全国性
发表于 2025-3-26 21:58:22
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Mucosa
发表于 2025-3-27 02:01:45
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歌剧等
发表于 2025-3-27 09:00:44
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facilitate
发表于 2025-3-27 13:11:34
Das Problem und seine Untersuchung,s case an appropriate approach seems to be critical point theory. Actually, the mountain pass theorem or the linking theorem can be used to find solutions. We also show how to study superlinear problems by using the topological degree.
拥护者
发表于 2025-3-27 16:22:51
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不开心
发表于 2025-3-27 20:29:51
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lipids
发表于 2025-3-28 01:52:21
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引起
发表于 2025-3-28 06:06:31
Das Problem und seine Untersuchung,at infinity. It will be shown that, according to the properties of the nonlinearity, we can use the global inversion theorem (to get existence and uniqueness) or topological degree or else critical point theory.
悠然
发表于 2025-3-28 09:29:57
https://doi.org/10.1007/978-3-663-14805-0ar problems. For this class of equations it is quite natural to use the bifurcation from infinity. The classical Landesman—Lazer existence result is found by this method as well as by using a variational approach. The bifurcation from infinity also leads to proving the anti-maximum principle.
tenuous
发表于 2025-3-28 14:21:40
Das Problem und seine Untersuchung,s case an appropriate approach seems to be critical point theory. Actually, the mountain pass theorem or the linking theorem can be used to find solutions. We also show how to study superlinear problems by using the topological degree.