HARVARD/MIT ALGEBRAIC GEOMETRY SEMINAR: | Maksym Fedorchuk (Boston College): |
Standard models of low degree del Pezzo fibrations | on Tuesday, February 19, 2019, at 3:00 pm in MIT 2-147 |

DIFFERENTIAL GEOMETRY SEMINAR: | Valentino Tosatti (Northwestern University): |
Ricci-flat metrics and dynamics on K3 surfaces | on Tuesday, February 19, 2019, at 4:00 pm in Science Center 507 |

CMSA SPECIAL SEMINAR: | Feng Luo (Rutgers University): |
Volume and rigidity of hyperbolic polyhedral 3-manifolds | on Tuesday, February 19, 2019, at 10:30 - 11:15 am in CMSA, 20 Garden St, G02 |

CMSA SPECIAL SEMINAR: | Xu Xu (Wuhan University): |
Rigidity of sphere packing on triangulated 3-manifolds | on Tuesday, February 19, 2019, at 11:15 am - 12:00 pm in CMSA, 20 Garden St, G02 |

CMSA COLLOQUIUM: | Michael Woodford (Columbia University): |
Optimally Imprecise Memory and Biased Forecasts | on Wednesday, February 20, 2019, at 4:30 pm in CMSA, 20 Garden St, G10 |

COLLOQUIUM: | June Huh (Princeton University): |
Lorentzian polynomials | on Thursday, February 21, 2019, at 3:00 PM in Science Center 507 |

CMSA GENERAL RELATIVITY SEMINAR: | Hsin-Yu Chen (Black Hole Initiative): |
Measuring the Hubble Constant with Gravitational Waves | on Thursday, February 21, 2019, at 3:00 -4:00 PM in Sci Center 411 |

JOINT CMSA AND DEPARTMENT OF MATHEMATICS RANDOM MATRIX AND PROBABILITY THEORY SEMINAR: | Michael Loss (Georgia Tech): |
Some results for functionals of Aharonov-Bohm type | on Thursday, February 21, 2019, at 4:30 pm in CMSA, 20 Garden St, G10 |

SOCIAL SCIENCE APPLICATIONS FORUM: | Bobby Pakzad-Hurson (Brown University): |
Crowdsourcing and Optimal Market Design | on Friday, February 22, 2019, at 3:00 PM in CMSA Building, 20 Garden St, G02 |

GAUGE-TOPOLOGY-SYMPLECTIC SEMINAR: | John Baldwin (Boston College): |
Instanton L-space knots | on Friday, February 22, 2019, at 3:30 PM in Sci Center 507 |

OPEN NEIGHBORHOOD SEMINAR: | Joe Harris (Harvard University): |
Poncelet's theorem and the birth of modern algebraic geometry | on Monday, February 25, 2019, at 4:30 PM in Sci Center 507 |

COLLOQUIUM: | Melanie Wood (University of Wisconsin): |
Random groups from generators and relations, and unramified extensions of global fields | on Tuesday, February 26, 2019, at 3:00 pm in Science Center 507 |

BRANDEIS-HARVARD-MIT-NORTHEASTERN JOINT COLLOQUIUM: | Robert Lazarsfeld (Stony Brook): |
How irrational is an irrational variety? | on Thursday, February 28, 2019, at Tea at 4:00 pm; Talk at 4:30 pm in Science Center Hall A |

COLLOQUIUM: | Mihnea Popa (Northwestern University): |
D-modules in birational and complex geometry | on Monday, March 04, 2019, at 3:00 pm in Science Center 507 |

COLLOQUIUM: | Bhargav Bhatt (University of Michigan): |
Title: Interpolating p-adic cohomology theories | on Monday, March 11, 2019, at 3:00 PM in Science Center 507 |

COLLOQUIUM: | Christopher Hacon (University of Utah): |
On the geometry of Algebraic varieties | on Wednesday, April 03, 2019, at 3:00 pm in Science Center 507 |

CMSA SPECIAL LECTURE SERIES ON DERIVED ALGEBRAIC/DIFFERENTIAL GEOMETRY: TUESDAYS & THURSDAYS BEGINNING FEBRUARY 5, 2019: | Artan Sheshmani (CMSA): |
Lecture 4: Cotangent complexes | on Saturday, December 14, 2019, at 3:00 - 4:30 pm in CMSA Building, 20 Garden St, G10 |