The paper constructs and proves uniqueness of a spherical normal form Δ for parabolic germs realizing a prescribed Birkhoff-Écalle-Voronin modulus ψ, realized as the time-1 map of a Gevrey formal vector field with meromorphic sums.
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Spherical normal forms for germs of parabolic line biholomorphisms
The paper constructs and proves uniqueness of a spherical normal form Δ for parabolic germs realizing a prescribed Birkhoff-Écalle-Voronin modulus ψ, realized as the time-1 map of a Gevrey formal vector field with meromorphic sums.