arthrodesis 发表于 2025-4-1 03:07:40
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https://doi.org/10.1007/978-1-4899-0815-5That is, for nearly integrable nonlinear PDEs (under periodic boundary conditions) we do not know any result which is essentially infinite-dimensional. There are no doubts that such results exist. To find them is a big challenge.消散 发表于 2025-4-1 11:37:51
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