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Buckley, Stephen M., Fernández, José L. and Vukotić, Dragan (2001) Superposition operators on Dirichlet type spaces. Report University of Jyväskylä Department of Mathematics and Statistics, 83. pp. 41-61. ISSN 1457-8905
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Official URL: http://www.math.jyu.fi/research/reports/rep83c.pdf
Abstract
We characterize the entire functions ℓfor which the induced nonlinear superposition operator f →ℓof one Besov space Bp into another Bq, where B∞ can be taken to be any of the following natural spaces: VMOA, BMOA, B0, and
B. We do the same for the superpositions from one unweighted Dirichlet-type space Dp into another, and from Bp into the weighted space Dqά. The admissible functions
are typically polynomials whose degree depends on p and q, or entire functions whose order and type are determined by those exponents. We prove some new Trudingertype
inequalities for analytic functions along the way.
| Item Type: | Article |
|---|---|
| Keywords: | Superposition operators; Dirichlet type spaces; Trudingertype inequalities; Function spaces; Conformal geometry; Riemann maps. between di erent Besov-type spaces, including the \endpoint spaces" VMOA, BMOA, little Bloch B0, and Bloch B. The operator S' acts from any one of these spaces into another of them if and only if ' is either a linear function or a constant, depending on the speci c case in question. The Dirichlet-type spaces Dp consist of functions whose |
| Academic Unit: | Faculty of Science and Engineering > Mathematics and Statistics |
| Item ID: | 1609 |
| Depositing User: | Prof. Stephen Buckley |
| Date Deposited: | 21 Oct 2009 09:16 |
| Journal or Publication Title: | Report University of Jyväskylä Department of Mathematics and Statistics |
| Publisher: | Jyväskylä Yliopisto, Matematiikan ja Tilastotieteen Laitos |
| Refereed: | Yes |
| Related URLs: | |
| URI: | https://mu.eprints-hosting.org/id/eprint/1609 |
| Use Licence: | This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here |
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