Torus is Homeomorphic to Topological Product of Two Circles

Theorem

Let $\Bbb T$ be a torus.

Then $\Bbb T$ is homeomorphic to the topological product of two circles.

Proof

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Sources

• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): torus (anchor ring)
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): torus (anchor ring)