# Algebraic Geometry Seminar Fall 2015: Difference between revisions

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|[https://math.wisc.edu/~maxim/ Laurentiu Maxim] (Madison) | |[https://math.wisc.edu/~maxim/ Laurentiu Maxim] (Madison) | ||

|TBA | |TBA | ||

| | |local | ||

|- | |- | ||

|October 23 | |October 23 |

## Revision as of 22:18, 30 August 2015

The seminar meets on Fridays at 2:25 pm in Van Vleck B135.

The schedule for the previous semester is here.

## Algebraic Geometry Mailing List

- Please join the AGS Mailing List to hear about upcoming seminars, lunches, and other algebraic geometry events in the department (it is possible you must be on a math department computer to use this link).

## Fall 2015 Schedule

date | speaker | title | host(s) |
---|---|---|---|

September 18 | Eric Riedl (UIC) | TBA | Jordan |

September 25 | David Zureick-Brown (Emory) | TBA | Jordan |

October 2 | Vasily Dolgushev (Temple) | A manifestation of the Grothendieck-Teichmueller group in geometry | Andrei |

October 9 | Laurentiu Maxim (Madison) | TBA | local |

October 23 | Jesse Kass (South Carolina) | TBA | Melanie |

November 13 | Jake Levinson (Michigan) | TBA | Daniel |

## Abstracts

### Jess Kass

TBA

TBA

### Vasily Dolgushev

A manifestation of the Grothendieck-Teichmueller group in geometry

Inspired by Grothendieck’s lego-game, Vladimir Drinfeld introduced, in 1990, the Grothendieck-Teichmueller group GRT. This group has interesting links to the absolute Galois group of rationals, moduli of algebraic curves, solutions of the Kashiwara-Vergne problem, and theory of motives. My talk will be devoted to the manifestation of GRT in the extended moduli of algebraic varieties, which was conjectured by Maxim Kontsevich in 1999. My talk is partially based on the joint paper with Chris Rogers and Thomas Willwacher: http://arxiv.org/abs/1211.4230.