Shard comments on Please discuss.

submitted 2 years ago by HiddenLayer5@lemmy.ml to c/memes@lemmy.ml

you are viewing a single comment's thread
view the rest of the comments

[–] Shard@lemmy.world 12 points 2 years ago (1 child)

Technical definition is a 3-Torus sandwich, defined as any sandwich that is homeomorphic to the Cartesian product of three circles.

[–] been_jamming@lemm.ee 1 point 2 years ago*

Isn't it S_1 x S_1 x [0, 1] here though?

parent

lemmy:	0.19.20
mlmym (mschae):	26.3.4