{"id":"https://openalex.org/W1995650873","doi":"https://doi.org/10.1007/bf02741372","title":"The classification of spherically symmetric space-times","display_name":"The classification of spherically symmetric space-times","publication_year":1995,"publication_date":"1995-03-01","ids":{"openalex":"https://openalex.org/W1995650873","doi":"https://doi.org/10.1007/bf02741372","mag":"1995650873"},"language":"en","primary_location":{"id":"doi:10.1007/bf02741372","doi":"https://doi.org/10.1007/bf02741372","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf02741372","pdf_url":null,"source":{"id":"https://openalex.org/S4210168287","display_name":"Il Nuovo cimento della Societ\u00e0 italiana di fisica. B/Il Nuovo cimento B","issn_l":"1594-9982","issn":["1594-9982","1826-9877","2037-4895"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["anvur-scientific"],"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":"Il Nuovo Cimento B Series 11","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/A5078820796","display_name":"Asghar Qadir","orcid":"https://orcid.org/0000-0001-7114-2469","observed_orcids":["https://orcid.org/0000-0001-7114-2469"]},"institutions":[{"id":"https://openalex.org/I12469534","display_name":"Quaid-i-Azam University","ror":"https://ror.org/04s9hft57","country_code":"PK","type":"education","lineage":["https://openalex.org/I12469534"]}],"countries":["PK"],"is_corresponding":false,"raw_author_name":"A. Qadir","raw_affiliation_strings":["Department of Mathematics, Quaid-i-Azam University, Islamabad, Pakistan","Quaid-i-Azam University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Quaid-i-Azam University, Islamabad, Pakistan","institution_ids":["https://openalex.org/I12469534"]},{"raw_affiliation_string":"Quaid-i-Azam University","institution_ids":["https://openalex.org/I12469534"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5016560450","display_name":"M. Ziad","orcid":"https://orcid.org/0000-0003-2261-6845","observed_orcids":["https://orcid.org/0000-0003-2261-6845"]},"institutions":[{"id":"https://openalex.org/I12469534","display_name":"Quaid-i-Azam University","ror":"https://ror.org/04s9hft57","country_code":"PK","type":"education","lineage":["https://openalex.org/I12469534"]}],"countries":["PK"],"is_corresponding":false,"raw_author_name":"M. Ziad","raw_affiliation_strings":["Department of Mathematics, Quaid-i-Azam University, Islamabad, Pakistan","Quaid-i-Azam University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Quaid-i-Azam University, Islamabad, Pakistan","institution_ids":["https://openalex.org/I12469534"]},{"raw_affiliation_string":"Quaid-i-Azam University","institution_ids":["https://openalex.org/I12469534"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I12469534"],"apc_list":null,"apc_paid":null,"fwci":1.1818,"has_fulltext":false,"cited_by_count":33,"citation_normalized_percentile":{"value":0.78895604,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"110","issue":"3","first_page":"317","last_page":"334"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11960","display_name":"Relativity and Gravitational Theory","score":0.8511000275611877,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11960","display_name":"Relativity and Gravitational Theory","score":0.8511000275611877,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13080","display_name":"Advanced Differential Geometry Research","score":0.12790000438690186,"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"}},{"id":"https://openalex.org/T10095","display_name":"Cosmology and Gravitation Theories","score":0.008500000461935997,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/spherically-symmetric-spacetimes","display_name":"spherically symmetric spacetimes","score":0.9980000257492065},{"id":"https://openalex.org/keywords/killing-equations","display_name":"Killing equations","score":0.6660000085830688},{"id":"https://openalex.org/keywords/isometries","display_name":"isometries","score":0.9129999876022339},{"id":"https://openalex.org/keywords/symmetry-groups","display_name":"symmetry groups","score":0.3529999852180481}],"concepts":[{"id":"https://openalex.org/C176217482","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Metric (unit)","level":2,"score":0.6742794513702393},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.6510013341903687},{"id":"https://openalex.org/C2779886137","wikidata":"https://www.wikidata.org/wiki/Q21030012","display_name":"Symmetry (geometry)","level":2,"score":0.6222098469734192},{"id":"https://openalex.org/C139941754","wikidata":"https://www.wikidata.org/wiki/Q3058244","display_name":"Symmetric space","level":2,"score":0.604663610458374},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5249868631362915},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.45545995235443115},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.41783463954925537},{"id":"https://openalex.org/C20892832","wikidata":"https://www.wikidata.org/wiki/Q3271879","display_name":"Circular symmetry","level":2,"score":0.41693437099456787},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.41029587388038635},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.3728013038635254},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.24877312779426575},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.21538090705871582},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/bf02741372","doi":"https://doi.org/10.1007/bf02741372","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf02741372","pdf_url":null,"source":{"id":"https://openalex.org/S4210168287","display_name":"Il Nuovo cimento della Societ\u00e0 italiana di fisica. B/Il Nuovo cimento B","issn_l":"1594-9982","issn":["1594-9982","1826-9877","2037-4895"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["anvur-scientific"],"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":"Il Nuovo Cimento B Series 11","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1571212840","https://openalex.org/W1953478438","https://openalex.org/W1974946795","https://openalex.org/W1978180933","https://openalex.org/W2002425879","https://openalex.org/W2017348994","https://openalex.org/W2028241356","https://openalex.org/W2029403139","https://openalex.org/W2039242689","https://openalex.org/W2050143616","https://openalex.org/W2078715683","https://openalex.org/W3011862133","https://openalex.org/W3022542848"],"related_works":["https://openalex.org/W2078715683","https://openalex.org/W2011191184","https://openalex.org/W2051653380","https://openalex.org/W4401485188","https://openalex.org/W2280986065","https://openalex.org/W1567528114","https://openalex.org/W2088197710","https://openalex.org/W116177178","https://openalex.org/W2084871650","https://openalex.org/W4377138990"],"abstract_inverted_index":null,"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-12T12:28:57.059296","created_date":"2016-06-24T00:00:00"}