Almost reducibility of quasiperiodic sl(2, R)-cocycles in ultradifferentiable classes

Autor: Chatal, Maxime, Chavaudret, Claire
Rok vydání: 2022
Předmět:
Druh dokumentu: Working Paper
Popis: Given a quasiperiodic cocycle in sl(2, R) sufficiently close to a constant, we prove that it is almost-reducible in ultradifferentiable class under an adapted arithmetic condition on the frequency vector. We also give a corollary on the H{\"o}lder regularity of the Lyapunov exponent.
Databáze: arXiv