Sustaining AI safety: Control-theoretic external impossibility, intrinsic necessity, and structural requirements

As AI systems become increasingly capable, safety strategies must be evaluated not only by how much they reduce present risk, but by whether they could sustain safety once external control can no longer reliably constrain system behavior. This paper addresses that problem by using control theory to clarify, at a structural level, whether externally enforced safety-sustaining strategies can succeed and, if not, what any alternative strategy would have to satisfy in order to be viable. It establis

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ethics.ai (13 May 2026), “Sustaining AI safety: Control-theoretic external impossibility, intrinsic necessity, and structural requirements,” evidence record 4420, https://ethics.ai/record/4420 (originally published by arXiv).

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