{"id":"https://openalex.org/W2056764819","doi":"https://doi.org/10.1002/malq.19780241904","title":"Associative Ordinal Functions, Well Partial Orderings and a Problem of Skolem","display_name":"Associative Ordinal Functions, Well Partial Orderings and a Problem of Skolem","publication_year":1978,"publication_date":"1978-01-01","ids":{"openalex":"https://openalex.org/W2056764819","doi":"https://doi.org/10.1002/malq.19780241904","mag":"2056764819"},"language":"en","primary_location":{"id":"doi:10.1002/malq.19780241904","is_oa":false,"landing_page_url":"https://doi.org/10.1002/malq.19780241904","pdf_url":null,"source":{"id":"https://openalex.org/S172351290","display_name":"Mathematical logic quarterly","issn_l":"0044-3050","issn":["0044-3050","0942-5616","1521-3870"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Mathematical Logic Quarterly","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/A5113901306","display_name":"Diana Schmidt","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Diana Schmidt","raw_affiliation_strings":["Heidelberg (G.F.R.)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Heidelberg (G.F.R.)","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5113901306"],"corresponding_institution_ids":[],"apc_list":{"value":2900,"currency":"USD","value_usd":2900},"apc_paid":null,"fwci":0.5243,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.64745509,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":97},"biblio":{"volume":"24","issue":"19-24","first_page":"297","last_page":"302"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11727","display_name":"Advanced Algebra and Logic","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11727","display_name":"Advanced Algebra and Logic","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.9815999865531921,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10126","display_name":"Logic, programming, and type systems","score":0.9424999952316284,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/associative-property","display_name":"Associative property","score":0.6877034902572632},{"id":"https://openalex.org/keywords/citation","display_name":"Citation","score":0.5239166021347046},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.48519542813301086},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3754814863204956},{"id":"https://openalex.org/keywords/mathematical-economics","display_name":"Mathematical economics","score":0.3746691346168518},{"id":"https://openalex.org/keywords/arithmetic","display_name":"Arithmetic","score":0.3671608567237854},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.349393367767334},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.3425593078136444},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.3384799659252167},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.13460761308670044},{"id":"https://openalex.org/keywords/library-science","display_name":"Library science","score":0.13025957345962524}],"concepts":[{"id":"https://openalex.org/C159423971","wikidata":"https://www.wikidata.org/wiki/Q177251","display_name":"Associative property","level":2,"score":0.6877034902572632},{"id":"https://openalex.org/C2778805511","wikidata":"https://www.wikidata.org/wiki/Q1713","display_name":"Citation","level":2,"score":0.5239166021347046},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.48519542813301086},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3754814863204956},{"id":"https://openalex.org/C144237770","wikidata":"https://www.wikidata.org/wiki/Q747534","display_name":"Mathematical economics","level":1,"score":0.3746691346168518},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.3671608567237854},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.349393367767334},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.3425593078136444},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.3384799659252167},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.13460761308670044},{"id":"https://openalex.org/C161191863","wikidata":"https://www.wikidata.org/wiki/Q199655","display_name":"Library science","level":1,"score":0.13025957345962524}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1002/malq.19780241904","is_oa":false,"landing_page_url":"https://doi.org/10.1002/malq.19780241904","pdf_url":null,"source":{"id":"https://openalex.org/S172351290","display_name":"Mathematical logic quarterly","issn_l":"0044-3050","issn":["0044-3050","0942-5616","1521-3870"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Mathematical Logic Quarterly","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","display_name":"Quality Education","score":0.699999988079071}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1989505075","https://openalex.org/W2018765574","https://openalex.org/W2019898993","https://openalex.org/W2064130317","https://openalex.org/W2066527932","https://openalex.org/W2076508310","https://openalex.org/W2110917011","https://openalex.org/W2160414745","https://openalex.org/W4240833632"],"related_works":["https://openalex.org/W1492794944","https://openalex.org/W2980963558","https://openalex.org/W169603398","https://openalex.org/W2913274341","https://openalex.org/W2049033869","https://openalex.org/W4375958012","https://openalex.org/W1882246857","https://openalex.org/W3103304230","https://openalex.org/W2185360082","https://openalex.org/W2910844563"],"abstract_inverted_index":null,"counts_by_year":[{"year":2020,"cited_by_count":3}],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2025-10-10T00:00:00"}
