{"created":"2023-06-20T15:10:39.936362+00:00","id":6900,"links":{},"metadata":{"_buckets":{"deposit":"7ce46b42-7996-4bbb-9149-5b1affea62be"},"_deposit":{"created_by":3,"id":"6900","owners":[3],"pid":{"revision_id":0,"type":"depid","value":"6900"},"status":"published"},"_oai":{"id":"oai:ynu.repo.nii.ac.jp:00006900","sets":["616:627:662"]},"author_link":["29824"],"control_number":"6900","item_6_biblio_info_8":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1997","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicPageEnd":"24","bibliographicPageStart":"21","bibliographicVolumeNumber":"44","bibliographic_titles":[{"bibliographic_title":"Yokohama Mathematical Journal = 横濱市立大學紀要. D部門, 数学"}]}]},"item_6_description_17":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"application/pdf","subitem_description_type":"Other"}]},"item_6_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"In [3], D. Sarason proved the following result : Let q be a non-constant inner function, and let Q be the orthogonal projection from L^{2} onto K=H^{2} ominus T_{q}H^{2} . If A in  mathcal{B}(K) commutes with QL_{z}Q , then there is a function  psi in H^{ infty} such that  Vert psi Vert_{ infty}=  Vert A|| and A=QL_{ psi}Q . The proof is not so easy and simple. And, in this paper, I will give its simple proof by using some properties of Toeplitz and Hankel operators.","subitem_description_type":"Abstract"}]},"item_6_publisher_35":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"Yokohama City University and Yokohama National University"}]},"item_6_source_id_11":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA0089285X","subitem_source_identifier_type":"NCID"}]},"item_6_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"00440523","subitem_source_identifier_type":"ISSN"}]},"item_6_text_4":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"Mathematical Institute, Tohoku University, Sendai 980-77, Japan"}]},"item_6_version_type_18":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Yoshino, Takashi"}],"nameIdentifiers":[{"nameIdentifier":"29824","nameIdentifierScheme":"WEKO"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2016-09-26"}],"displaytype":"detail","filename":"YMJ_44_N1_1997_021-024.pdf","filesize":[{"value":"266.7 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"YMJ_44_N1_1997_021-024.pdf","url":"https://ynu.repo.nii.ac.jp/record/6900/files/YMJ_44_N1_1997_021-024.pdf"},"version_id":"544c3c76-70d0-4597-9b60-f8593e450dc5"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"A simple proof of Sarason's result for interpolation in H^{infty}","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"A simple proof of Sarason's result for interpolation in H^{infty}","subitem_title_language":"en"}]},"item_type_id":"6","owner":"3","path":["662"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2009-12-15"},"publish_date":"2009-12-15","publish_status":"0","recid":"6900","relation_version_is_last":true,"title":["A simple proof of Sarason's result for interpolation in H^{infty}"],"weko_creator_id":"3","weko_shared_id":-1},"updated":"2023-08-23T04:53:09.221372+00:00"}