Monday | Wednesday | Friday |
---|---|---|

Sept. 14
Algebra Seminar Speaker: - Jeff Achter, Colorado State University and Penn
Title: - Reduction of simple abelian varieties
Video of the talk Downloadable version of the video | Sept. 16
Galois Seminar Speaker: - Rachel Pries, Colorado State University and Penn
Title: - Alternating group covers of the affine line and Abhyankar's Inertia Conjecture
Video of the talk Downloadable version of the video | Sept. 18
No Seminar |

Sept. 21
Algebra Seminar Speaker: - Rachel Pries, Colorado State University and Penn
Title: - Boundary of the p-rank strata of the moduli space of hyperelliptic curves
Video of the talk Downloadable version of the video | Sept. 23
Galois Seminar Speaker: - Hilaf Hasson, University of Pennsylvania
Title: - The fundamental group of affine curves in positive characteristic
No video is available for this talk. | Sept. 25
No seminar |

Sept. 28
Algebra Seminar Speaker: - Shin-Yao Jow, University of Pennsylvania
Title: - Okounkov body: a new tool for studying volumes of big divisors
Video of the talk Downloadable version of the video | Sept. 30
Galois Seminar Speaker: - Lourdes Juan, Texas Tech and Penn
Title: - Differential Galois extensions with specified Galois group
Video of the talk Downloadable version of the video | Oct. 2
Algebra Seminar Speaker: - Robert Guralnick, University of Southern California
Title: - Presentations and Cohomology
No video is available for this talk. |

Oct. 5
No seminar | Oct. 7
Galois Seminar Speaker: - Frans Oort, Utrecht University
Title: - Some questions in arithmetic geometry
Video of the talk Downloadable version of the video | Oct. 9
Algebra Seminar Speaker: - Frans Oort, Utrecht University
Title: - Some questions in arithmetic geometry (continued)
Video of the talk Downloadable version of the video |

Oct. 12
Algebra Seminar Speaker: - Jeff Achter, Colorado State University
Title: - Generic curves of given p-rank
Video of the talk Downloadable version of the video | Oct. 14
Galois Seminar: - No seminar
| Oct. 16
No Seminar |

Oct. 19
Algebra Seminar: - No seminar, fall break
| Oct. 21
Galois Seminar: - No seminar
| Oct. 23
No Seminar |

Oct. 26
Algebra Seminar Speaker: - Daniel Murfet, University of Bonn
Title: - Duality in singularity categories and the Kapustin-Li formula
No Video of the talk is available | Oct. 28
Galois Seminar Speaker: - Adam Topaz, University of Pennsylvania
Title: - Quotients of Galois groups and Galois Cohomology
No Video of the talk is available; see the continuation on Nov. 4. | Oct. 30
No Seminar |

Nov. 2
Algebra Seminar Speaker: - David Saltman, Cener for Communication Research, IDA and Univ. Texas at Austin
Title: - Ramification in Bad Characteristics
Video of the talk Downloadable version of the video | Nov. 4
Galois Seminar Speaker: - Adam Topaz, University of Pennsylvania
Title: - Quotients of Galois groups and Galois Cohomology (continued)
Video of the talk Downloadable version of the video | Nov. 6
No Seminar |

Nov. 9
Algebra Seminar Speaker: - Lenny Taelman, University of Leiden and Penn
Title: - The Carlitz module and units for function fields
No video is available of this talk | Nov. 11
Galois Seminar Speaker: - Lourdes Juan, Texas Tech and Penn
Title: - Differential Galois extensions with specified Galois group (cont'd)
Video of the talk Downloadable version of the video | Nov. 13
No Seminar |

Nov. 16
Algebra Seminar Speaker: - Ted Chinburg, Penn
Title: - Determining number fields and their invariants from zeta functions
Video of the talk Downloadable version of the video | Nov. 18
Galois Seminar Speaker: - Lenny Taelman, Univ. of Leiden and Penn
Title: - Tannakian aspects of motives and t-motives
Video of the talk Downloadable version of the video | Nov. 20
No Seminar |

Nov. 23
Algebra Seminar Speaker: - David Harbater, Penn
Title: - Patching and local-global principles for group actions
Video of the talk Downloadable version of the video | Nov. 25
No seminar! | Nov. 27
No Seminar! |

Nov. 30
Algebra Seminar Speaker: - E. Kowalski, ETH and IAS
Title: - What do torsion fields know?
Video of the talk Downloadable version of the video | Dec. 2
Galois seminar speaker: - Postponed until Dec. 7
| Dec. 4
No Seminar! |

Dec. 7
Galois seminar speaker: - Speaker: Lourdes Juan, Texas Tech U. and Penn
Title: - Differential Central Simple Algebras and Picard-Vessiot Representations
Video of the talk Downloadable version of the video | Dec. 4
No Seminar! | Dec. 9
No Seminar! |

Last updated: 12//11/09

Send e-mail comments to: ted@math.upenn.edu