody groups
- DFG project GR 2077/7: Involutions of algebraic groups
- Kac-Moody groups over local fields (joint with Tobias Hartnick, Andreas Mars)
- Lattices in locally compact Kac-Moody groups (joint with Pierre-Emmanuelle Caprace and Bernhard Mühlherr)
- Finiteness properties of S-arithmetic groups (joint with Kai-Uwe Bux and Stefan Witzel)
PhD students:
- Amir Farahmand: Mostow rigidity in the Kac-Moody context
- David Ghatei: Integrability of representations of maximal compact subalgebras of Kac-Moody algebras
- Markus-Ludwig Wermer: Automorphisms of buildings and (affine) Deligne-Lusztig varieties
Undergraduate students
Bachelor
- Christoph Billeb: The Weierstrass factorization theorem
- Julius Grüning: Riemannian surfaces
- Anne Hukelmann: Generators and relations for SL(n,Z)
- Maria-Katharina Schenk: The Mathieu group M24
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22.05.2012 07:52
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