Black-box optimization 1 Convex functions 1 Covariance matrix 1 Derivative-free optimization 1 Evolution strategies 1 Evolutionary algorithms 1 Functions 1 Linear convergence 1 Monotonic transformation 1 Normal distribution 1 Number theory 1 Optimization 1 Optimization heuristics Randomized derivative free optimization 1 Stochastic algorithms 1 Stochastic systems 1 Stochastics 1 black-box optimization 1 evolution strategies 1 linear convergence 1 randomized derivative free optimization 1 stochastic algorithms 1