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Dynamical Systems Seminar – Nicolas Boulle

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Nicolas Boulle will lead the Dynamical Systems Seminar on 10 November 2026, presenting a study on one-shot system identification. The seminar will address the conditions under which a model can be identified from a single experiment.

Speaker : Nicolas Boulle Title : A zero-one law for one-shot system identification Abstract : Can a model be identified from one experiment? We study analytic systems that are linearly parameterized by a combination of prescribed dictionary terms, such as partial differential operators and dynamical systems. For a single input-response pair, recovery is possible exactly when the evaluated dictionary terms are linearly independent. We prove a sharp zero-one law: either no input uniquely determines the coefficients, or almost every random input sampled from a nondegenerate Gaussian measure does. This dichotomy reduces one-shot system identification to a question about degenerate inputs and provides an a posteriori certificate for any recovered model. Numerical examples recover dynamical systems, nonlinear partial differential equations, and structured matrix families from single trajectory data, while also detecting when an extra probe is necessary.

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Dynamical Systems Seminar – Nicolas Boulle takes place on Tuesday, 10 November 2026 at 13:00.

Dynamical Systems Seminar – Nicolas Boulle is held at Huxley Building, South Kensington Campus in London (145, Huxley Building, SW7 2AZ).

Entry to Dynamical Systems Seminar – Nicolas Boulle is free.

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Tickets for Dynamical Systems Seminar – Nicolas Boulle can be booked via imperial.ac.uk using the "Check Tickets & Live Prices" button on this page, which opens the official booking site in a new tab.

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