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Group theory

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[-]Adele Lopez9y*20

Shouldn't this be a child of Abstract Algebra?

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[-]Eric Rogstad9y*20

Would be cool to have an image of an example graph here.

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[-]Eric Rogstad9y*10

I got lost here -- I feel like I sort of know what "under permutation" means, but can't picture what it means in the context of solutions to polynomials. What exactly is being permuted?

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[-]Qiaochu_Yuan9y*30

This statement is just wrong. I will fix it. (The correct statement is that there's a group acting on the solutions called the Galois group; it's the solutions that are being permuted.)

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