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Approximation of hardy space on the unit sphere

โœ Scribed by Chunwu Yu; Xinmeng Chen; Kunyang Wang; Feng Dai


Book ID
111783387
Publisher
Science in China Press (SCP)
Year
2003
Tongue
English
Weight
282 KB
Volume
46
Category
Article
ISSN
1674-733X

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Toeplitz Operators and Hankel Operators
โœ Dechao Zheng ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 396 KB

A sufficient condition is found for the product of two Toeplitz operators on the Hardy space of the unit sphere to be a compact perturbation of a Toeplitz operator. The condition leads to a criterion for a Hankel operator to be compact. ## 1997 Academic Press The object of this present paper is to