Publications Books   C.V. ( 2022) Math I've done Slides of Math Talks I gave unpublished math lecture(s) etc by colleagues recommended math books . classes taught.

Short Story / Essays I've written Beautiful web sites quotes I paddle. I love being on water:

N-body solutions animated subRiemannian Falling Cats Coin Flips (posted Oct 12, 2023 ) video. slides. audio. of or by me. Open Problem Lists Photos Teacher Circle Nonlinearity Collaborators Ph.D. Student Ph.D. student theses