{"id":"https://openalex.org/W7154089079","doi":"https://doi.org/10.1007/s00373-026-03043-7","title":"The Galaxy of Higman\u2013Sims","display_name":"The Galaxy of Higman\u2013Sims","publication_year":2026,"publication_date":"2026-04-13","ids":{"openalex":"https://openalex.org/W7154089079","doi":"https://doi.org/10.1007/s00373-026-03043-7"},"language":"en","primary_location":{"id":"doi:10.1007/s00373-026-03043-7","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00373-026-03043-7","pdf_url":null,"source":{"id":"https://openalex.org/S186126824","display_name":"Graphs and Combinatorics","issn_l":"0911-0119","issn":["0911-0119","1435-5914"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Graphs and Combinatorics","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"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/A5117783861","display_name":"Alexander A. Ivanov","orcid":null},"institutions":[{"id":"https://openalex.org/I3129448551","display_name":"Federal Research Centre of Nutrition and Biotechnology","ror":"https://ror.org/05ssfag15","country_code":"RU","type":"facility","lineage":["https://openalex.org/I1313323035","https://openalex.org/I3129448551","https://openalex.org/I4210110862"]},{"id":"https://openalex.org/I94611258","display_name":"Hebei Normal University","ror":"https://ror.org/004rbbw49","country_code":"CN","type":"education","lineage":["https://openalex.org/I94611258"]}],"countries":["CN","RU"],"is_corresponding":true,"raw_author_name":"Alexander A. Ivanov","raw_affiliation_strings":["Federal Research Centre Computer Science and Control, Russian Academy of Sciences\u2013missing, Moscow, Russia","The School of Mathematical Sciences, Hebei Normal University, Shijiazhuang, Hebei, China"],"affiliations":[{"raw_affiliation_string":"Federal Research Centre Computer Science and Control, Russian Academy of Sciences\u2013missing, Moscow, Russia","institution_ids":["https://openalex.org/I3129448551"]},{"raw_affiliation_string":"The School of Mathematical Sciences, Hebei Normal University, Shijiazhuang, Hebei, China","institution_ids":["https://openalex.org/I94611258"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5117783861"],"corresponding_institution_ids":["https://openalex.org/I3129448551","https://openalex.org/I94611258"],"apc_list":{"value":2290,"currency":"EUR","value_usd":2890},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.95230384,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":null,"biblio":{"volume":"42","issue":"3","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10304","display_name":"Geometric and Algebraic Topology","score":0.3578999936580658,"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"}},"topics":[{"id":"https://openalex.org/T10304","display_name":"Geometric and Algebraic Topology","score":0.3578999936580658,"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"}},{"id":"https://openalex.org/T10896","display_name":"Homotopy and Cohomology in Algebraic Topology","score":0.28380000591278076,"subfield":{"id":"https://openalex.org/subfields/2610","display_name":"Mathematical Physics"},"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/T12504","display_name":"Mathematics and Applications","score":0.08060000091791153,"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/galaxy","display_name":"Galaxy","score":0.6097999811172485},{"id":"https://openalex.org/keywords/series","display_name":"Series (stratigraphy)","score":0.51910001039505},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.501800000667572},{"id":"https://openalex.org/keywords/geometric-series","display_name":"Geometric series","score":0.26989999413490295}],"concepts":[{"id":"https://openalex.org/C98444146","wikidata":"https://www.wikidata.org/wiki/Q318","display_name":"Galaxy","level":2,"score":0.6097999811172485},{"id":"https://openalex.org/C143724316","wikidata":"https://www.wikidata.org/wiki/Q312468","display_name":"Series (stratigraphy)","level":2,"score":0.51910001039505},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.501800000667572},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.44999998807907104},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4138000011444092},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.34599998593330383},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.3449999988079071},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.3253999948501587},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.28189998865127563},{"id":"https://openalex.org/C153363305","wikidata":"https://www.wikidata.org/wiki/Q1306887","display_name":"Geometric series","level":3,"score":0.26989999413490295}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s00373-026-03043-7","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00373-026-03043-7","pdf_url":null,"source":{"id":"https://openalex.org/S186126824","display_name":"Graphs and Combinatorics","issn_l":"0911-0119","issn":["0911-0119","1435-5914"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Graphs and Combinatorics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1971864279","https://openalex.org/W1981159511","https://openalex.org/W1995587074","https://openalex.org/W2027304263","https://openalex.org/W2049928120","https://openalex.org/W2060111271","https://openalex.org/W2084042678","https://openalex.org/W2090267772","https://openalex.org/W2153209884","https://openalex.org/W2166988804","https://openalex.org/W2592979851","https://openalex.org/W3168924219","https://openalex.org/W4205872699","https://openalex.org/W4232946042","https://openalex.org/W4410919449"],"related_works":[],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-04-15T05:59:14.812645","created_date":"2026-04-14T00:00:00"}
