Emmy Noether was one of the greatest mathematicians of the 20th Century and the greatest algebraist (except, maybe, Andrew Wiles?). She revolutionised the approach to her field and, entirely by accident, proved a connection between symmetry laws and conservation laws which has profound consequences ...
Every now and then, I run into a historical fact I'm astonished I didn't already know. Yesterday, while reading Penrose's The Road to Reality, I came across Noether's Theorem, which, roughly, says that every symmetry of a physical system corresponds to a conservation law.Well, here's the odd thing. ...
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