Manifolds and cell complexes Knot theory Concept
Bridge number
Summary
The bridge number of a knot is the least number of local maxima of the height on the knot. The least is taken over all positions of the knot in space. It is a knot invariant introduced by Horst Schubert. Knots with bridge number , the two-bridge knots, form a well-understood family that is classified completely.
Further reading
About this page
| Tag | G44YY10VC4 |
|---|---|
| URI | m2://G44YY10VC4 |
| Kind | concept |
| Writing | W0 stub |
| MSC | 57K10 |
| Specializes | Knot invariant |
| Same as | |
| Changed | 2 November 2026 |
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