{"id":"https://openalex.org/W1972726335","doi":"https://doi.org/10.1007/bf02235468","title":"Lineare positive Operatoren und Fehlerabsch\u00e4tzungen bei Operatorgleichungen","display_name":"Lineare positive Operatoren und Fehlerabsch\u00e4tzungen bei Operatorgleichungen","publication_year":1969,"publication_date":"1969-12-01","ids":{"openalex":"https://openalex.org/W1972726335","doi":"https://doi.org/10.1007/bf02235468","mag":"1972726335"},"language":"de","primary_location":{"id":"doi:10.1007/bf02235468","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf02235468","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/A5016830893","display_name":"H. Schwetlick","orcid":null},"institutions":[{"id":"https://openalex.org/I4210154291","display_name":"Deutsche Telekom (South Africa)","ror":"https://ror.org/04ffrf281","country_code":"ZA","type":"company","lineage":["https://openalex.org/I4210093367","https://openalex.org/I4210154291"]},{"id":"https://openalex.org/I78650965","display_name":"Technische Universit\u00e4t Dresden","ror":"https://ror.org/042aqky30","country_code":"DE","type":"education","lineage":["https://openalex.org/I78650965"]}],"countries":["DE","ZA"],"is_corresponding":true,"raw_author_name":"H. Schwetlick","raw_affiliation_strings":["Sektion Mathematik, Technische Universit\u00e4t Dresden, Zellescher Weg 12-14, DX-8027, Resden, Deutsche Demokratische Republik","Sektion Mathematik, Technische Universit\u00e4t Dresden, Resden, Deutsche Demokratische Republik"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sektion Mathematik, Technische Universit\u00e4t Dresden, Zellescher Weg 12-14, DX-8027, Resden, Deutsche Demokratische Republik","institution_ids":["https://openalex.org/I4210154291","https://openalex.org/I78650965"]},{"raw_affiliation_string":"Sektion Mathematik, Technische Universit\u00e4t Dresden, Resden, Deutsche Demokratische Republik","institution_ids":["https://openalex.org/I78650965"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5016830893"],"corresponding_institution_ids":["https://openalex.org/I4210154291","https://openalex.org/I78650965"],"apc_list":{"value":2890,"currency":"USD","value_usd":2890},"apc_paid":null,"fwci":1.12,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.71624088,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"4","issue":"4","first_page":"345","last_page":"358"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11205","display_name":"Numerical methods in inverse problems","score":0.9939000010490417,"subfield":{"id":"https://openalex.org/subfields/2610","display_name":"Mathematical Physics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11205","display_name":"Numerical methods in inverse problems","score":0.9939000010490417,"subfield":{"id":"https://openalex.org/subfields/2610","display_name":"Mathematical Physics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12809","display_name":"Contact Mechanics and Variational Inequalities","score":0.9760000109672546,"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/T12959","display_name":"Engineering and Materials Science Studies","score":0.9718999862670898,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"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/humanities","display_name":"Humanities","score":0.6679472923278809},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.48280227184295654},{"id":"https://openalex.org/keywords/political-science","display_name":"Political science","score":0.43047207593917847},{"id":"https://openalex.org/keywords/philosophy","display_name":"Philosophy","score":0.3782500624656677}],"concepts":[{"id":"https://openalex.org/C15708023","wikidata":"https://www.wikidata.org/wiki/Q80083","display_name":"Humanities","level":1,"score":0.6679472923278809},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.48280227184295654},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.43047207593917847},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.3782500624656677}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/bf02235468","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf02235468","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/W28917009","https://openalex.org/W1984461084","https://openalex.org/W1997751885","https://openalex.org/W2003874227","https://openalex.org/W2016763994","https://openalex.org/W2030641748","https://openalex.org/W2035697028","https://openalex.org/W2046344786","https://openalex.org/W2077226518","https://openalex.org/W2079288666","https://openalex.org/W2093087097","https://openalex.org/W2569133694","https://openalex.org/W3035235874","https://openalex.org/W4205163428"],"related_works":["https://openalex.org/W2899084033","https://openalex.org/W2748952813","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"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-07-23T08:03:31.855105","created_date":"2025-10-10T00:00:00"}
