{"id":"https://openalex.org/W2051998168","doi":"https://doi.org/10.1007/bf02573980","title":"Oriented matroids with few mutations","display_name":"Oriented matroids with few mutations","publication_year":1993,"publication_date":"1993-09-01","ids":{"openalex":"https://openalex.org/W2051998168","doi":"https://doi.org/10.1007/bf02573980","mag":"2051998168"},"language":"en","primary_location":{"id":"doi:10.1007/bf02573980","is_oa":true,"landing_page_url":"https://doi.org/10.1007/bf02573980","pdf_url":"https://link.springer.com/content/pdf/10.1007/BF02573980.pdf","source":{"id":"https://openalex.org/S103671469","display_name":"Discrete & Computational Geometry","issn_l":"0179-5376","issn":["0179-5376","1432-0444"],"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":"Discrete &amp; Computational Geometry","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://link.springer.com/content/pdf/10.1007/BF02573980.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5070071334","display_name":"J\u00fcrgen Richter-Gebert","orcid":null},"institutions":[{"id":"https://openalex.org/I106618798","display_name":"Beiersdorf (Germany)","ror":"https://ror.org/04aqg9s78","country_code":"DE","type":"company","lineage":["https://openalex.org/I106618798"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"J\u00fcrgen Richter-Gebert","raw_affiliation_strings":["Auf dem Wingert 3, D-64380, Ro\u00dfdorf, Federal Republic of Germany",", Ro\u03b2dorf, Federal Republic of Germany D-64380#TAB#"],"affiliations":[{"raw_affiliation_string":"Auf dem Wingert 3, D-64380, Ro\u00dfdorf, Federal Republic of Germany","institution_ids":[]},{"raw_affiliation_string":", Ro\u03b2dorf, Federal Republic of Germany D-64380#TAB#","institution_ids":["https://openalex.org/I106618798"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5070071334"],"corresponding_institution_ids":["https://openalex.org/I106618798"],"apc_list":{"value":2290,"currency":"EUR","value_usd":2890},"apc_paid":null,"fwci":3.2143,"has_fulltext":true,"cited_by_count":27,"citation_normalized_percentile":{"value":0.90916991,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"10","issue":"3","first_page":"251","last_page":"269"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11797","display_name":"graph theory and CDMA systems","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11797","display_name":"graph theory and CDMA systems","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11130","display_name":"Coding theory and cryptography","score":0.9847999811172485,"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/T10374","display_name":"Advanced Graph Theory Research","score":0.9764999747276306,"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":0.8355633616447449},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.802440345287323},{"id":"https://openalex.org/keywords/hyperplane","display_name":"Hyperplane","score":0.7901747822761536},{"id":"https://openalex.org/keywords/matroid","display_name":"Matroid","score":0.7651386260986328},{"id":"https://openalex.org/keywords/h-vector","display_name":"h-vector","score":0.6612927913665771},{"id":"https://openalex.org/keywords/conjecture","display_name":"Conjecture","score":0.6211365461349487},{"id":"https://openalex.org/keywords/abstract-simplicial-complex","display_name":"Abstract simplicial complex","score":0.605025589466095},{"id":"https://openalex.org/keywords/simplicial-complex","display_name":"Simplicial complex","score":0.5848420858383179},{"id":"https://openalex.org/keywords/simplicial-manifold","display_name":"Simplicial manifold","score":0.5633755922317505},{"id":"https://openalex.org/keywords/simplicial-approximation-theorem","display_name":"Simplicial approximation theorem","score":0.5114558935165405},{"id":"https://openalex.org/keywords/rank","display_name":"Rank (graph theory)","score":0.47235211730003357},{"id":"https://openalex.org/keywords/plane","display_name":"Plane (geometry)","score":0.470054030418396},{"id":"https://openalex.org/keywords/projective-plane","display_name":"Projective plane","score":0.4432033598423004},{"id":"https://openalex.org/keywords/simplicial-set","display_name":"Simplicial