{"id":241894,"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00241894","sets":["1164:2592:11887:11888"]},"path":["11888"],"owner":"44499","recid":"241894","title":["トーラス格子グラフの木幅について"],"pubdate":{"attribute_name":"公開日","attribute_value":"2025-01-07"},"_buckets":{"deposit":"f792a0bb-b24c-402c-a759-40eb65e30d09"},"_deposit":{"id":"241894","pid":{"type":"depid","value":"241894","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"トーラス格子グラフの木幅について","author_link":["666759","666761","666760","666758"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"トーラス格子グラフの木幅について"}]},"item_type_id":"4","publish_date":"2025-01-07","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"北海道大学"},{"subitem_text_value":"名古屋大学"},{"subitem_text_value":"名古屋大学"},{"subitem_text_value":"名古屋大学"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Hokkaido University","subitem_text_language":"en"},{"subitem_text_value":"Nagoya University","subitem_text_language":"en"},{"subitem_text_value":"Nagoya University","subitem_text_language":"en"},{"subitem_text_value":"Nagoya University","subitem_text_language":"en"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_publisher":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会","subitem_publisher_language":"ja"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/241894/files/IPSJ-AL25201006.pdf","label":"IPSJ-AL25201006.pdf"},"date":[{"dateType":"Available","dateValue":"2027-01-07"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-AL25201006.pdf","filesize":[{"value":"861.4 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"9"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"4529672a-9453-442b-9d6f-1180eeabf6e9","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2025 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"儀間, 達也"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"森元, 拓"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"岡田, 優斗"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"大舘, 陽太"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN1009593X","subitem_source_identifier_type":"NCID"}]},"item_4_textarea_12":{"attribute_name":"Notice","attribute_value_mlt":[{"subitem_textarea_value":"SIG Technical Reports are nonrefereed and hence may later appear in any journals, conferences, symposia, etc."}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_18gh","resourcetype":"technical report"}]},"item_4_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2188-8566","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"木幅とは，グラフの木への近さを表すパラメータの一つである．本論文では，トーラス状の n×n 格子グラフの木幅を研究し，n が奇数であるときにその値が 2n-1 であることを示す．Kiyomi らの先行研究 [Discret. Appl. Math. 198 (2016)] は，この値が 2n-1 または 2n-2 であることを示していた．本研究では，先行研究と同様にブランブルと呼ばれる木幅の双対的概念を用い，木幅の下界を構成的に示す．先行研究では多項式個の要素からなるブランブルを構成することで下界 2n-2 を示していたが，本研究では新たな手法を用いて指数個の要素からなるブランブルを構成し，上界に一致する下界 2n-1 を示した．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"2","bibliographic_titles":[{"bibliographic_title":"研究報告アルゴリズム（AL）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2025-01-07","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"6","bibliographicVolumeNumber":"2025-AL-201"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"updated":"2025-01-19T07:30:20.603732+00:00","created":"2025-01-19T01:46:46.564400+00:00","links":{}}