{"id":"https://openalex.org/W299802159","doi":null,"title":"Sums of Squares and Cubes.","display_name":"Sums of Squares and Cubes.","publication_year":1990,"publication_date":"1990-01-01","ids":{"openalex":"https://openalex.org/W299802159","mag":"299802159"},"language":"en","primary_location":{"id":"mag:299802159","doi":null,"is_oa":false,"landing_page_url":"https://eric.ed.gov/?id=EJ413949","pdf_url":null,"source":{"id":"https://openalex.org/S2764516400","display_name":"Mathematics in school","issn_l":"0305-7259","issn":["0305-7259"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310315682","host_organization_name":"University of Hawaii Press","host_organization_lineage":["https://openalex.org/P4310315682"],"host_organization_lineage_names":["University of Hawaii Press"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Mathematics in school","raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5111369966","display_name":"Doug French","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Doug French","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5111369966"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.7462,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.53548086,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"19","issue":"3","first_page":"34","last_page":"37"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11166","display_name":"Analytic Number Theory Research","score":0.31450000405311584,"subfield":{"id":"https://openalex.org/subfields/2602","display_name":"Algebra and Number Theory"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11166","display_name":"Analytic Number Theory Research","score":0.31450000405311584,"subfield":{"id":"https://openalex.org/subfields/2602","display_name":"Algebra and Number Theory"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12522","display_name":"Mathematics Education and Pedagogy","score":0.19040000438690186,"subfield":{"id":"https://openalex.org/subfields/3304","display_name":"Education"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12504","display_name":"Mathematics and Applications","score":0.1671999990940094,"subfield":{"id":"https://openalex.org/subfields/2608","display_name":"Geometry and Topology"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/sum-of-squares","display_name":"sums of squares","score":0.9940000176429749},{"id":"https://openalex.org/keywords/sums-of-cubes","display_name":"sums of cubes","score":0.9980000257492065},{"id":"https://openalex.org/keywords/number-theory","display_name":"number theory","score":0.5860000252723694},{"id":"https://openalex.org/keywords/diophantine-equations","display_name":"Diophantine equations","score":0.6499999761581421},{"id":"https://openalex.org/keywords/perfect-powers","display_name":"perfect powers","score":0.3449999988079071}],"concepts":[{"id":"https://openalex.org/C145420912","wikidata":"https://www.wikidata.org/wiki/Q853077","display_name":"Mathematics education","level":1,"score":0.5718728303909302},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5381840467453003},{"id":"https://openalex.org/C9936470","wikidata":"https://www.wikidata.org/wiki/Q6510405","display_name":"Least-squares function approximation","level":3,"score":0.41171568632125854},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.24902519583702087},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:299802159","doi":null,"is_oa":false,"landing_page_url":"https://eric.ed.gov/?id=EJ413949","pdf_url":null,"source":{"id":"https://openalex.org/S2764516400","display_name":"Mathematics in school","issn_l":"0305-7259","issn":["0305-7259"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310315682","host_organization_name":"University of Hawaii Press","host_organization_lineage":["https://openalex.org/P4310315682"],"host_organization_lineage_names":["University of Hawaii Press"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Mathematics in school","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2993082617","https://openalex.org/W2477116859","https://openalex.org/W2314071553","https://openalex.org/W2475305593","https://openalex.org/W2797547096","https://openalex.org/W2586055238","https://openalex.org/W343621962","https://openalex.org/W4380793279","https://openalex.org/W2479081230","https://openalex.org/W224370466"],"abstract_inverted_index":null,"counts_by_year":[{"year":2012,"cited_by_count":1}],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2016-06-24T00:00:00"}
