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math.CV2008★ 2 cited
CR manifolds admitting a CR contraction
Kang-Tae Kim, Jean-Christophe Yoccoz
We classify the germs of CR manifolds that admit a smooth CR contraction. We show that such a CR manifold is embedded into $\CC^n$ as a real hypersurface defin…
math.CV1999
Complex Brjuno functions
S. Marmi, P. Moussa, J. -C. Yoccoz
The Brjuno function arises naturally in the study of one--dimensional analytic small divisors problems. It belongs to and it is stable under Hölder pertu…