Perforation

The portion of a surface left when an open disk is removed from it.

See also

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References

Francis, G. K. and Weeks, J. R. "Conway's ZIP Proof." Amer. Math. Monthly 106, 393-399, 1999.

Referenced on Wolfram|Alpha

Cite this as:

Weisstein, Eric W. "Perforation." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Perforation.html

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