Hankel and Toeplitz operators are the compressions of Laurent and bilateral Hankel operators, which in turn can be presented as two-by-two operator matrices with Toeplitz and Hankel entries.
Bibliographical noteFunding Information:
2020 Mathematics Subject Classification. Primary 47B35, 47A10. Keywords. Hankel operator; Toeplitz operator; Block matrix; Derivation. Received: 21 October 2019; Accepted: 04 July 2022 Communicated by Woo Young Lee This research was supported by Basic Science Research Program through the National Research Foundation of Korea(NRF) funded by the Ministry of Education(2016R1D1A1B03931937). The third author was supported by Basic Science Research Program through the National Research Foundation of Korea(NRF) funded by the Ministry of Education, Science and Technology(2019R1A2C1002653). * Corresponding author: Ji Eun Lee Email addresses: email@example.com (Robin Harte), firstname.lastname@example.org (Eungil Ko), email@example.com (Ji Eun Lee)
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- Block matrix
- Hankel operator
- Toeplitz operator