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Giuseppe Di Fazio's user avatar
Giuseppe Di Fazio's user avatar
Giuseppe Di Fazio's user avatar
Giuseppe Di Fazio
  • Member for 10 years, 8 months
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General version of Weyl's lemma
Yes, for smooth coefficients your statement is true.
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On the fundamental solution for elliptic PDE
I checked for the explicit expression of the Green function in the case of Laplace operator in the ball centered at the origin having radius R. I found the explicit expression at page 20 of Gilbarg-Trudinger. The number R is present so I believe the constant does depend on R.
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Optimal $L_p$-estimate for elliptic operator
Could you give a reference of the paper in which the problem has been solved for the operator \Delta?
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Optimal $L_p$-estimate for elliptic operator
Iif you are still in trouble feel free to ask