Unbounded Hankel operators and the flow of the cubic Szego equation
成果类型：
Article
署名作者：
Gerard, Patrick; Pushnitski, Alexander
署名单位：
Universite Paris Saclay; Centre National de la Recherche Scientifique (CNRS); CNRS - National Institute for Mathematical Sciences (INSMI); University of London; King's College London
刊物名称：
INVENTIONES MATHEMATICAE
ISSN/ISSBN：
0020-9910
DOI：
10.1007/s00222-022-01176-z
发表日期：
2023
页码：
995-1026
关键词：
摘要：
We prove that, for any Hankel operator with a symbol from the Hardy class H-2, the maximal and minimal domains coincide. As an application, we prove that the evolution flow of the cubic Szeg & oacute; equation on the unit circle can be continuously extended to the whole class H-2.
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