Function spaces of variable smoothness and integrability

Diening L, Hästö P, Roudenko S (2009)
Journal of Functional Analysis 256(6): 1731-1768.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Autor*in
Diening, LarsUniBi ; Hästö, Peter; Roudenko, Svetlana
Abstract / Bemerkung
In this article we introduce Triebel--Lizorkin spaces with variable smoothness and integrability. Our new scale covers spaces with variable exponent as well as spaces of variable smoothness that have been studied in recent years. Vector-valued maximal inequalities do not work in the generality which we pursue, and an alternate approach is thus developed. Applying it, we give molecular and atomic decomposition results and show that our space is well-defined, i.e., independent of the choice of basis functions. As in the classical case, a unified scale of spaces permits clearer results in cases where smoothness and integrability interact, such as Sobolev embedding and trace theorems. As an application of our decomposition, we prove optimal trace theorems in the variable indices case.
Erscheinungsjahr
2009
Zeitschriftentitel
Journal of Functional Analysis
Band
256
Ausgabe
6
Seite(n)
1731-1768
ISSN
0022-1236
Page URI
https://pub.uni-bielefeld.de/record/2913525

Zitieren

Diening L, Hästö P, Roudenko S. Function spaces of variable smoothness and integrability. Journal of Functional Analysis. 2009;256(6):1731-1768.
Diening, L., Hästö, P., & Roudenko, S. (2009). Function spaces of variable smoothness and integrability. Journal of Functional Analysis, 256(6), 1731-1768. doi:10.1016/j.jfa.2009.01.017
Diening, L., Hästö, P., and Roudenko, S. (2009). Function spaces of variable smoothness and integrability. Journal of Functional Analysis 256, 1731-1768.
Diening, L., Hästö, P., & Roudenko, S., 2009. Function spaces of variable smoothness and integrability. Journal of Functional Analysis, 256(6), p 1731-1768.
L. Diening, P. Hästö, and S. Roudenko, “Function spaces of variable smoothness and integrability”, Journal of Functional Analysis, vol. 256, 2009, pp. 1731-1768.
Diening, L., Hästö, P., Roudenko, S.: Function spaces of variable smoothness and integrability. Journal of Functional Analysis. 256, 1731-1768 (2009).
Diening, Lars, Hästö, Peter, and Roudenko, Svetlana. “Function spaces of variable smoothness and integrability”. Journal of Functional Analysis 256.6 (2009): 1731-1768.

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arXiv: 0711.2354

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