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Dyck's Theorem -- from Wolfram MathWorld

  • ️Weisstein, Eric W.
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Handles and cross-handles are equivalent in the presence of a cross-cap.

See also

Cross-Cap, Cross-Handle, Handle, von Dyck's Theorem

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References

Dyck, W. "Beiträge zur Analysis situs I." Math. Ann. 32, 459-512, 1888.Francis, G. K. and Weeks, J. R. "Conway's ZIP Proof." Amer. Math. Monthly 106, 393-399, 1999.

Referenced on Wolfram|Alpha

Dyck's Theorem

Cite this as:

Weisstein, Eric W. "Dyck's Theorem." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/DycksTheorem.html

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