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Please discuss. (lemmy.ml)

submitted 1 year ago by HiddenLayer5@lemmy.ml to c/memes@lemmy.ml

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[–] 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.

[–] 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?