Abstract:We apply the methods developed in our previous work to study holomorphic functions of slow growth on coverings of pseudoconvex domains in Stein manifolds. In particular, we extend and strengthen certain results of Gromov, Henkin and Shubin on holomorphic L 2 functions on coverings of pseudoconvex manifolds in the case of coverings of Stein manifolds.
“…By the hypothesis of the theorem we have |η| := sup z∈U,s∈Sη |g(z, s)| ≤ c||η|| (4.2) for some c depending on U and h Y only. The remaining part of the proof repeats literally the proof of Proposition 5.1 of [Br4]. We refer to this paper for details.…”
In this paper continuing our work started in [Br1]-[Br3] we prove the corona theorem for the algebra of bounded holomorphic functions defined on an unbranched covering of a Caratheodory hyperbolic Riemann surface of finite type.
“…By the hypothesis of the theorem we have |η| := sup z∈U,s∈Sη |g(z, s)| ≤ c||η|| (4.2) for some c depending on U and h Y only. The remaining part of the proof repeats literally the proof of Proposition 5.1 of [Br4]. We refer to this paper for details.…”
In this paper continuing our work started in [Br1]-[Br3] we prove the corona theorem for the algebra of bounded holomorphic functions defined on an unbranched covering of a Caratheodory hyperbolic Riemann surface of finite type.
“…These and some other results will be published elsewhere. It is worth noting that results much stronger than Theorem 1.1 can be obtained if M is a strongly pseudoconvex Stein manifold, see [2,3] for an exposition.…”
In this paper we extend some results of the paper [M. Gromov, G. Henkin, M. Shubin, Holomorphic L 2 -functions on coverings of pseudoconvex manifolds, Geom. Funct. Anal. 8 (1998) 552-585].
“…The proof uses the techniques developed in [3][4][5]; we refer to these papers for additional details.…”
Section: Proof Of Theorem 12mentioning
confidence: 99%
“…Consider the homomorphism ρ : G → GL (C(B, G)) of G into the group of invertible linear bounded operators on C(B, G) defined by the formula (ρ(g) C(G, B) for all x ∈ U i ∩ U j , see, e.g., [5,Ex. 3.2].…”
A major open problem asks about the (Grothendieck) approximation property for the space H ∞ := H ∞ (D) of bounded holomorphic functions in the unit disk D ⊂ C. Motivated by this problem we establish approximation properties for Banach spaces predual to the spaces H ∞ (Ω) for Ω being finite direct products of starlike domains and unbranched coverings of strongly pseudoconvex domains in Stein manifolds.
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