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On Weighted Hardy Spaces on Complex Semigroups
- Source :
- Semigroup Forum. 56:392-417
- Publication Year :
- 1998
- Publisher :
- Springer Science and Business Media LLC, 1998.
-
Abstract
- (S,α) on a complex open Ol'shanskii semigroup S = G Exp (iW), where 1 ≤p≤∞ and α is an absolute value on the involutive semigroup X. For 1 < p < ∞ we prove the existence of an isometric boundary value map H p (S,α) → L p (G) generalizing the corresponding result of Ol'shanskii for p = 2 and α = 1. In the second part we use the fine structure of the space H 2 (S,1) to prove the existence of a bounded holomorphic function on S whose absolute value has a unique maximum in the boudary point 1Β G and therefore complete the proof of the approximation property of the Poisson kernel and the uniqueness of G as a Shilov boundary of S whenever W does not contain affine line.
Details
- ISSN :
- 00371912
- Volume :
- 56
- Database :
- OpenAIRE
- Journal :
- Semigroup Forum
- Accession number :
- edsair.doi...........36d13672d42d22c94c68bed12f40eebf
- Full Text :
- https://doi.org/10.1007/pl00005954