Have you ever sat in a math classroom and wondered, “When will I ever use this?” You might have asked yourself this question when you first encountered “imaginary” numbers, and with good reason: What ...
On donne une preuve simple que pour tout ensemble fini de nombres complexes A, la taille de l'ensemble de sommes A + A ou celle de l'ensemble de produits A · A est toujours grande. We give a simple ...
A century ago, the strange behavior of atoms and elementary particles led physicists to formulate a new theory of nature. That theory, quantum mechanics, found immediate success, proving its worth ...
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