进步
发表于 2025-3-30 09:51:00
Area-Preserving Poincaré Mappings of the Unit Disk cases cf physical interest arise: Conservative and dissipative systems. While the latter has been considered by a great many authors, much less is known for the first one (according to Liouvilie’s theorem, here the mapping leaves a certain measure in phase space invariant)..In this paper, we concen
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发表于 2025-3-30 14:56:27
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CREST
发表于 2025-3-30 18:00:45
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insert
发表于 2025-3-31 00:40:46
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agenda
发表于 2025-3-31 04:56:04
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objection
发表于 2025-3-31 05:59:10
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cornucopia
发表于 2025-3-31 12:11:28
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FATAL
发表于 2025-3-31 16:35:09
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流眼泪
发表于 2025-3-31 20:52:21
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宽度
发表于 2025-4-1 01:42:25
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