Lyapunov functions for a class of fractional order $h$-difference systems

Xiang Liu, Baoguo Jia, Lynn Erbe, Allan Peterson

Abstract


This paper presents some new lemmas related to the fractional order $h$-difference operators, for the case of general quadratic forms and for the polynomial type, which allow proving the stability of fractional order $h$-difference systems, by means of the discrete fractional Lyapunov direct method, using general quadratic Lyapunov functions, and polynomial Lyapunov functions of any positive integer order, respectively. Some examples are given to illustrate these results.


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