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math.DS2022
Convex computation of maximal Lyapunov exponents
Hans Oeri, David Goluskin
We describe an approach for finding upper bounds on an ODE dynamical system's maximal Lyapunov exponent among all trajectories in a specified set. A minimization problem is formula…
physics.flu-dyn2022
Steady Rayleigh--Bénard convection: strongly nonlinear high-wavenumber rolls
Baole Wen, Alexander Takla, David Goluskin +1
In Rayleigh--Bénard convection, two-dimensional steady rolls bifurcate supercritically at a Rayleigh number that depends on their horizontal-to-vertical aspect ratio , and…