A blog for enthusiastic math-lovers!

Knot Necklace

Knot theory is the study of mathematical objects called knots that behave like 3D or 2D closed circular paths. Knot theory has many fascinating problems that can be easy to state, but that can become relatively complex to solve. Try looking at this example: it is a knot on a necklace that I found a few days ago.

Can you turn this knot into an “unknot”, or a circle, without cutting or puncturing the knot in any way?

Knot necklace


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