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In this paper, hybrid k trees and hybrid k^^- trees  in a graph which are the generalized concepts of  k trees and co-k trees  and  k cotrees alla co-k cotrees,  respectively are defined. And relationships among hybrid trees, hybrid 2 trees, hybrid 2^^- trees, circuits, cutsets, paths and sub-cutsets in a graph are presented. These results (using hybrid k trees and hybrid k^^- trees) may be considered as a generalization and an extension of work using subgraphs such as trees, cotrees, k trees and co-k trees etc.", "subitem_description_type": "Abstract"}]}, "item_7_full_name_3": {"attribute_name": "著者別名", "attribute_value_mlt": [{"nameIdentifiers": [{"nameIdentifier": "167893", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "Sengoku, Masakazu"}]}, {"nameIdentifiers": [{"nameIdentifier": "167894", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "Kurobe, Teiichi"}]}, {"nameIdentifiers": [{"nameIdentifier": "167895", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "Ogawa, Yoshihiko"}]}, {"nameIdentifiers": [{"nameIdentifier": "167896", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "Matsumoto, Tadashi"}]}]}, "item_7_publisher_7": {"attribute_name": "出版者", "attribute_value_mlt": [{"subitem_publisher": "北海道大学"}]}, "item_7_select_19": {"attribute_name": "著者版フラグ", "attribute_value_mlt": [{"subitem_select_item": "publisher"}]}, "item_7_source_id_11": {"attribute_name": "書誌レコードID", "attribute_value_mlt": [{"subitem_source_identifier": "AN00230223", "subitem_source_identifier_type": "NCID"}]}, "item_7_source_id_9": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "0385602X", "subitem_source_identifier_type": "ISSN"}]}, "item_creator": {"attribute_name": "著者", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "仙石, 正和"}], "nameIdentifiers": [{"nameIdentifier": "167889", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "黒部, 貞一"}], "nameIdentifiers": [{"nameIdentifier": "167890", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "小川, 吉彦"}], "nameIdentifiers": [{"nameIdentifier": "167891", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "松本, 正"}], "nameIdentifiers": [{"nameIdentifier": "167892", "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": "2019-08-21"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "S67_89-99.pdf", "filesize": [{"value": "762.4 kB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_free", "mimetype": "application/pdf", "size": 762400.0, "url": {"label": "S67_89-99.pdf", "url": "https://niigata-u.repo.nii.ac.jp/record/30242/files/S67_89-99.pdf"}, "version_id": "91e87b42-b22b-42b0-a3d1-23a1a24430db"}]}, "item_language": {"attribute_name": "言語", "attribute_value_mlt": [{"subitem_language": "jpn"}]}, "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": "混成k木集合，混成k^^-木集合とその性質（I）", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "混成k木集合，混成k^^-木集合とその性質（I）"}, {"subitem_title": "混成k木集合，混成k^^-木集合とその性質（I）", "subitem_title_language": "en"}]}, "item_type_id": "7", "owner": "1", "path": ["456", "1290"], "permalink_uri": "http://hdl.handle.net/10191/22366", "pubdate": {"attribute_name": "公開日", "attribute_value": "2013-05-17"}, "publish_date": "2013-05-17", "publish_status": "0", "recid": "30242", "relation": {}, "relation_version_is_last": true, "title": ["混成k木集合，混成k^^-木集合とその性質（I）"], "weko_shared_id": null}