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2
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Jun
23
accepted what's the idea behind Carleman estimate
Jun
23
comment what's the idea behind Carleman estimate
Dear Alan, here $D=\frac{1}{i}\frac{d}{dx}$
May
6
comment integration by parts for the fractional Laplacian
$(-\Delta)^{s}$ is positive if and only if $0<s\les 1$, and they generates positive heat semigroup $e^{-t(-\Delta)^{s}}$.
Apr
21
awarded  Yearling
Apr
20
answered Meromorphic Functions as Distributions
Apr
15
revised Nonintegrable inverse powers as distributions
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Apr
15
revised Nonintegrable inverse powers as distributions
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Apr
15
answered Nonintegrable inverse powers as distributions
Mar
19
accepted Fourier transform and spectrum of PDOs in $L^p$
Jan
31
comment Is there a good way to estimate the Fourier transform of $\frac{1}{\lambda-iP(\xi)}$
Dear Anatoly Kochubei, I couldn't get it through the internet, neither in my school library. Would you show me what the detailed reslult is? Thanks very much.
Jan
31
revised Is there a good way to estimate the Fourier transform of $\frac{1}{\lambda-iP(\xi)}$
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Jan
30
asked Is there a good way to estimate the Fourier transform of $\frac{1}{\lambda-iP(\xi)}$
Jan
24
comment Why is symplectic geometry so important in modern PDE ?
@David: Thanks very much
Jan
24
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