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2022-07-26
On spectra of Hankel operators on the polydisc
Zeljko CuckovicZhenghui HuoSonmez Sahutoglu
文献摘要
We give sufficient conditions for the essential spectrum of the Hermitian square of a class of Hankel operators on the Bergman space of the polydisc to contain intervals. We also compute the spectrum in case the symbol is a monomial.
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