Brauer-Manin obstructions for sections of the fundamental group
Duration: 1 hour 7 mins 36 secs
Share this media item:
Embed this media item:
Embed this media item:
About this item
Description: |
Stix, J (Heidelberg)
Thursday 27 August 2009, 11:00-12:00 |
---|
Created: | 2009-09-04 11:44 | ||
---|---|---|---|
Collection: | Non-Abelian Fundamental Groups in Arithmetic Geometry | ||
Publisher: | Isaac Newton Institute | ||
Copyright: | Stix, J (Heidelberg) | ||
Language: | eng (English) | ||
Credits: |
|
Abstract: | We introduce the notion of a Brauer-Manin obstruction for sections of the fundamental group extension of varieties over number fields. This obstruction is then shown in an example to yield a proof for the absence of sections. |
---|
Available Formats
Format | Quality | Bitrate | Size | |||
---|---|---|---|---|---|---|
MPEG-4 Video | 480x360 | 1.84 Mbits/sec | 932.97 MB | View | Download | |
WebM | 450x360 | 917.71 kbits/sec | 450.35 MB | View | Download | |
Flash Video | 480x360 | 806.06 kbits/sec | 398.70 MB | View | Download | |
iPod Video | 320x240 | 504.48 kbits/sec | 249.53 MB | View | Download | |
QuickTime | 480x360 | 506.75 kbits/sec | 250.65 MB | View | Download | |
MP3 | 44100 Hz | 125.0 kbits/sec | 61.63 MB | Listen | Download | |
Windows Media Video | 477.0 kbits/sec | 235.94 MB | View | Download | ||
Auto * | (Allows browser to choose a format it supports) |