Mean value property for nonharmonic functions
Mean value property for nonharmonic functions
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非调和函数的平均值性质
DOI:
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发表时间:
2013
期刊:
影响因子:
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通讯作者:
O. Karpenkov
中科院分区:
文献类型:
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作者:
T. Boiko;O. Karpenkov
In this article we extend the mean value property for harmonic functions to the nonharmonic case. In order to get the value of the function at the center of a sphere one should integrate a certain Laplace operator power series over the sphere. We write explicitly such series in the Euclidean case and in the case of infinite homogeneous trees.