Why Poisson kernel is significant in mathematics? Poisson kernel is ##P_r(\theta)=\frac{1-r^2}{1-2rcos\theta+r^2}##.(adsbygoogle = window.adsbygoogle || []).push({});

http://www.math.umn.edu/~olver/pd_/gf.pdf [Broken]

page 218, picture 6.15.

If we have some function for example ##e^x,sinx,cosx## what we get if we multiply that function with Poisson kernel? Thanks for the answer.

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# Poisson kernel

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