{"id":"https://openalex.org/W2016862716","doi":"https://doi.org/10.1002/malq.19740201904","title":"Reduzierungen Unentscheidbarer Formaler Sprachen \u00dcber Induktiv Definierten Bereichen","display_name":"Reduzierungen Unentscheidbarer Formaler Sprachen \u00dcber Induktiv Definierten Bereichen","publication_year":1974,"publication_date":"1974-01-01","ids":{"openalex":"https://openalex.org/W2016862716","doi":"https://doi.org/10.1002/malq.19740201904","mag":"2016862716"},"language":"de","primary_location":{"id":"doi:10.1002/malq.19740201904","doi":"https://doi.org/10.1002/malq.19740201904","is_oa":false,"landing_page_url":"https://doi.org/10.1002/malq.19740201904","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,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-c","jufo-1","norway-1","poland-100","russia-white-list-4"],"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"},"volume":null,"type":"article","is_traditional":true,"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/A5043773439","display_name":"Michael Deutsch","orcid":"https://orcid.org/0009-0002-9738-652X","observed_orcids":["https://orcid.org/0009-0002-9738-652X"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Michael Deutsch","raw_affiliation_strings":["Gie\u00dfen (BRD)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Gie\u00dfen (BRD)","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5043773439"],"corresponding_institution_ids":[],"apc_list":{"value":2900,"currency":"USD","value_usd":2900},"apc_paid":null,"fwci":2.0341,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.85489221,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"20","issue":"19-22","first_page":"325","last_page":"338"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12002","display_name":"Computability, Logic, AI Algorithms","score":0.7343999743461609,"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":0.7343999743461609,"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":0.1907999962568283,"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/T11151","display_name":"Advanced Topology and Set Theory","score":0.048700001090765,"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/reduction","display_name":"reduction","score":0.7049999833106995},{"id":"https://openalex.org/keywords/undecidability","display_name":"undecidability","score":0.5709999799728394},{"id":"https://openalex.org/keywords/formal-languages","display_name":"formal languages","score":0.5490000247955322}],"concepts":[{"id":"https://openalex.org/C2778805511","wikidata":"https://www.wikidata.org/wiki/Q1713","display_name":"Citation","level":2,"score":0.624108076095581},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4235677123069763},{"id":"https://openalex.org/C161191863","wikidata":"https://www.wikidata.org/wiki/Q199655","display_name":"Library science","level":1,"score":0.3634262681007385},{"id":"https://openalex.org/C15708023","wikidata":"https://www.wikidata.org/wiki/Q80083","display_name":"Humanities","level":1,"score":0.324277400970459},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.1826518177986145}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1002/malq.19740201904","doi":"https://doi.org/10.1002/malq.19740201904","is_oa":false,"landing_page_url":"https://doi.org/10.1002/malq.19740201904","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,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-c","jufo-1","norway-1","poland-100","russia-white-list-4"],"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":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1964691638","https://openalex.org/W1983561917","https://openalex.org/W1989420866","https://openalex.org/W2009263768","https://openalex.org/W2018632099","https://openalex.org/W2035004935","https://openalex.org/W2064803920","https://openalex.org/W2073229248","https://openalex.org/W2096478770","https://openalex.org/W2143923730","https://openalex.org/W2562830775","https://openalex.org/W3130727218","https://openalex.org/W4231159373","https://openalex.org/W4238365745","https://openalex.org/W6674307494"],"related_works":["https://openalex.org/W2125931828","https://openalex.org/W2111611413","https://openalex.org/W2672266035","https://openalex.org/W2016722102","https://openalex.org/W2083334741","https://openalex.org/W2138292854","https://openalex.org/W2022752058","https://openalex.org/W1998964218","https://openalex.org/W3195484406","https://openalex.org/W2495807206"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2016-06-24T00:00:00"}
