Penn Algebra and Galois theory seminars

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