Mathematics
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Mr. Physor Mathly.

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All Questions Answers
Score Newest
question
17
Why isn't this a counterexample of Banach-Steinhaus theorem?
Nov 20, 2021
question
9
Another Smooth Structure on $\mathbb R$, clarification needed, John M. Lee
Sep 18, 2021
answer
8
Why is $\lim_{x \to \infty} x \log(1+\frac{1}{x}) = \lim_{y \to 0} \frac{\log(1+y)}{y}$?
Sep 2, 2020
answer
8
If whenever $|x-a|<\delta$, $|y-a|<\delta$ then $|f(x)-f(y)|<\epsilon$, is this equiv. to $f$ cont. at $c$ then $f$ cont. on some interval around $c$?
Jul 7, 2022
question
6
Is there a universal property for homogeneous maps $ \phi(ax,ay) = a^k\phi(x,y) $?
Oct 13, 2020
question
5
How far is this view correct on strengthening and weakening of the topologies of the domain and the codomain?
Dec 7, 2021
answer
5
Large Vector Notation
Dec 18, 2021
question
5
Possible definition of the cotangent space
Sep 19, 2021
answer
4
Solve $y’ = \frac{2-xy^3}{3x^2y^2}$ using Bernoulli form
Sep 2, 2020
answer
4
Calculate $\int_{\mathbb R^n}\frac{1}{(1+\|x\|_2^n)^2}dx$
Aug 1, 2022
Top network posts
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14
How do they measure quantum observables in general?
8
What is $\langle H \rangle$ in the infinite square well in the state $|\psi \rangle = | x_0 \rangle$, where $0 \le x_0 \le L$?
7
Do states with infinite average energy make sense?
7
Is it a limited numerical precision of Tikz or I don't understand the transformation?
6
Why doesn't this \foreach work?

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