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99-year-old mathematician solves decades-old problem

Joan Birman, an American mathematician, solved a complex mathematical problem.

Published 6sem1 sourceNotable
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The fact

With two colleagues, she proved a long-standing enigma related to knots and braids.

This result marks a major breakthrough in mathematics.

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Why it matters

Cette découverte illustre l'importance de la recherche mathématique et la persévérance des scientifiques, même à un âge avancé.

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