Initial traces and solvability of Cauchy problem to a semilinear parabolic system
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- Fujishima Yohei
- Department of Mathematical and Systems Engineering, Faculty of Engineering, Shizuoka University
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- Ishige Kazuhiro
- Graduate School of Mathematical Sciences, The University of Tokyo
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<p>Let (𝑢, 𝑣) be a solution to a semilinear parabolic system</p><p> (P) \begin{cases}𝜕𝑡 𝑢 = 𝐷1 Δ 𝑢+𝑣𝑝 in 𝐑𝑁 ×(0, 𝑇), 𝜕𝑡 𝑣 = 𝐷2 Δ 𝑣+𝑢𝑞 in 𝐑𝑁 ×(0, 𝑇), 𝑢, 𝑣 ≥ 0 in 𝐑𝑁 ×(0, 𝑇), (𝑢(⋅, 0), 𝑣(⋅, 0)) = (𝜇, 𝜈) in 𝐑𝑁, \end{cases}</p><p> where 𝑁 ≥ 1, 𝑇 > 0, 𝐷1 > 0, 𝐷2 > 0, 0 < 𝑝 ≤ 𝑞 with 𝑝𝑞 > 1 and (𝜇, 𝜈) is a pair of Radon measures or nonnegative measurable functions in 𝐑𝑁. In this paper we study qualitative properties of the initial trace of the solution (𝑢, 𝑣) and obtain necessary conditions on the initial data (𝜇, 𝜈) for the existence of solutions to problem (P).</p>
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 73 (4), 1187-1219, 2021
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
- 1390289796573105792
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- NII論文ID
- 130008106923
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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
- 031756588
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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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