Here is a very nice explanation of Noether’s theorem.
I had heard of Emmy Noether before, because we covered Noether’s theorem in my Physics degree. But I hadn’t realised about all the other mathematical contributions she had made. (Additionally, I’ve recently learned how to pronounce “Noether”. In my head it will probably always be “Noy-ther”, as the lecturer pronounced it all those years ago, but now I say “Nur-tuh”)
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