生长变吼叫
发表于 2025-3-21 16:26:39
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多余
发表于 2025-3-21 22:40:08
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gnarled
发表于 2025-3-22 03:57:13
Limit Cycles of Differential Equations978-3-030-59656-9Series ISSN 2297-0304 Series E-ISSN 2297-0312
断言
发表于 2025-3-22 07:11:22
Chapter 8 Monodromy of Hyperelliptic Abelian Integralsat the perturbation terms would have to be relatively exact. In Case (ii) we show later that the 1-form given by the perturbation terms will be the sum of a relatively exact term and the pull back of a 1-form on the factorized space.
intelligible
发表于 2025-3-22 12:18:41
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远足
发表于 2025-3-22 15:44:57
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无辜
发表于 2025-3-22 19:32:00
Chapter 1 Centers and Limit CyclesIn this chapter I want to give a general background to the center-focus problem, and then to show why the problem is interesting: both in what it tells us about the distinctive algebraic features of polynomial vector fields, and also in the simple concrete estimates it gives of the number of limit cycles which can exist in these vector fields.
外观
发表于 2025-3-22 22:37:35
Chapter 2 Darboux IntegrabilityIn this chapter, we consider one of the two main mechanisms which seem to underlie the existence of centers in polynomial vector fields. The background and history to this topic is covered in detail by Schlomiuk .
把…比做
发表于 2025-3-23 02:14:01
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Hemodialysis
发表于 2025-3-23 06:08:27
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