* Hyper-parameter tuning for CMA-ES (mono-modal and multi-modal optimization problems)
* Surrogate models for CMA-ES (preserving invariance w.r.t. monotonous transformation of the objection function and w.r.t. affine transformations of the search space)
See Ilya Loshchilov\\\\\\\\\\\\\\\'s PhD for all detail: http://hal.inria.fr/tel-00823882/PDF/Thesis.pdf