Large time behavior of solutions to the Klein-Gordon equation with nonlinear dissipative terms
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- Sunagawa Hideaki
- Institute of Mathematics, University of Tsukuba
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We consider the Cauchy problem for ∂t2u-∂x2u+u = -g(∂tu)3 on the real line. It is shown that if g>0, the solution has an additional logarithmic time decay in comparison with the free evolution in the sense of Lp, 2≤p≤∞. Moreover, the asymptotic profile of u(t,x) as t→+∞ is obtained. We also discuss a generalization. Consequently we see that the “null condition” in the sense of J.-M. Delort (Ann. Sci. École Norm. Sup., 34 (2001), 1-61) is not optimal for small data global existence for nonlinear Klein-Gordon equations.
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 58 (2), 379-400, 2006
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
- 1390001205116522368
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- NII論文ID
- 10018381270
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- NII書誌ID
- AA0070177X
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- ISSN
- 18811167
- 18812333
- 00255645
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- MRID
- 2228565
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- NDL書誌ID
- 7892106
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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
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- CiNii Articles
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- 使用不可