Well-posedness for the Cauchy problem of the Klein-Gordon-Zakharov system in five and more dimensions

Well-posedness for the Cauchy problem of the Klein-Gordon-Zakharov system in five and more dimensions
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发表时间:
2016-12
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通讯作者:
Isao Kato;S. Kinoshita
Isao Kato;S. Kinoshita
中科院分区:
其他
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作者:
Isao Kato;S. Kinoshita

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我们研究空间维度 d ≥ 5 的 Klein-Gordon-Zakharov 系统的柯西问题,初始数据为 (u, ∂tu, n, ∂tn)|t=0 ∈ H (R) × H(R)× Ḣ(R)× Ḣ(R)。 s 的临界值为 sc = d/2− 2。通过 U , V 2 类型空间,我们证明了小数据全局适定性和散射在 d ≥ 5 时保持在 s = sc 。
We study the Cauchy problem of the Klein-Gordon-Zakharov system in spatial dimension d ≥ 5 with initial datum (u, ∂tu, n, ∂tn)|t=0 ∈ H (R) × H(R)× Ḣ(R)× Ḣ(R). The critical value of s is sc = d/2− 2. By U , V 2 type spaces, we prove that the small data global well-posedness and scattering hold at s = sc in d ≥ 5.