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Results tagged with real-analysis
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user 38739
Real-valued functions of real variable, analytic properties of functions and sequences, limits, continuity, smoothness of these.
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A general inequality about spherical mean of a function
suppose $\overline u(r)=\frac{1}{\omega_{n-1}}\int_{S^{n-1}}u(r,w)dw,0<r<1,$ is the average of $u(r,w)$ on sphere $S^{n-1}$,where $(r,w)$ are the polar coordinates in $R^n$.
My question is whether ( …
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