Stability of abstract dynamic equations on time scales

被引:22
作者
Hamza, Alaa E. [1 ]
Oraby, Karima M. [2 ]
机构
[1] Cairo Univ, Fac Sci, Dept Math, Cairo, Egypt
[2] Suez Canal Univ, Fac Sci, Dept Math, Suez, Egypt
来源
ADVANCES IN DIFFERENCE EQUATIONS | 2012年
关键词
EXPONENTIAL STABILITY; SYSTEMS;
D O I
10.1186/1687-1847-2012-143
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this paper, we investigate many types of stability, like uniform stability, asymptotic stability, uniform asymptotic stability, global stability, global asymptotic stability, exponential stability, uniform exponential stability, of the homogeneous first-order linear dynamic equations of the form x(Delta)(t) = Ax(t), t > t(0), t, t(0) is an element of T x(t(0)) = x(0) is an element of D(A), where A is the generator of a C-0-semigroup {T(t) : t is an element of T} subset of L(X), the space of all bounded linear operators from a Banach space X into itself. Here, T subset of R->= 0 is a time scale which is an additive semigroup with the property that a - b is an element of T for any a, b is an element of T such that a > b. Finally, we give an illustrative example for a nonregressive homogeneous first-order linear dynamic equation and we investigate its stability.
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页数:15
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