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the no-normie zone
no normies allowed
2584d ago – Anonymous
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Balarka Sen
Aug 30, 2017 21:08
Consider $f : \Bbb R^2 \to \Bbb R$, given by $f(x, y) = xy \cdot (x^2 - y^2)/(x^2 + y^2)$ when $(x, y) \neq (0, 0)$ and $f(0, 0) = (0, 0)$.
Anonymous
Aug 6, 2017 14:53
Like that what are the unitary elements which act like the building blocks of C(R)?
