Sahiba Arora, Alexander A. Wierzba · 2026 · arXiv (Cornell University)
DOI: 10.48550/arxiv.2610.27138 · cited by 0 works (OpenAlex) · open-access PDF
El estudio de la estabilidad de entrada limitada de salida limitada (BIBO) de los sistemas infinitos-dimensionales da lugar a dificultades que no ocurren en la configuración finita-dimensional clásica. En este artículo, resolvemos varias cuestiones relacionadas con la definición y caracterización de la estabilidad de BIBO en el marco de los nodos del sistema. En particular, mostramos que la estabilidad de $\mathrm C^\infty$-BIBO no necesita implicar la estabilidad de $L^\infty$-BIBO en general, sino que las dos nociones son equivalentes cuando el espacio de salida es reflexivo. Además, investigamos qué resultados clásicos extensivos se extienden a la configuración infinita-dimensional, incluyendo la relación entre la estabilidad de BIBO y la estabilidad exponencial bajo
Machine translation (Meta M2M100); the English original follows.
The study of bounded-input bounded-output (BIBO) stability of infinite-dimensional systems gives rise to difficulties that do not occur in the classical finite-dimensional setting. In this paper, we resolve several questions concerning the definition and characterisation of BIBO stability in the framework of system nodes. In particular, we show that $\mathrm C^\infty$-BIBO stability need not imply $L^\infty$-BIBO stability in general, but that the two notions are equivalent when the output space is reflexive. Furthermore, we investigate to what extent classical results extend to the infinite-dimensional setting, including the relation between BIBO stability and exponential stability under controllability and observability assumptions.
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Topics: BIBO stability, Observability, Stability (learning theory), Controllability, Mathematics, Control theory (sociology)
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