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Hauptverfasser: Liu, Hua, Zhang, Xinyang
Format: Preprint
Veröffentlicht: 2025
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Online-Zugang:https://arxiv.org/abs/2503.08590
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author Liu, Hua
Zhang, Xinyang
author_facet Liu, Hua
Zhang, Xinyang
contents In this paper we study the essential spectra of the Toeplitz operator on the Hardy space $H^1$. We give a counterexample to show that the Toeplitz operator with symbol is not Fredholm, which gives a counterexample to the conjecture by J.A. Virtanen J A in 2006.
format Preprint
id arxiv_https___arxiv_org_abs_2503_08590
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle A counterexample of the Fredholm of Toeplitz operator
Liu, Hua
Zhang, Xinyang
Functional Analysis
Complex Variables
In this paper we study the essential spectra of the Toeplitz operator on the Hardy space $H^1$. We give a counterexample to show that the Toeplitz operator with symbol is not Fredholm, which gives a counterexample to the conjecture by J.A. Virtanen J A in 2006.
title A counterexample of the Fredholm of Toeplitz operator
topic Functional Analysis
Complex Variables
url https://arxiv.org/abs/2503.08590