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       Boston University Geometry Seminar 
       
       
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 (Hebrew University, Jerusalem) Gerbes and the holomorphic Brauer group of complex tori  | 
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 (Brandeis) Twisted T-duality and Quantization.  | 
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 (Harvard) K3 surfaces and a Moonshine for Mathieu 24  | 
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 Oct. 8 3-4 pm in MCS 149 Tea 2:45-3 in MCS 153  | 
 (Harvard University) Universal Formulas for Counting Nodal Curves on Surfaces  | 
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 (Ohio State) A duality of etale gerbes.  | 
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 (Northeastern) Yangians and quantum loop algebras  | 
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 (Brandeis) Smooth four-manifolds, surgeries along tori, and exotica.  | 
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 (Brigham Young University) Moduli of Curves with W-structure, Mirror Symmetry, and the Landau-Ginzburg/Calabi-Yau correspondence  | 
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 Nov. 15 3-4 pm in MCS 135 Tea 2:45-3 in MCS 153  | 
 (King's College, London) Logarithms, torsion, and TQFT  | 
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 Nov. 22 3-4 pm in MCS 135 Tea 2:45-3 in MCS 153  | 
 (University of Oregon) Category O for symplectic resolutions  | 
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 ( CUNY ) Sheaves and K-theory for F_1 - schemes. 
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 | ( Cornell ) Hamiltonian torus actions on orbifolds.  |