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Filippo

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 2 years, 10 months
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  • Last seen 16 mins ago

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8 How do we know that the number $1$ is not equal to the number $-1$? Jul 2 '20
7 Spectral theorem/ exchanging limit of series and operator Jul 29 '19
6 Is there a universal property of tangent space just like in the case of the tensor product? Nov 29 '20
6 How to tell if an image of a triangle has half its area shaded? Feb 3
5 Let $A_1,A_2\in L(V,V)$, $A_i(V)=V$ and $\dim\ker A_i=n_i\in\mathbf{N}$. Is $\dim\ker (A_2A_1)=n_1+n_2$ even if $\dim V=\infty$? Dec 17 '20
4 Does category theory provide a rigorous definition of the cartesian product? Dec 21 '20
4 Is there a universal property of tangent space just like in the case of the tensor product? Dec 5 '20
3 Tensor product vector bundle - bijection from vector valued functions to sections defined by local sections Apr 15
3 Definition of double covers Apr 17
2 Theorems that rely on the fact that the atlas of a smooth manifold is maximal/complete Jan 5
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