Effective quenched linear response for random dynamical systems
Abstract
We prove ``effective'' linear response for certain classes of non-uniformly expanding random dynamical systems which are not necessarily composed in an i.i.d manner. In applications, the results are obtained for base maps with a sufficient amount of mixing. The fact that the rates are effective is then applied to obtain the differentiability of the variance in the CLT as a function of the parameter, as well as the annealed linear response. These two applications are beyond the reach of the linear response obtained in the general case, when all the random variables appearing in the bounds are only tempered. We also provide several wide examples of one-dimensional maps satisfying our conditions, as well as some higher-dimensional examples.
Cite
@article{arxiv.2403.04907,
title = {Effective quenched linear response for random dynamical systems},
author = {Davor Dragicevic and Yeor Hafouta},
journal= {arXiv preprint arXiv:2403.04907},
year = {2026}
}
Comments
Revised version. Accepted for publication in Communications in Mathematical Physics