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The optimisation of nonsmooth, nonconvex functions without access to gradients is a particularly challenging problem that is frequently encountered, for example in model parameter optimisation problems. Bilevel optimisation...

math.OC math.OC 49M25 49Q15 65K10 90C15 90C26 90C56 94A08

volume preservation Runge–Kutta method measure preservation Kahan’s method

The optimisation of nonsmooth, nonconvex functions without access to gradients is a particularly challenging problem that is frequently encountered, for example in model parameter optimisation problems. Bilevel optimisation...

Bilevel optimisation Clarke subdifferential Derivative-free optimisation Discrete gradient methods Geometric numerical integration Nonconvex optimisation Nonsmooth optimisation

The optimisation of nonsmooth, nonconvex functions without access to gradients is a particularly challenging problem that is frequently encountered, for example in model parameter optimisation problems. Bilevel optimisation...

Bilevel optimisation Clarke subdifferential Derivative-free optimisation Discrete gradient methods Geometric numerical integration Nonconvex optimisation Nonsmooth optimisation