Limbic-System
发表于 2025-3-21 18:45:54
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Tidious
发表于 2025-3-21 20:36:31
,Morse—Smale Systems,ntryagin in , In this work Andronov and Pontryagin considered systems on a two-dimensional sphere, . or on a disc . ⊂ ℝ.; it was supposed in the latter case that trajectories intersect the boundary of . entering . as . grows.
使闭塞
发表于 2025-3-22 02:34:12
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Compatriot
发表于 2025-3-22 05:23:05
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homocysteine
发表于 2025-3-22 12:17:59
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花束
发表于 2025-3-22 15:28:14
Spaces of Systems of Differential Equations and Diffeomorphisms,1. Let . be a domain in ℝ. such that:
Epithelium
发表于 2025-3-22 20:10:12
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fallible
发表于 2025-3-22 22:35:04
Periodic Point and Closed Trajectory,1. Consider a diffeomorphism . : ℝ. → ℝ., and let . be a periodic point of period .. Let us begin with the case . = 1, i.e. the case of a fixed point ..
错事
发表于 2025-3-23 03:27:34
Transversality,1. Let . be smooth manifolds, let . be a submanifold of ., and let . be a smooth map, . : . → ..
Dissonance
发表于 2025-3-23 07:54:37
,The Kupka—Smale Theorem,1. Consider an autonomous system of differential equations.