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Technical definition is a 3-Torus sandwich, defined as any sandwich that is homeomorphic to the Cartesian product of three circles.
Isn't it S_1 x S_1 x [0, 1] here though?
125
comments
You're viewing a single thread.
Technical definition is a 3-Torus sandwich, defined as any sandwich that is homeomorphic to the Cartesian product of three circles.
Isn't it S_1 x S_1 x [0, 1] here though?