Gevrey semigroup generated by −(Λ + b ⋅ ∇) in Lp(Rn)
Gevrey semigroup generated by −(Λ + b ⋅ ∇) in Lp(Rn)
复制标题
Gevrey 半群由 Lp(Rn) 中的 â(Î âـ âـbــًمــــ) 生成
DOI:
10.1016/j.jmaa.2019.123480
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发表时间:
2020-01
影响因子:
1.3
通讯作者:
Duan Jinqiao
中科院分区:
文献类型:
--
作者:
Wang Ming;Ma Qingxia;Duan Jinqiao
For every p belongs to [1,∞) and n dimensional vector b, it is shown that− Λ α− b⋅∇ generates an analytic semigroup in L p (R n) if 1≤ α≤ 2, and a Gevrey semigroup of order δ, for any δ> 1 α, in L p (R n) if 0< α< 1. Moreover, it is proved that the semigroup is not a Gevrey semigroup of order δ with δ≤ 1 α if 0< α< 1. This shows that our result is sharp.
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