set","score":0.24635818600654602},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.17801159620285034},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.09656590223312378},{"id":"https://openalex.org/keywords/homotopy","display_name":"Homotopy","score":0.08434942364692688}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8355633616447449},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.802440345287323},{"id":"https://openalex.org/C68693459","wikidata":"https://www.wikidata.org/wiki/Q657586","display_name":"Hyperplane","level":2,"score":0.7901747822761536},{"id":"https://openalex.org/C106286213","wikidata":"https://www.wikidata.org/wiki/Q898572","display_name":"Matroid","level":2,"score":0.7651386260986328},{"id":"https://openalex.org/C127634017","wikidata":"https://www.wikidata.org/wiki/Q5627866","display_name":"h-vector","level":3,"score":0.6612927913665771},{"id":"https://openalex.org/C2780990831","wikidata":"https://www.wikidata.org/wiki/Q319141","display_name":"Conjecture","level":2,"score":0.6211365461349487},{"id":"https://openalex.org/C146867743","wikidata":"https://www.wikidata.org/wiki/Q4669959","display_name":"Abstract simplicial complex","level":3,"score":0.605025589466095},{"id":"https://openalex.org/C187929450","wikidata":"https://www.wikidata.org/wiki/Q994399","display_name":"Simplicial complex","level":2,"score":0.5848420858383179},{"id":"https://openalex.org/C97172818","wikidata":"https://www.wikidata.org/wiki/Q7520904","display_name":"Simplicial manifold","level":5,"score":0.5633755922317505},{"id":"https://openalex.org/C64245159","wikidata":"https://www.wikidata.org/wiki/Q3983972","display_name":"Simplicial approximation theorem","level":5,"score":0.5114558935165405},{"id":"https://openalex.org/C164226766","wikidata":"https://www.wikidata.org/wiki/Q7293202","display_name":"Rank (graph theory)","level":2,"score":0.47235211730003357},{"id":"https://openalex.org/C17825722","wikidata":"https://www.wikidata.org/wiki/Q17285","display_name":"Plane (geometry)","level":2,"score":0.470054030418396},{"id":"https://openalex.org/C39290043","wikidata":"https://www.wikidata.org/wiki/Q1475760","display_name":"Projective plane","level":3,"score":0.4432033598423004},{"id":"https://openalex.org/C155366967","wikidata":"https://www.wikidata.org/wiki/Q1467124","display_name":"Simplicial set","level":4,"score":0.24635818600654602},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.17801159620285034},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.09656590223312378},{"id":"https://openalex.org/C5961521","wikidata":"https://www.wikidata.org/wiki/Q746083","display_name":"Homotopy","level":2,"score":0.08434942364692688},{"id":"https://openalex.org/C79236096","wikidata":"https://www.wikidata.org/wiki/Q14775269","display_name":"Homotopy category","level":3,"score":0.0},{"id":"https://openalex.org/C117220453","wikidata":"https://www.wikidata.org/wiki/Q5172842","display_name":"Correlation","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/bf02573980","is_oa":true,"landing_page_url":"https://doi.org/10.1007/bf02573980","pdf_url":"https://link.springer.com/content/pdf/10.1007/BF02573980.pdf","source":{"id":"https://openalex.org/S103671469","display_name":"Discrete & Computational Geometry","issn_l":"0179-5376","issn":["0179-5376","1432-0444"],"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":"Discrete &amp; Computational Geometry","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1007/bf02573980","is_oa":true,"landing_page_url":"https://doi.org/10.1007/bf02573980","pdf_url":"https://link.springer.com/content/pdf/10.1007/BF02573980.pdf","source":{"id":"https://openalex.org/S103671469","display_name":"Discrete & Computational Geometry","issn_l":"0179-5376","issn":["0179-5376","1432-0444"],"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":"Discrete &amp; Computational Geometry","raw_type":"journal-article"},"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":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2051998168.pdf","grobid_xml":"https://content.openalex.org/works/W2051998168.grobid-xml"},"referenced_works_count":14,"referenced_works":["https://openalex.org/W1965060262","https://openalex.org/W1987391904","https://openalex.org/W1988235646","https://openalex.org/W2022587730","https://openalex.org/W2029787168","https://openalex.org/W2036993874","https://openalex.org/W2065334221","https://openalex.org/W2088377437","https://openalex.org/W2103843044","https://openalex.org/W2160283861","https://openalex.org/W2169964297","https://openalex.org/W2971330320","https://openalex.org/W4210626175","https://openalex.org/W4212938248"],"related_works":["https://openalex.org/W4288359443","https://openalex.org/W2149807338","https://openalex.org/W2969857904","https://openalex.org/W401177922","https://openalex.org/W2962940227","https://openalex.org/W2943582562","https://openalex.org/W1968035417","https://openalex.org/W2899237853","https://openalex.org/W2399269288","https://openalex.org/W230527091"],"abstract_inverted_index":null,"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
