Generic stable ergodicity for tuples of volume-preserving diffeomorphisms
Generic stable ergodicity for tuples of volume-preserving diffeomorphisms
Let be a closed manifold with a volume, let , and let denote the space of volume-preserving diffeomorphisms of . A tuple is stably ergodic when its associated random dynamical system remains ergodic under sufficiently small perturbations. Generic stable ergodicity conjecture. For each closed manifold with volume and regularity , there exists such that the space of stably ergodic tuples is open and dense in
The conjecture asserts that a small, possibly minimal, amount of randomness should generically ensure robust ergodic and statistical properties; its resolution would make exponential mixing a generic property for random dynamical systems.
Sources & referencesView supporting material
Primary source
Jonathan DeWitt and Dmitry Dolgopyat, “Expanding on average diffeomorphisms of surfaces: exponential mixing”, arXiv:2410.08445 (2024).
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