Layer structures for the solutions to the perturbed simple pendulum problems
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We consider the perturbed simple pendulum equation -u″(t) = μf(u(t)) + λsin u(t), t ∈ I: = (-T, T), u(t) > 0, t ∈ I, u(±T) = 0, where λ > 0 and μ ∈ R are parameters. The typical example of f is f(u) = u p-1u(p > 1). The purpose of this paper is to study the shape of the solutions when λ ≫ 1. More precisely, by using a variational approach, we show that there exist two types of solutions: one is almost flat inside I and another is like a step function with two steps.
収録刊行物
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- Journal of Mathematical Analysis and Applications
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Journal of Mathematical Analysis and Applications 315 (2), 725-739, 2006
Elsevier Inc
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詳細情報 詳細情報について
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- CRID
- 1050859215941406208
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- NII論文ID
- 120000882645
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- NII書誌ID
- AA00252847
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- 本文言語コード
- en
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- 資料種別
- journal article
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- IRDB
- CiNii Articles
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