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DynamIC Seminars (Complete List)

Name Title Date Time Room
Vincent Goverse (Imperial College London)TBAAbstract: TBA Tuesday, 25 February 2025 13:00 Huxley 140
Hugo Chu (Imperial College London)Rigorous enclosure of Lyapunov exponents of stochastic flowsAbstract: We develop a powerful and general method to provide arbitrarily accurate rigorous upper and lower bounds for Lyapunov exponents of stochastic flows. Our approach is based on computer-assisted tools, the adjoint method and established results on the ergodicity of diffusion processes. We do not require any structural assumptions on the stochastic system, work under mild hypoellipticity conditions and outside of perturbative regimes. Therefore, our method allows for the treatment of systems that were so far inaccessible from existing mathematical tools. We demonstrate our method to exhibit the chaotic nature of three non-Hamiltonian systems. Finally, we show that our approach is robust to continuation methods to produce bounds on Lyapunov exponents for large parameter regions. This is joint work with Maxime Breden, Jeroen Lamb and Martin Rasmussen. Tuesday, 11 March 2025 13:00 Huxley 140

DynamIC Workshops and Mini-Courses (Complete List)

Title Date Venue
CHAOS (Homoclinic Bifurcations, Strange Attractors, Arnold Diffusion, Fermi Acceleration, Solitons)Sunday, 24 September 2023 – Friday, 29 September 2023Nesin Math Village, Izmir, Turkey
Mini-Workshop on Heterodimensional DynamicsWednesday, 2 November 2022Imperial College London

Short-term DynamIC Visitors (Complete List)

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