Obstructions to homotopy sections of curves over number fields

When publicising your media, use the public site's address.
 https://sms.cam.ac.uk/media/652720

Available formats

The following formats have been successfully transcoded and are available for viewing.

mpeg4
   20 views
MPEG-4 Video (360p quality for download)   -   download
File size: 931.82 MB
Width: 480, Height: 360
Duration: 1 hour 7 mins 31 secs
Frame rate: 25.0 fps, Sample rate: 44100 Hz
Average bitrate: 1.84 Mbits/sec
webm
   6 views
WebM (360p quality for download)   -   download
File size: 413.28 MB
Width: 450, Height: 360
Duration: 1 hour 7 mins
Frame rate: 25.0 fps, Sample rate: 44100 Hz
Average bitrate: 842.19 kbits/sec
flv
   152 views
Flash Video (high quality for streaming)   -   download
File size: 398.40 MB
Width: 480, Height: 360
Duration: 1 hour 7 mins 27 secs
Frame rate: 15.0 fps, Sample rate: 44100 Hz
Average bitrate: 806.44 kbits/sec
ipod
   10 views
iPod Video (high quality for download)   -   download
File size: 249.23 MB
Width: 320, Height: 240
Duration: 1 hour 7 mins 27 secs
Frame rate: 25.0 fps, Sample rate: 44100 Hz
Average bitrate: 504.49 kbits/sec
mov
   41 views
QuickTime (high quality for download)   -   download
File size: 250.37 MB
Width: 480, Height: 360
Duration: 1 hour 7 mins 27 secs
Frame rate: 25.0 fps, Sample rate: 44100 Hz
Average bitrate: 506.79 kbits/sec
mp3
   60 views
MP3 (high quality for download)   -   download
File size: 61.56 MB
Duration: 1 hour 7 mins 14 secs
Sample rate: 44100 Hz
Average bitrate: 125.0 kbits/sec
wmv
   30 views
Windows Media Video (high quality for download)   -   download
File size: 235.55 MB
Duration: 1 hour 7 mins 27 secs
Sample rate: 44100 Hz
Average bitrate: 476.81 kbits/sec

What Now ?