Mathematicians Of The Day

11th January



On this day in 1787, William Herschel discovered the first two moon of Uranus: Titania and Oberon. In fact he discovered Oberon before spotting Titania.

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Quotation of the day

From Michael Atiyah
But for most practical purposes, you just use the classical groups. The exceptional Lie groups are just there to show you that the theory is a bit bigger; it is pretty rare that they ever turn up.