Does p matter in the p-obstacle problem?

Available formats

The following formats are available for viewing.

mpeg4
   80 views
MPEG-4 Video (360p quality for download)   -   download
File size: 807.63 MB
Width: 640, Height: 360
Duration: 56 mins 21 secs
Frame rate: 29.97 fps, Sample rate: 44100 Hz
Average bitrate: 1.91 Mbits/sec
webm
   1 view
WebM (360p quality for download)   -   download
File size: 293.61 MB
Width: 640, Height: 360
Duration: 56 mins 22 secs
Frame rate: 29.97 fps, Sample rate: 44100 Hz
Average bitrate: 711.18 kbits/sec
ipod
   0 views
iPod Video (high quality for download)   -   download
File size: 202.45 MB
Width: 480, Height: 270
Duration: 56 mins 21 secs
Frame rate: 29.97 fps, Sample rate: 44100 Hz
Average bitrate: 490.53 kbits/sec
mp3
   2 views
MP3 (high quality for download)   -   download
File size: 103.19 MB
Duration: 56 mins 24 secs
Sample rate: 44100 Hz
Average bitrate: 249.79 kbits/sec