{"created":"2023-06-20T15:10:43.666506+00:00","id":6971,"links":{},"metadata":{"_buckets":{"deposit":"928e58f4-3207-452f-8474-e61592861de7"},"_deposit":{"created_by":3,"id":"6971","owners":[3],"pid":{"revision_id":0,"type":"depid","value":"6971"},"status":"published"},"_oai":{"id":"oai:ynu.repo.nii.ac.jp:00006971","sets":["616:627:667"]},"author_link":["29934"],"control_number":"6971","item_6_biblio_info_8":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2001","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicPageEnd":"77","bibliographicPageStart":"47","bibliographicVolumeNumber":"49","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":"We studied the Kiling fields of a spacetime with pseudo Metric: ds^{2}=frac{1}{x_{4}x_{4}}{sum_{b,c=1}^{3}(delta_{bc}-frac{ax_{b}x_{C}}{1+ar^{2}})dx_{b}dx_{C}-frac{1}{1+ax_{4}x_{4}}dx_{4}dx_{4}} , on R^{4}+=R^{3}times R+ , where r^{2}=sum_{b=1}^{3}x_{a}x_{b}, a=constant>0 in [13]. In this paper, we shall investigate the analogous problems for the case a<0, for which the above metric has singularity where 1+ar^{2}=0 or 1+ax_{4}x_{4}=0.","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_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":"Otsuki, Tominosuke"}],"nameIdentifiers":[{"nameIdentifier":"29934","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_49_N1_2001_047-077.pdf","filesize":[{"value":"1.6 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"YMJ_49_N1_2001_047-077.pdf","url":"https://ynu.repo.nii.ac.jp/record/6971/files/YMJ_49_N1_2001_047-077.pdf"},"version_id":"ec96a1df-d583-482f-b655-34128fbefb29"}]},"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":"KILLING VECTOR FIELDS OF A 4-SPACE ON R_{+}^{4}","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"KILLING VECTOR FIELDS OF A 4-SPACE ON R_{+}^{4}","subitem_title_language":"en"}]},"item_type_id":"6","owner":"3","path":["667"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2009-12-15"},"publish_date":"2009-12-15","publish_status":"0","recid":"6971","relation_version_is_last":true,"title":["KILLING VECTOR FIELDS OF A 4-SPACE ON R_{+}^{4}"],"weko_creator_id":"3","weko_shared_id":-1},"updated":"2023-08-23T05:30:27.197152+00:00"}