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fromwww.scientificamerican.com
2 weeks ago
Science

Can You Solve Math's Knottiest Puzzles?

Closed loops of string can be either unknots that deform into a simple circle or genuine knots that require mathematical distinction methods.
fromwww.scientificamerican.com
1 month ago
Science

New Knot Theory Discovery Overturns Long-Held Mathematical Assumption

A composite knot can have an unknotting number smaller than the sum of its components' unknotting numbers.
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