# Jacob's ladder surface

In mathematics, **Jacob's ladder** is a surface with infinite genus and two ends. It was named after Jacob's ladder by Étienne Ghys (1995, Théorème A), because the surface can be constructed as the boundary of a ladder that is infinitely long in both directions.

## See also

## References

- Ghys, Étienne (1995), "Topologie des feuilles génériques",
*Annals of Mathematics. Second Series*,**141**(2): 387–422, doi:10.2307/2118526, ISSN 0003-486X, MR 1324140 - Walczak, Paweł (2004),
*Dynamics of foliations, groups and pseudogroups*, Instytut Matematyczny Polskiej Akademii Nauk. Monografie Matematyczne (New Series) [Mathematics Institute of the Polish Academy of Sciences. Mathematical Monographs (New Series)],**64**, Birkhäuser Verlag, ISBN 978-3-7643-7091-6, MR 2056374

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