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Derivees tangentielles des fonctions de la classe k , α dans les domaines de type fini de ℂ²

Laurent Verdoucq (2002)

Annales Polonici Mathematici

Let Ω be a domain of finite type in ℂ² and let f be a function holomorphic in Ω and belonging to k , α ( Ω ̅ ) . We prove the existence of boundary values for some suitable derivatives of f of order greater than k. The gain of derivatives holds in the complex-tangential direction and it is precisely related to the geometry of ∂Ω. Then we prove a property of non-isotropic Hölder regularity for these boundary values. This generalizes some results given by J. Bruna and J. M. Ortega for the unit ball.

Effective formulas for complex geodesics in generalized pseudoellipsoids with applications

Włodzimierz Zwonek (1995)

Annales Polonici Mathematici

We introduce a class of generalized pseudoellipsoids and we get formulas for their complex geodesics in the convex case. Using these formulas we get a description of automorphisms of the pseudoellipsoids. We also solve the problem of biholomorphic equivalence of convex complex ellipsoids without any sophisticated machinery.

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