Dan Piker
@danpiker.bsky.social
There's also an extended edition arxiv.org/abs/1211.3680
Ahlfors circle maps and total reality: from Riemann to Rohlin
This is a prejudiced survey on the Ahlfors (extremal) function and the weaker {\it circle maps} (Garabedian-Schiffer's translation of "Kreisabbildung"), i.e. those (branched) maps effecting the confor...
arxiv.org
June 5, 2025 at 10:40 PM
There's also an extended edition arxiv.org/abs/1211.3680
I guess the crow took a scenic route
May 26, 2025 at 8:53 AM
I guess the crow took a scenic route
The talk was part of this series illustratingmath.org/node/42 and the recording will appear later on www.youtube.com/@Illustratin...
Seminar | Illustrating Mathematics
illustratingmath.org
April 12, 2025 at 12:30 PM
The talk was part of this series illustratingmath.org/node/42 and the recording will appear later on www.youtube.com/@Illustratin...
For anyone else curious what each one represents:
March 17, 2025 at 2:46 PM
For anyone else curious what each one represents:
This surface can be described as a diagonal on the hypersphere. See thread here for some explanation:
mathstodon.xyz/@Danpiker/11...
mathstodon.xyz/@Danpiker/11...
March 14, 2025 at 11:58 AM
This surface can be described as a diagonal on the hypersphere. See thread here for some explanation:
mathstodon.xyz/@Danpiker/11...
mathstodon.xyz/@Danpiker/11...
oof, that compression is grim. Same file on Mastodon for comparison mathstodon.xyz/@Danpiker/11...
Danpiker (@Danpiker@mathstodon.xyz)
Attached: 1 image
mathstodon.xyz
December 11, 2024 at 11:44 PM
oof, that compression is grim. Same file on Mastodon for comparison mathstodon.xyz/@Danpiker/11...
If you select the image icon, it lets you upload in gif format, and the preview shows it animated, but when you post it's just a still. If you select the filmstrip icon you can upload as gif, and it plays when posted (though still as a compressed video not actually gif)
November 30, 2024 at 3:54 PM
If you select the image icon, it lets you upload in gif format, and the preview shows it animated, but when you post it's just a still. If you select the filmstrip icon you can upload as gif, and it plays when posted (though still as a compressed video not actually gif)
Here's the same uploaded as mp4 at 30fps
November 30, 2024 at 3:36 PM
Here's the same uploaded as mp4 at 30fps
nope, still stutters in the app. Plays smoothly on mobile browser though.
November 30, 2024 at 3:28 PM
nope, still stutters in the app. Plays smoothly on mobile browser though.
Testing out the new gif upload option here.
It appears they still actually get converted to mp4, but with different compression to if you upload as mp4 (twitter was similar). This was uploaded as a 50fps gif. It loops smoothly when viewed on desktop, but stutters on the android app :(
It appears they still actually get converted to mp4, but with different compression to if you upload as mp4 (twitter was similar). This was uploaded as a 50fps gif. It loops smoothly when viewed on desktop, but stutters on the android app :(
November 30, 2024 at 3:21 PM
Testing out the new gif upload option here.
It appears they still actually get converted to mp4, but with different compression to if you upload as mp4 (twitter was similar). This was uploaded as a 50fps gif. It loops smoothly when viewed on desktop, but stutters on the android app :(
It appears they still actually get converted to mp4, but with different compression to if you upload as mp4 (twitter was similar). This was uploaded as a 50fps gif. It loops smoothly when viewed on desktop, but stutters on the android app :(