2024-03-28T18:44:17Zhttps://eprints.lib.hokudai.ac.jp/dspace-oai/requestoai:eprints.lib.hokudai.ac.jp:2115/690832022-11-17T02:08:08Zhdl_2115_45007hdl_2115_116The spectra of Toeplitz operators with unimodular symbolsNakazi, T.open accessToeplitz operatorspectrumunimodular function410The spectrum a(T¢) of a Toeplitz operator Tt/> on the open unit disc n for a unimodular symbol <Pis studied. Exactly, many sufficient conditions for a(T¢) . an or a(T¢) = lJ are given. If <Pis a unimodular function in H00 + C, then a(T¢) an or a(T¢ ) = D.Department of Mathematics, Hokkaido University1996-04-01engdepartmental bulletin paperVoRhttps://doi.org/10.14943/83479http://hdl.handle.net/2115/6908310.14943/83479Hokkaido University Preprint Series in Mathematics33319https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/69083/1/pre333.pdfapplication/pdf393.71 KB1996-04-01