ligature 发表于 2025-3-28 18:06:33

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LAY 发表于 2025-3-28 21:41:54

Properties of Harmonic Functions,In this lecture we shall study the properties of harmonic functions, mostly in the plane, although some theorems will be proved in the n-dimensional case. We shall begin with the three-dimensional case.

领带 发表于 2025-3-29 01:21:15

The Double-Layer Potential,We have thus found the fundamental solution for the Laplacian in ℝ.:for n>2,., where ω. is the surface of the unit ) sphere in ℝ.; for n = 2, . for n=1, ..

insolence 发表于 2025-3-29 06:01:54

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吸引力 发表于 2025-3-29 07:21:34

Vladimir I. ArnoldA top textbook written by one of the most famous living mathematicians.Includes supplementary material:

Aggressive 发表于 2025-3-29 12:31:38

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大漩涡 发表于 2025-3-29 16:12:09

https://doi.org/10.1007/978-3-662-05441-3Boundary value problem; Potential; mathematical physics; partial differential equation; partial differen
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查看完整版本: Titlebook: Lectures on Partial Differential Equations; Vladimir I. Arnold Textbook 2004 Springer-Verlag Berlin Heidelberg 2004 Boundary value problem