this post was submitted on 11 Sep 2023
1050 points (97.2% liked)

Memes

45889 readers
1369 users here now

Rules:

  1. Be civil and nice.
  2. Try not to excessively repost, as a rule of thumb, wait at least 2 months to do it if you have to.

founded 5 years ago
MODERATORS
 
you are viewing a single comment's thread
view the rest of the comments
[โ€“] Shard@lemmy.world 12 points 1 year ago (1 children)

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

[โ€“] been_jamming@lemm.ee 1 points 1 year ago* (last edited 1 year ago)

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