{"id":"https://openalex.org/W105504140","doi":"https://doi.org/10.1007/bf02268390","title":"Testmatrizen mit maximaler Konditionszahl","display_name":"Testmatrizen mit maximaler Konditionszahl","publication_year":1974,"publication_date":"1974-03-01","ids":{"openalex":"https://openalex.org/W105504140","doi":"https://doi.org/10.1007/bf02268390","mag":"105504140"},"language":"de","primary_location":{"id":"doi:10.1007/bf02268390","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf02268390","pdf_url":null,"source":{"id":"https://openalex.org/S35593046","display_name":"Computing","issn_l":"0010-485X","issn":["0010-485X","1436-5057"],"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":"Computing","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/A5049338059","display_name":"Gerhard Zielke","orcid":null},"institutions":[{"id":"https://openalex.org/I18860807","display_name":"Wittenberg University","ror":"https://ror.org/04a23br85","country_code":"US","type":"education","lineage":["https://openalex.org/I18860807"]},{"id":"https://openalex.org/I68956291","display_name":"Martin Luther University Halle-Wittenberg","ror":"https://ror.org/05gqaka33","country_code":"DE","type":"education","lineage":["https://openalex.org/I68956291"]}],"countries":["DE","US"],"is_corresponding":true,"raw_author_name":"G. Zielke","raw_affiliation_strings":["Sektion Mathematik, Martin-Luther-Universit\u00e4t, Halle-Wittenberg Weinberg, DDR-402, Halle a. d. Saale, Deutsche Demokratische Republik","Sektion Mathematik, Martin-Luther-Universit\u00e4t, Halle a. d. Saale, Deutsche Demokratische Republik"],"affiliations":[{"raw_affiliation_string":"Sektion Mathematik, Martin-Luther-Universit\u00e4t, Halle-Wittenberg Weinberg, DDR-402, Halle a. d. Saale, Deutsche Demokratische Republik","institution_ids":["https://openalex.org/I68956291","https://openalex.org/I18860807"]},{"raw_affiliation_string":"Sektion Mathematik, Martin-Luther-Universit\u00e4t, Halle a. d. Saale, Deutsche Demokratische Republik","institution_ids":["https://openalex.org/I68956291"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5049338059"],"corresponding_institution_ids":["https://openalex.org/I18860807","https://openalex.org/I68956291"],"apc_list":{"value":2290,"currency":"EUR","value_usd":2890},"apc_paid":null,"fwci":0.82,"has_fulltext":false,"cited_by_count":18,"citation_normalized_percentile":{"value":0.68377597,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"13","issue":"1","first_page":"33","last_page":"54"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12565","display_name":"Physics and Engineering Research Articles","score":0.972100019454956,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T12565","display_name":"Physics and Engineering Research Articles","score":0.972100019454956,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.49238383769989014},{"id":"https://openalex.org/keywords/gynecology","display_name":"Gynecology","score":0.43395358324050903},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.14045000076293945}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.49238383769989014},{"id":"https://openalex.org/C29456083","wikidata":"https://www.wikidata.org/wiki/Q1221899","display_name":"Gynecology","level":1,"score":0.43395358324050903},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.14045000076293945}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/bf02268390","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf02268390","pdf_url":null,"source":{"id":"https://openalex.org/S35593046","display_name":"Computing","issn_l":"0010-485X","issn":["0010-485X","1436-5057"],"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":"Computing","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":14,"referenced_works":["https://openalex.org/W384437869","https://openalex.org/W652651798","https://openalex.org/W1969689395","https://openalex.org/W1989959249","https://openalex.org/W2012226077","https://openalex.org/W2012466053","https://openalex.org/W2025786274","https://openalex.org/W2029251166","https://openalex.org/W2048708020","https://openalex.org/W2058852301","https://openalex.org/W2062794925","https://openalex.org/W2066378723","https://openalex.org/W2155917276","https://openalex.org/W2317482499"],"related_works":["https://openalex.org/W2935759653","https://openalex.org/W3105167352","https://openalex.org/W54078636","https://openalex.org/W2954470139","https://openalex.org/W1501425562","https://openalex.org/W2902782467","https://openalex.org/W3084825885","https://openalex.org/W2298861036","https://openalex.org/W3148032049","https://openalex.org/W2271181815"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
