{"_buckets": {"deposit": "1de23872-1c34-4a21-b27b-3072d6f7763b"}, "_deposit": {"id": "5358", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "5358"}, "status": "published"}, "_oai": {"id": "oai:niigata-u.repo.nii.ac.jp:00005358"}, "item_6_alternative_title_1": {"attribute_name": "\u305d\u306e\u4ed6\u306e\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_alternative_title": "\u66f2\u7387\u304c\u4e0b\u306b\u6709\u754c\u306a\u591a\u89d2\u5f62\u66f2\u9762\u306e\u30b7\u30e5\u30bf\u30a4\u30ca\u30fc\u6728\u306e\u6bd4\u8f03\u5b9a\u7406"}]}, "item_6_biblio_info_6": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2013-03-25", "bibliographicIssueDateType": "Issued"}, "bibliographicPageEnd": "48", "bibliographicPageStart": "1", "bibliographic_titles": [{}]}]}, "item_6_date_granted_51": {"attribute_name": "\u5b66\u4f4d\u6388\u4e0e\u5e74\u6708\u65e5", "attribute_value_mlt": [{"subitem_dategranted": "2013-03-25"}]}, "item_6_degree_grantor_49": {"attribute_name": "\u5b66\u4f4d\u6388\u4e0e\u6a5f\u95a2", "attribute_value_mlt": [{"subitem_degreegrantor": [{"subitem_degreegrantor_name": "\u65b0\u6f5f\u5927\u5b66"}]}]}, "item_6_degree_name_48": {"attribute_name": "\u5b66\u4f4d\u540d", "attribute_value_mlt": [{"subitem_degreename": "\u535a\u58eb\uff08\u7406\u5b66\uff09"}]}, "item_6_description_4": {"attribute_name": "\u6284\u9332", "attribute_value_mlt": [{"subitem_description": "Let D be a compact polygonal Alexandrov surface with curvature bounded below by k. We study the minimum network problem of interconnecting the vertices of the boundary polygon \u2202D in D. We construct a smooth polygonal surface D^^~ with constant curvature k such that the length of its minimum spanning trees is equal to that of D and the length of its Steiner minimum trees is less than or equal to D\u0027s. As an application we show a comparison theorem of Steiner ratios for polygonal surfaces.", "subitem_description_type": "Abstract"}]}, "item_6_description_5": {"attribute_name": "\u5185\u5bb9\u8a18\u8ff0", "attribute_value_mlt": [{"subitem_description": "\u5b66\u4f4d\u306e\u7a2e\u985e: \u535a\u58eb\uff08\u7406\u5b66\uff09. \u5831\u544a\u756a\u53f7: \u7532\u7b2c3776\u53f7. \u5b66\u4f4d\u8a18\u756a\u53f7: \u65b0\u5927\u9662\u535a\uff08\u7406\uff09\u7532\u7b2c376\u53f7. \u5b66\u4f4d\u6388\u4e0e\u5e74\u6708\u65e5: \u5e73\u621025\u5e743\u670825\u65e5", "subitem_description_type": "Other"}]}, "item_6_description_53": {"attribute_name": "\u5b66\u4f4d\u8a18\u756a\u53f7", "attribute_value_mlt": [{"subitem_description": "\u65b0\u5927\u9662\u535a\uff08\u7406\uff09\u7532\u7b2c376\u53f7", "subitem_description_type": "Other"}]}, "item_6_dissertation_number_52": {"attribute_name": "\u5b66\u4f4d\u6388\u4e0e\u756a\u53f7", "attribute_value_mlt": [{"subitem_dissertationnumber": "13101A3776"}]}, "item_6_full_name_3": {"attribute_name": "\u8457\u8005\u5225\u540d", "attribute_value_mlt": [{"nameIdentifiers": [{"nameIdentifier": "50146", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "\u7d0d\u8c37, \u4f38\u592a\u90ce"}]}]}, "item_6_publisher_7": {"attribute_name": "\u51fa\u7248\u8005", "attribute_value_mlt": [{"subitem_publisher": "\u65b0\u6f5f\u5927\u5b66"}]}, "item_6_select_19": {"attribute_name": "\u8457\u8005\u7248\u30d5\u30e9\u30b0", "attribute_value_mlt": [{"subitem_select_item": "ETD"}]}, "item_creator": {"attribute_name": "\u8457\u8005", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "Naya, Shintaro"}], "nameIdentifiers": [{"nameIdentifier": "50145", "nameIdentifierScheme": "WEKO"}]}]}, "item_files": {"attribute_name": "\u30d5\u30a1\u30a4\u30eb\u60c5\u5831", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "2019-08-05"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "D_S_R_K376.pdf", "filesize": [{"value": "377.8 kB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_free", "mimetype": "application/pdf", "size": 377800.0, "url": {"label": "\u672c\u6587", "url": "https://niigata-u.repo.nii.ac.jp/record/5358/files/D_S_R_K376.pdf"}, "version_id": "ee95e219-b9e2-419e-b258-f2ed7f3a15dd"}]}, "item_language": {"attribute_name": "\u8a00\u8a9e", "attribute_value_mlt": [{"subitem_language": "eng"}]}, "item_resource_type": {"attribute_name": "\u8cc7\u6e90\u30bf\u30a4\u30d7", "attribute_value_mlt": [{"resourcetype": "thesis", "resourceuri": "http://purl.org/coar/resource_type/c_46ec"}]}, "item_title": "A comparison theorem for Steiner minimum trees in polygonal surfaces with curvature bounded below", "item_titles": {"attribute_name": "\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_title": "A comparison theorem for Steiner minimum trees in polygonal surfaces with curvature bounded below"}, {"subitem_title": "A comparison theorem for Steiner minimum trees in polygonal surfaces with curvature bounded below", "subitem_title_language": "en"}]}, "item_type_id": "6", "owner": "1", "path": ["453/455", "468/563/564"], "permalink_uri": "http://hdl.handle.net/10191/24082", "pubdate": {"attribute_name": "\u516c\u958b\u65e5", "attribute_value": "2013-11-20"}, "publish_date": "2013-11-20", "publish_status": "0", "recid": "5358", "relation": {}, "relation_version_is_last": true, "title": ["A comparison theorem for Steiner minimum trees in polygonal surfaces with curvature bounded below"], "weko_shared_id": 2}