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cs.LG2026
In CEM, a World Model Is Also a Proposal Mechanism
Oliver Obst, Frieder Stolzenburg
The cross-entropy method (CEM) uses world-model scores to select action sequences and fit the distribution sampled in its next iteration. A scoring error can therefore change both…
cs.RO2026
Linear Recurrent Memory Suffices to Distil a World-Model Policy for Robot Air Hockey
F. Olivia Fan, Oliver Obst
Does memory-dependent control need nonlinear recurrent dynamics? We study simulated air-hockey defence under temporary loss of puck tracking. A DreamerV3 teacher outperforms a memo…