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Forschungsseminar Geometrie und Topologie

 Summer Term 2014

 Prof. Dr. Holger Reich   -   Prof. Dr. Elmar Vogt    -   Prof. Dr. Günter M. Ziegler

  • Time and place:  Tuesday 14 -16 h,  SR Villa,  Arnimallee 2



  Guest talk:  
SR 031,  Arnimallee 7
11.03. 2-calibration on 3-manifolds and Dehn twists Yoshihiko Mitsumatsu
(Chuo Univ., Tokyo)
  Guest talk:    
Topological spherical space forms Ian Hambleton 
(McMaster University) 
  Guest talk:    
20.05. Finite group actions and chain complexes over the orbit category  Ian Hambleton
(McMaster University) 


The symplectic representation of the mapping class group Daniel Lütgehetmann
Monday  at 2 p.m., room 210, A3 (instead of June 3rd)  


The Torelli group and its abelianization Peter Patzt
at 10 a.m., room 031, A7 
Geometry of surfaces
(instead of June 10th) 
Peter Patzt


Weil-Petersson metric on Teichmüller spaces Daniel Lütgehetmann


Bers' proof of the classification of surface automorphisms I Anton Günzler
[B78], [FM11,13]


Bers' proof of the classification of surface automorphisms II Sebastian Meinert
[B78], [FM11,13] 


[B78]  Bers, L.: An extremal problem for quasiconformal mappings and a theorem by Thurston; Acta Math. 141, 73-98 (1978)
[FM11]  Farb, B. and Margalit, D.: A primer on mapping class groups; Princeton Mathematical Series (2011)
[I87]  Ivanov, N.V.: Projective structures, flat bundles, and Kähler metrics on moduli spaces; Math. USSR, Sb. 61, No.1, 211-224 (1988); translation from Mat. Sb., Nov. Ser. 133(175), No.2, 208-222 (1987).
[J83]  Johnson, D.: A survey of the Torelli group; Contemp. Math. 20, 165-179 (1983)