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Bridge NumberThe least number of unknotted arcs lying above the plane in any projection. The knot 05-002has bridge number 2. Such knots are called 2-Bridge Knots. There is a one-to-one correspondence between2-Bridge Knots and rational knots. The knot 08-010is a 3-bridge knot. A knot with bridgenumber is an -Embeddable Knot where . See also Bridge Index References
Adams, C. C. The Knot Book: An Elementary Introduction to the Mathematical Theory of Knots. New York: W. H. Freeman, pp. 64-67, 1994.Rolfsen, D. Knots and Links. Wilmington, DE: Publish or Perish Press, p. 115, 1976.
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