{"id":"https://openalex.org/W2092311296","doi":"https://doi.org/10.1002/malq.19890350102","title":"Embedding Lattices with Top Preserved Below Non\u2010<i>GL</i><sub>2</sub> Degrees","display_name":"Embedding Lattices with Top Preserved Below Non\u2010<i>GL</i><sub>2</sub> Degrees","publication_year":1989,"publication_date":"1989-01-01","ids":{"openalex":"https://openalex.org/W2092311296","doi":"https://doi.org/10.1002/malq.19890350102","mag":"2092311296"},"language":"en","primary_location":{"id":"doi:10.1002/malq.19890350102","is_oa":false,"landing_page_url":"https://doi.org/10.1002/malq.19890350102","pdf_url":null,"source":{"id":"https://openalex.org/S172351290","display_name":"Mathematical logic quarterly","issn_l":"0942-5616","issn":["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/A5015766241","display_name":"Peter A. Fejer","orcid":null},"institutions":[{"id":"https://openalex.org/I33434090","display_name":"University of Massachusetts Boston","ror":"https://ror.org/04ydmy275","country_code":"US","type":"education","lineage":["https://openalex.org/I33434090"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Peter A. Fejer","raw_affiliation_strings":["Department of Mathematics and Computer Science, University of Massachusetts at Boston Boston, MA 02125 U.S.A"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics and Computer Science, University of Massachusetts at Boston Boston, MA 02125 U.S.A","institution_ids":["https://openalex.org/I33434090"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5015766241"],"corresponding_institution_ids":["https://openalex.org/I33434090"],"apc_list":{"value":2630,"currency":"USD","value_usd":2630},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.24600925,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"35","issue":"1","first_page":"3","last_page":"14"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12002","display_name":"Computability, Logic, AI Algorithms","score":0.9998999834060669,"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/T12002","display_name":"Computability, Logic, AI Algorithms","score":0.9998999834060669,"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/T11567","display_name":"semigroups and automata theory","score":0.9990000128746033,"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/T11727","display_name":"Advanced Algebra and Logic","score":0.9957000017166138,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.47368481755256653},{"id":"https://openalex.org/keywords/embedding","display_name":"Embedding","score":0.46344757080078125},{"id":"https://openalex.org/keywords/recursively-enumerable-language","display_name":"Recursively enumerable language","score":0.45950764417648315},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.3977229595184326},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.3893631100654602},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.37908363342285156},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1767716407775879}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.47368481755256653},{"id":"https://openalex.org/C41608201","wikidata":"https://www.wikidata.org/wiki/Q980509","display_name":"Embedding","level":2,"score":0.46344757080078125},{"id":"https://openalex.org/C203702658","wikidata":"https://www.wikidata.org/wiki/Q1073063","display_name":"Recursively enumerable language","level":2,"score":0.45950764417648315},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.3977229595184326},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.3893631100654602},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.37908363342285156},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1767716407775879}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1002/malq.19890350102","is_oa":false,"landing_page_url":"https://doi.org/10.1002/malq.19890350102","pdf_url":null,"source":{"id":"https://openalex.org/S172351290","display_name":"Mathematical logic quarterly","issn_l":"0942-5616","issn":["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/11","display_name":"Sustainable cities and communities","score":0.4699999988079071}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W44015752","https://openalex.org/W243218583","https://openalex.org/W1994697128","https://openalex.org/W2006726677","https://openalex.org/W2045263624","https://openalex.org/W2046729032","https://openalex.org/W2046907394","https://openalex.org/W2056414301","https://openalex.org/W2075451552","https://openalex.org/W2079464688","https://openalex.org/W2088993859","https://openalex.org/W2101746971","https://openalex.org/W2110093303","https://openalex.org/W2144999713","https://openalex.org/W2166032841","https://openalex.org/W2213438832","https://openalex.org/W2281874727","https://openalex.org/W2500837594","https://openalex.org/W4232277851","https://openalex.org/W4234007101","https://openalex.org/W4240602437","https://openalex.org/W4247092801","https://openalex.org/W6669470241"],"related_works":["https://openalex.org/W2072965782","https://openalex.org/W2140918173","https://openalex.org/W1992460182","https://openalex.org/W2135152748","https://openalex.org/W2132951762","https://openalex.org/W1971810444","https://openalex.org/W2078696977","https://openalex.org/W2142539551","https://openalex.org/W2007089758","https://openalex.org/W2039793369"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-02-24T19:35:01.260952","created_date":"2025-10-10T00:00:00"}