Mathematics
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Gabrielek
  • Member for 2 years, 10 months
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  • Italy
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Quando cerchi di fare una battuta sulla topologia discreta, ma è troppo fine e rischi che nessuno la capirebbe -

when you try to make a joke about discrete topology, but it's to fine and risk that nobody understand -

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All Questions Answers
Score Newest
question
6
Problem in the theory of finding the unique solution of $-u'' = \delta_0$ and $-u'' + cu= \delta_0$
Jan 26, 2021
question
5
Poiseuille flow: can I avoid the simplification that $u=u(y)$?
Mar 25, 2021
question
4
How to solve explicitly the Dirichlet problem (in dimension 2) with boundary data $f(e^{i\theta}) := ( \sin(\theta) - \cos(2\theta))^2$
Jan 13, 2021
answer
4
example for calculation of the exterior derivative
Jan 22, 2020
answer
4
Prove Cauchy's inequality: $(\sum_{i=1}^n a_i b_i)^2 \le \sum_{i=1}^n a_i^2 \sum_{i=1}^n b_i^2.$
Jan 6, 2021
answer
3
Trick/Fake proof of 2x2=5 ; algebraic form
Feb 3, 2021
answer
3
When can I say that $A=\text{cover of A}$?
Sep 8, 2019
question
3
Suppose $f,g$ are two absolutely continous functions in an interval $[a,b]$. Show $fg \in AC[a,b]$.
Jan 28, 2021
question
3
A different music "shuffle" feature
Feb 11, 2021
question
2
Show that $H(x) := |x|^{-1} u(x/|x|^2) $ is harmonic if $u$ is harmonic
Jan 6, 2021

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