Mathematics
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Filippo
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question
13
Why do we write $P\ll Q$ and why is $P$ called absolutely continuous w.r.t. $Q$?
Jan 21
question
8
How do we know that the number $1$ is not equal to the number $-1$?
Jul 2, 2020
question
7
Spectral theorem/ exchanging limit of series and operator
Jul 29, 2019
question
7
The Universal Property of Tangent Spaces
Nov 29, 2020
question
6
Hodge star - Duality: Why is $\star{\star\alpha}=\pm\alpha$?
Jul 9, 2022
question
6
Why are two disjoint events defined to be independent if one has zero probability?
Feb 7
question
6
"The curvature of $\nabla=\mathrm d+\omega$ equals $\mathrm{d}\omega+\omega\wedge\omega$"
Apr 2
question
5
How do we know that mathematics is independent of the definition of the cartesian product?
Jun 23, 2022
answer
5
The Universal Property of Tangent Spaces
Dec 5, 2020
question
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, 2020
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Closure of a question about terminology
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Do all Noether theorems have a common mathematical structure?
10
Why is absolute time considered an axiom of Newtonian mechanics? What statements are based on this axiom?
10
If the contraction of some quantity is a tensor, is that quantity a tensor?
9
Spectral decomposition vs Taylor Expansion
8
Two different versions of Schrödinger's equation - are they equivalent?

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