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by mrkgnao
3683 days ago
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If I remember correctly, you could forget the "inverses" bit and define a group action with only the monoid corresponding to the group. So not all the "groupiness" is captured by actions. Also, Bill Thurston's beautiful "On Proof and Progress in Mathematics" [1] contains several ways to understand the derivative, in addition to it being a look into what a very distinguished mathematician thought of the nature of the mathematical pursuit. Pretty similar ideas, explored in depth. Edit: Apparently this is linked to in TFA :) [1]: https://arxiv.org/abs/math/9404236 |
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