闷热 发表于 2025-4-1 05:27:03

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aristocracy 发表于 2025-4-1 07:37:14

Silvio O. Funtowicz,Jerome R. Ravetzllowing.Let R be a classical domain,Γ its characteristic manifold,and △ the Laplace-Beltrami operator of R.If △.=0, . ∈ ..(R) is said to be harmonic.Suppose . stands for the harmonic function whose continuous boundary value is . on Г.Then in R,. is given by the following Poisson integral (see Ref.3):

Pudendal-Nerve 发表于 2025-4-1 13:30:28

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查看完整版本: Titlebook: Contemporary Geometry; J.-Q. Zhong Memorial Hung-Hsi Wu Book 1991 Plenum Press, New York 1991 Algebra.Invariant.Manifold.Variable.Volume.ca