{"_buckets": {"deposit": "dfd9cb0e-c0e2-4b3d-812d-857d04fc2111"}, "_deposit": {"created_by": 24, "id": "14591", "owners": [24], "pid": {"revision_id": 0, "type": "depid", "value": "14591"}, "status": "published"}, "_oai": {"id": "oai:ir.kagoshima-u.ac.jp:00014591", "sets": ["42", "5893"]}, "author_link": ["132923", "132925", "132924"], "item_7_biblio_info_5": {"attribute_name": "収録雑誌名", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2019-03-11", "bibliographicIssueDateType": "Issued"}, "bibliographicPageEnd": "6", "bibliographicPageStart": "1", "bibliographicVolumeNumber": "710", "bibliographic_titles": [{"bibliographic_title": "鹿児島大学教育学部研究紀要. 自然科学編"}, {"bibliographic_title": "Bulletin of the Faculty of Education, Kagoshima University. Natural science", "bibliographic_titleLang": "en"}]}]}, "item_7_description_4": {"attribute_name": "要約(Abstract)", "attribute_value_mlt": [{"subitem_description": "A parent-child relationship for Pytagorean triplets are studied. This relationship introduces a directedgraph.First we present a characterization of root nodes of the graph. Next we show every offspring of a root node is an innite subgraph. Then we give a useful program which computes vertices and edges of the graph. 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