Norm of the Hilbert matrix on Bergman and Hardy spaces and a theorem of Nehari type

被引:38
|
作者
Dostanic, Milutin [3 ]
Jevtic, Miroljub [3 ]
Vukotic, Dragan [1 ,2 ]
机构
[1] Univ Autonoma Madrid, Dept Matemat, E-28049 Madrid, Spain
[2] Matemat Fak, Belgrade 11000, Serbia
[3] Matemat Fak, Belgrade 11000, Serbia
关键词
Hilbert matrix; operator norm; Hardy spaces; Bergman spaces; Hankel operator; Nehari theorem;
D O I
10.1016/j.jfa.2008.02.009
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
The Hilbert matrix induces a bounded operator on most Hardy and Bergman spaces, as was shown by Diamantopoulos and Siskakis. We generalize this for any Hankel operator on Hardy spaces by using a result of Hollenbeck and Verbitsky on the Riesz projection and also compute the exact value of the norm of the Hilbert matrix. Using a new technique, we determine the norm of the Hilbert matrix on a wide range of Bergman spaces. (c) 2008 Elsevier Inc. All rights reserved.
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页码:2800 / 2815
页数:16
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