L[q]-L[r] estimate of the Oseen flow in plane exterior domains
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- Hishida Toshiaki
- Graduate School of Mathematics, Nagoya University
書誌事項
- タイトル別名
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- <i>L</i><sup><i>q</i></sup>-<i>L</i><sup><i>r</i></sup> estimate of the Oseen flow in plane exterior domains
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抄録
We consider the initial value problem for the Oseen system in plane exterior domains and study the large time behavior of solutions. For the space dimension n ≥ 3 the theory was well developed by [26], [10] and [11], while 2D case has remained open because of difficulty arising from singularity like log √(λ+α2) of the Oseen resolvent, where λ is the resolvent parameter and α is the Oseen parameter. In this paper we derive the local energy decay of the Oseen semigroup and apply it to deduction of Lq-Lr estimates. The dependence of estimates on the Oseen parameter α is also discussed. The proof relies on detailed analysis of asymptotic structure of the fundamental solution of the Oseen resolvent with respect to both λ and α.
収録刊行物
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- Journal of the Mathematical Society of Japan
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Journal of the Mathematical Society of Japan 68 (1), 295-346, 2016
一般社団法人 日本数学会
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詳細情報 詳細情報について
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- CRID
- 1390282680092484096
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- NII論文ID
- 130005122692
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- NII書誌ID
- AA0070177X
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- ISSN
- 18811167
- 18812333
- 00255645
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- NDL書誌ID
- 027060786
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可