A novel characteristic of solution operator for the fractional abstract Cauchy problem

被引:32
作者
Peng Jigen [1 ]
Li Kexue [1 ]
机构
[1] Xi An Jiao Tong Univ, Dept Math, Xian 710049, Peoples R China
关键词
Fractional abstract Cauchy problem; Fractional derivative; Fractional semigroup; Solution operator;
D O I
10.1016/j.jmaa.2011.07.009
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Motivated by an equality of the Mittag-Leffier function proved recently by the authors, this paper develops an operator theory for the fractional abstract Cauchy problem (FACP) with order alpha is an element of (0, 1). The notion of fractional semigroup is introduced. It is proved that a family of bounded linear operator is a solution operator for (FACP) if and only if it is a fractional semigroup. Moreover, the well-posedness of the problem (FACP) is also discussed. It is shown that the problem (FACP) is well-posed if and only if its coefficient operator generates a fractional semigroup. (C) 2011 Elsevier Inc. All rights reserved.
引用
收藏
页码:786 / 796
页数:11
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