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To distinguish between fundamentally different objects, mathematicians turn to invariants that encode the objects’ essential features.
It took Lisa Piccirillo less than a week to answer a long-standing question about a strange knot discovered over half a century ago by the legendary John Conway.
The legendary mathematician, who died on April 11, was curious, colorful and one of the greatest problem-solvers of his generation.
Mathematicians have studied knots for centuries, but a new material is showing why some knots are better than others.
As chemists tie the most complicated molecular knot yet, biophysicists create a “periodic table” that describes what kinds of knots are possible.
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