The geometric analysis seminar is held on Tuesdays at 11am in 210 Deady Hall.

Winter Quarter, 2019

• February 19, Tom Needham (The Ohio State)

Fall Quarter, 2018

• October 2, Peter Gilkey (UO)
  Affine Killing Vector Fields
• October 9, Boris Botvinnik (UO)
  Positive scalar curvature metrics on manifolds with fibered singularities
• October 16, Micah Warren (UO)
• October 23, Guangbo Xu (Simons Center)
  Bershadsky-Cecotti-Ooguri-Vafa torsion of Landau-Ginzburg Models
  Abstract: In their seminal work in 1994, Bershadsky-Cecotti-Ooguri-Vafa introduced a particular Ray-Singer analytic torsion of Calabi-Yau manifolds which coincides with the genus one topological string partition function. They also proved a holomorphic anomaly formula for this torsion which is related to the variation of Hodge structure and the Weil-Petersson geometry of deformation spaces. In this joint work with Shu Shen and Jianqing Yu, we consider the similar object in Landau-Ginzburg models. We prove an index theorem for the associated Dirac operator and rigorously define the BCOV torsion. We also obtain a partial result towards proving a holomorphic anomaly formula.
• October 30, Xiangwen Zhang
• November 6, Bradley Burdick (UO)
• November 13, Bo GUAN

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