In this paper, the authors consider the Gevrey class regularity of a semigroup associated with a nonlinear Korteweg-de Vries (KdV for short) equation. By estimating the resolvent of the corresponding linear operator...In this paper, the authors consider the Gevrey class regularity of a semigroup associated with a nonlinear Korteweg-de Vries (KdV for short) equation. By estimating the resolvent of the corresponding linear operator, the authors conclude that the semigroup 3 generated by the linear operator is not analytic but of Gevrey class δ ε (5, ) for t 〉 0,展开更多
基金supported by the National Natural Science Foundation of China(Nos.11401021,11471044,11771336,11571257)the LIASFMA,the ANR project Finite4SoS(No.ANR 15-CE23-0007)the Doctoral Program of Higher Education of China(Nos.20130006120011,20130072120008)
文摘In this paper, the authors consider the Gevrey class regularity of a semigroup associated with a nonlinear Korteweg-de Vries (KdV for short) equation. By estimating the resolvent of the corresponding linear operator, the authors conclude that the semigroup 3 generated by the linear operator is not analytic but of Gevrey class δ ε (5, ) for t 〉 0,