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发表于 2025-3-28 17:12:55
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发表于 2025-3-28 22:13:21
Regularity of Flows in Porous Media: A Survey, large number of analyists, concerning a model equation for a class of nonlinear diffusion problems, the so-called porous medium equation. Although the theory is certainly not complete, its general outlines are quite clear and a coherent summary is possible.
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发表于 2025-3-29 02:05:46
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