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  • 0 posts edited
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  • 21 votes cast
Apr
29
accepted about order of entire function
Apr
29
asked about order of entire function
Mar
31
awarded  Nice Question
Mar
30
awarded  Yearling
Dec
19
awarded  Yearling
Dec
19
asked the quantile to quantile plot for the discrete law
Jul
2
awarded  Curious
Dec
7
comment calculate double integral on quadrangle domain by changing of variables
I know you divide domain to small domains. But I want to calculate double integral which not need to divide. How can you do it?, or we have no any way to do it.
Dec
7
asked calculate double integral on quadrangle domain by changing of variables
Oct
23
awarded  Tumbleweed
Oct
16
asked frechet differentiable implies uniformly continuous/ absolutely continuous?
Oct
8
comment continuous implies frechet differentiable?
let $f(x)=|x|$ then $f$ is continuous at $0$, but not differentiable. Ok
Oct
7
asked continuous implies frechet differentiable?
Oct
5
accepted show that function is convex
Oct
5
comment show that function is convex
what happen if we define $+\infty -\infty =+\infty$
Oct
5
comment show that function is convex
define $+\infty -\infty =0$
Oct
5
asked show that function is convex
Aug
22
comment Property of $W_0^{1,p}(\Omega)$
Because $W_{0}^{1,p}\left(\Omega\right)=\overline{C_{0}^{\infty}\left(\Omega\right)}$ so we have $u_k \in C_{0}^{\infty}\left(\Omega\right)$ and $u_k$ converge to $u$ in $W^{1,p}\left(\Omega\right)$. But why $|u_k|$ has compact support. I don't understand "compact support". Can you explain more?
Aug
21
asked Property of $W_0^{1,p}(\Omega)$
Jun
22
comment separation of quotient space
Can you give me a proof or material that I can read?