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Toeplitz and Hankel operators with L∞,1 symbols on Dirichlet space
Journal of Mathematical Analysis and Applications Số 1, năm 2010 (Tập 369, trang 368-376)
ISSN: 0022247X
ISSN: 0022247X
DOI: 10.1016/j.jmaa.2010.03.025
Tài liệu thuộc danh mục: Scopus
Article
English
Tóm tắt tiếng anh
We show that Toeplitz or small Hankel operators with symbols in L∞,1 is a generalization of the case with the harmonic symbol in C⊕D⊕D, where D is the Dirichlet space on D. We also give a decomposition theorem for the Sobolev space of first order on D. Using this result, some characterizations for algebraic properties of Toeplitz or small Hankel operators with symbols in L∞,1 are given. © 2010 Elsevier Inc.