*Date* |
*Speaker* | *Seminar* | *Title* |

Monday, January 14, 2013 Start: 4:00 PM
Location: 4088 East Hall * |
**Steffen Marcus**
*Utah* | Geometry & Physics | Computations and comparisons for double ramification classes on the moduli space of curves |

Monday, January 21, 2013 Start: 4:00 PM
Location: 4088 East Hall * |
**Tudor Dimofte**
*IAS* | Geometry & Physics | 3-Manifolds and 3d Gauge Theories |

Monday, January 28, 2013 Start: 4:00 PM
Location: 4088 East Hall * |
**Huazhong Ke**
*Tsinghua Univ/Michigan* | Geometry & Physics | Quantum McKay correspondence via gauged linear sigma model |

Monday, February 04, 2013 Start: 4:00 PM
Location: 4088 East Hall * |
**Zhengyu Zong**
*Columbia* | Geometry & Physics | The two-leg orbifold Gromov-Witten vertex |

Monday, February 11, 2013 Start: 4:00 PM
Location: 4088 East Hall * |
**Todor Milanov**
*IPMU* | Geometry & Physics | The local Eynard-Orantin recursion in Gromov--Witten theory |

Monday, February 18, 2013 Start: 4:00 PM
Location: 4088 East Hall * |
**Yongbin Ruan**
*UM* | Geometry & Physics | Gromov-Witten theory of quotient of quintic 3-fold |

Monday, February 25, 2013 Start: 4:00 PM
Location: 4088 East Hall * |
**Huai-Liang Chang**
*HKUST* | Geometry & Physics | On algebraic geometric construction of enumerative invariants |

Wednesday, February 27, 2013 Start: 4:00 PM
Location: 3088 East Hall * |
**Jun Li**
*Stanford* | Geometry & Physics | Categorification of DT invariants and GV numbers (Joint with Algebraic geometry seminar) |

Monday, March 11, 2013 Start: 4:00 PM
Location: 4088 East Hall * |
**Si Li**
*BU* | Geometry & Physics | Landau-Ginzburg B-model at higher genus |

Tuesday, March 12, 2013 Start: 2:00 PM
Location: Randall Lab 4404 * |
**Kentaro Hori**
*IPMU* | Geometry & Physics | D-brane (FRG Special Lectures) |

Thursday, March 14, 2013 Start: 2:00 PM
Location: Randall Lab 4404 * |
**Kentaro Hori**
*IPMU* | Geometry & Physics | D-brane (FRG Special Lectures) |

Monday, March 18, 2013 Start: 4:00 PM
Location: 4088 East Hall * |
**Simon Rose**
*Queens University* | Geometry & Physics | Counting Hyperelliptic curves in Abelian surfaces with Quasi-modular forms |

Tuesday, March 19, 2013 Start: 2:00 PM
Location: Randall Lab 4404 * |
**Kentaro Hori**
*IPMU* | Geometry & Physics | D-brane (FRG Special Lectures) |

Thursday, March 21, 2013 Start: 2:00 PM
Location: Randall Lab 4404 * |
**Kentaro Hori**
*IPMU* | Geometry & Physics | D-brane (FRG Special Lectures) |

Monday, March 25, 2013 Start: 4:00 PM
Location: 4088 East Hall * |
**Siu-Cheong Lau**
*Harvard* | Geometry & Physics | Open mirror theorem and crepant resolutions |

Tuesday, March 26, 2013 Start: 2:00 PM
Location: Randall Lab 4404 * |
**Kentaro Hori**
*IPMU* | Geometry & Physics | D-brane (FRG Special Lectures) |

Thursday, March 28, 2013 Start: 2:00 PM
Location: Randall Lab 4404 * |
**Kentaro Hori**
*IPMU* | Geometry & Physics | D-brane (FRG Special Lectures) |

Monday, April 08, 2013 Start: 4:00 PM
Location: 4088 East Hall * |
**Wenxuan Lu**
*Upenn* | Geometry & Physics | Stability Conditions and Mirror Symmetry of K3 Surfaces in Attractor Backgrounds |

Wednesday, April 17, 2013 Start: 4:00 PM
Location: 3088 East Hall * |
**Richard Thomas**
*Imperial College* | Geometry & Physics | See(Spring Lectures in Algebraic Geometry) |

Monday, May 20, 2013 Start: 4:00 PM
Location: 4088 East Hall * |
**Bohan Fang**
*Columbia University* | Geometry & Physics | Givental Formalism and Eynard-Orantin Recursion for the Orbifold Vertex |