fromwww.scientificamerican.com2 weeks agoScienceCan 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.com1 month agoScienceNew Knot Theory Discovery Overturns Long-Held Mathematical AssumptionA composite knot can have an unknotting number smaller than the sum of its components' unknotting numbers.
fromwww.scientificamerican.com1 month agoScienceNew Knot Theory Discovery Overturns Long-Held Mathematical Assumption