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    Controllability of Nonlinear Discrete Systems with Degeneracy

    This paper concerns the controllability of autonomous and nonautonomous nonlinear discrete systems, in which linear parts might admit certain degeneracy. By introducing Fredholm operators and coincidence degre...

    Yue Lyu, Xue-li Tan, Xue Yang, Yong Li in Acta Mathematicae Applicatae Sinica, Engli… (2023)