Hiroshima University Topology-Geometry Seminar Information

Topology-Geometry Seminar is held on every Tuesday.
The talks are given mainly in Japanese.
Topology-Geometry Seminar 2015 starts on April 7, 2015.
Japanese version is here.

Speakers and Title of Talks

• Apr. 7, 2015:Andreas Arvanitoyeorgos （University of Patras, Greece）
  Progress on homogeneous Einstein manifolds


• Apr. 21, 2015:Kouichi Yasui (Hiroshima University)
  Exotic 4-manifolds and non-concordant knots with the same 0-surgery


• Apr. 22, 2015:Masatoshi Kitagawa (The University of Tokyo)
  On properties of branching laws for holomorphic discrete series representation depending only on the complexification of a subgroup


• Apr. 24, 2015:Shinpei Baba （MSRI）
  Complex projective structures on surfaces, and PSL(2, C)-character varieties


• Apr. 28, 2015:Ken'ichi Yoshida （The University of Tokyo）
  Stable presentation length of 3-manifold groups


• Apr. 30, 2015:Ryosuke Nakahama （The University of Tokyo）
  Norm computation and analytic continuation of vector valued holomorphic discrete series representations


• May 12, 2015:Masato Mimura (Tohoku University)
  The space of marked groups and metric Kazhdan constant


• May 19, 2015:Kazuyuki Hasegawa (Kanazawa University)
  Twistor holomorphic affine surfaces and projective invariants


• May 22, 2015:Nigel Higson (Pennsylvania State University)
  The Oka principle: commutative and noncommutative


• Jun 9, 2015:Masakazu Teragaito (Hiroshima University)
  Generalized torsion elements in the knot groups of twist knots


• July 7, 2015 (13:00-14:30):Yuri Nikolayevsky (La Trobe University, Australia)
  Title 1: Solvable Lie groups of negative Ricci curvature
  Title 2: Totally geodesic hypersurfaces of homogeneous spaces


• July 7, 2015 (15:00-16:30):Kouki Sato (Tokyo Institute of Technology)
  Characteristic homology class of knots in 4-manifolds


• July 21, 2015 (15:00-16:30):Eiko Kin (Osaka University)
  The asymptotic behavior of the minimal pseudo-Anosov dilatations in the hyperelliptic handlebody groups


• July 28, 2015 (15:00-16:30):
  Yoshitaka Ishihara (Hiroshima University)
  Flat connected finite quandles
  
  Shunsuke Aimi (Hiroshima University)
  Twisted Alexander invariants of some finite type Artin groups
  
  Kentaro Kimura (Hiroshima University)
  The classification of totally geodesic submanifolds in symmetric spaces of type AI
  
  Takuya Katayama (Hiroshima University)
  RAAGs in knot groups
  


• Aug. 4, 2015 (13:00-14:30):Liang Chen (Northeast Normal University）
  Legendrian dualities and their applications


• Aug. 4, 2015 (15:00-16:30):Toru Kajigaya (Osaka City University)
  On the Hamiltonian minimal Lagrangian submanifolds in Kahler manifolds


• Oct. 6, 2015 (15:00-16:30):Kenta Hayano (Hokkaido University)
  Multisections of Lefschetz fibrations and topology of symplectic 4-manifolds


• Oct. 20, 2015 (15:00-16:30):Hidetoshi Masai (The University of Tokyo)
  Closed random mapping tori are asymmetric


• Nov. 10, 2015 (15:00-16:30):Susumu Hirose (Tokyo University of Science)
  On a finite presentation of a hyperelliptic handlebody group


• Nov. 17, 2015 (15:00-16:30):Hiroshi Sawai (National Institute of Technology, Numazu College)
  Vaisman structures on compact solvmanifolds


• Nov. 24, 2015 (15:00-16:30):Nobuhiko Otoba (Keio University)
  Metrics of constant scalar curvature on sphere bundles


• Nov. 27, 2015 (15:00-16:30):Yoshiyuki Yokota (Tokyo Metropolitan University)
  On the cusp shape of hyperbolic knots and its generalizations


• Dec. 8, 2015 (15:00-16:30):Alex Degtyarev (Bilkent University)
  Slopes of colored links


• Dec. 22, 2015 (15:00-16:30):Ayato Mitsuishi (Tohoku University)
  Good coverings of Alexandrov spaces


• Jan. 12, 2016 (15:00-16:30):Takumi Yamada (Shimane University)
  Hodge numbers and invariant complex structures on compact nilmanifolds


• Jan. 22, 2016 (15:00-16:30):Toshihiro Nakanishi (Shimane University)
  Traces Functions on a Teichmüller Space and a Rational Representation of Mapping Class Group

The seminars held in the past (academic) years

• '97
• '98
• '99
• 2000
• 2001
• 2002
• 2003
• 2004
• 2005
• 2006
• 2007
• 2008
• 2009
• 2010
• 2011
• 2012
• 2013
• 2014

Topology group