WITHDRAWN: Pre-threshold fractional susceptibility function: holomorphy and response formula. arXiv:2203.07942
Preprint, arXiv:2203.07942 [math.DS] (2022); retraction notice ibid.
Editorial note: This arXiv submission has been withdrawn.
Summary: For certain smooth unimodal families with negative Schwarzian derivative, we construct a set of Collet-Eckmann and subexponentially recurrent parameters \(\Omega\), whose complement set has sufficiently fast decaying density, on which exponential mixing with uniform rates occurs. We use this construction to establish holomorphy of the true fractional susceptibility function of the logistic family, in a disk of radius larger than one, for differentiation index \(0\le\eta<1/2\), as recently conjectured by Baladi and Smania. We also obtain a fractional response formula.
Summary: For certain smooth unimodal families with negative Schwarzian derivative, we construct a set of Collet-Eckmann and subexponentially recurrent parameters \(\Omega\), whose complement set has sufficiently fast decaying density, on which exponential mixing with uniform rates occurs. We use this construction to establish holomorphy of the true fractional susceptibility function of the logistic family, in a disk of radius larger than one, for differentiation index \(0\le\eta<1/2\), as recently conjectured by Baladi and Smania. We also obtain a fractional response formula.
MSC:
| 37C30 | Functional analytic techniques in dynamical systems; zeta functions, (Ruelle-Frobenius) transfer operators, etc. |
| 37C40 | Smooth ergodic theory, invariant measures for smooth dynamical systems |
| 37E05 | Dynamical systems involving maps of the interval |
| 37A10 | Dynamical systems involving one-parameter continuous families of measure-preserving transformations |
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