0-GAS and point-wise ULIM imply ISS for time-delay systems

Consider the time-delay system on Xn\mathcal X^n with inputs in Um\mathcal U^m. 0-GAS plus point-wise ULIM conjecture. If the system is 0-GAS and satisfies the point-wise version of the ULIM property described immediately before the claim, then it is ISS. This would resolve the gap between point-wise visits of the state to an input-dependent neighborhood and the history-wise ULIM property used in known ISS characterizations; its resolution is not supplied.

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Primary source

Antoine Chaillet, Iasson Karafyllis, Pierdomenico Pepe and Yuan Wang, “The ISS framework for time-delay systems: a survey”, arXiv:2206.06167 (2022).

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