{"id":"https://openalex.org/W7211870565","doi":"https://doi.org/10.1007/s11565-026-00743-z","title":"Q-tensors on Riemannian manifolds with concurrent-recurrent vector fields and its applications in spacetimes","display_name":"Q-tensors on Riemannian manifolds with concurrent-recurrent vector fields and its applications in spacetimes","publication_year":2026,"publication_date":"2026-09-08","ids":{"openalex":"https://openalex.org/W7211870565","doi":"https://doi.org/10.1007/s11565-026-00743-z"},"language":"en","primary_location":{"id":"doi:10.1007/s11565-026-00743-z","doi":"https://doi.org/10.1007/s11565-026-00743-z","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11565-026-00743-z","pdf_url":null,"source":{"id":"https://openalex.org/S175017847","display_name":"ANNALI DELL UNIVERSITA DI FERRARA","issn_l":"0430-3202","issn":["0430-3202","1827-1510"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","jufo-1","norway-1","poland-40","russia-white-list-3"],"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":"ANNALI DELL'UNIVERSITA' DI FERRARA","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":null,"display_name":"Gaurab Mitra","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I77501641","display_name":"University of Kalyani","ror":"https://ror.org/03v783k16","country_code":"IN","type":"education","lineage":["https://openalex.org/I77501641"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Gaurab Mitra","raw_affiliation_strings":["Department of Mathematics, University of Kalyani, Kalyani, West Bengal, 741235, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, University of Kalyani, Kalyani, West Bengal, 741235, India","institution_ids":["https://openalex.org/I77501641"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5105777561","display_name":"Avijit Sarkar","orcid":"https://orcid.org/0000-0002-9495-079X","observed_orcids":["https://orcid.org/0000-0002-9495-079X"]},"institutions":[{"id":"https://openalex.org/I77501641","display_name":"University of Kalyani","ror":"https://ror.org/03v783k16","country_code":"IN","type":"education","lineage":["https://openalex.org/I77501641"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Avijit Sarkar","raw_affiliation_strings":["Department of Mathematics, University of Kalyani, Kalyani, West Bengal, 741235, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, University of Kalyani, Kalyani, West Bengal, 741235, India","institution_ids":["https://openalex.org/I77501641"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5045885312","display_name":"Tarak Mandal","orcid":"https://orcid.org/0000-0003-4808-8454","observed_orcids":["https://orcid.org/0000-0003-4808-8454"]},"institutions":[{"id":"https://openalex.org/I4405270277","display_name":"Jangipur College","ror":"https://ror.org/00d08yw66","country_code":"IN","type":"education","lineage":["https://openalex.org/I4405270277"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Tarak Mandal","raw_affiliation_strings":["Department of Mathematics, Jangipur College, Jangipur, West Bengal, 742213, India"],"raw_orcid":"https://orcid.org/0000-0003-4808-8454","affiliations":[{"raw_affiliation_string":"Department of Mathematics, Jangipur College, Jangipur, West Bengal, 742213, India","institution_ids":["https://openalex.org/I4405270277"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5045885312"],"corresponding_institution_ids":["https://openalex.org/I4405270277"],"apc_list":{"value":3090,"currency":"USD","value_usd":3090},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"72","issue":"4","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13080","display_name":"Advanced Differential Geometry Research","score":0.9990000128746033,"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"}},"topics":[{"id":"https://openalex.org/T13080","display_name":"Advanced Differential Geometry Research","score":0.9990000128746033,"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/T11960","display_name":"Relativity and Gravitational Theory","score":0.00039999998989515007,"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/T10229","display_name":"Geometric Analysis and Curvature Flows","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/2604","display_name":"Applied Mathematics"},"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/q-tensor","display_name":"Q-tensor","score":0.9850000143051147},{"id":"https://openalex.org/keywords/riemannian-manifolds","display_name":"Riemannian manifolds","score":0.9300000071525574},{"id":"https://openalex.org/keywords/differential-forms","display_name":"differential forms","score":0.7549999952316284},{"id":"https://openalex.org/keywords/perfect-fluid-spacetimes","display_name":"perfect fluid spacetimes","score":0.8640000224113464},{"id":"https://openalex.org/keywords/recurrent-vector-fields","display_name":"recurrent vector fields","score":0.550000011920929}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5051000118255615},{"id":"https://openalex.org/C91188154","wikidata":"https://www.wikidata.org/wiki/Q186247","display_name":"Vector field","level":2,"score":0.43560001254081726},{"id":"https://openalex.org/C68363185","wikidata":"https://www.wikidata.org/wiki/Q180969","display_name":"Algebraic geometry","level":2,"score":0.4212999939918518},{"id":"https://openalex.org/C2779593128","wikidata":"https://www.wikidata.org/wiki/Q632814","display_name":"Riemannian manifold","level":2,"score":0.4185999929904938},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4059999883174896},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.3917999863624573},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.3887999951839447},{"id":"https://openalex.org/C181104567","wikidata":"https://www.wikidata.org/wiki/Q761383","display_name":"Riemannian geometry","level":2,"score":0.3840000033378601},{"id":"https://openalex.org/C192939610","wikidata":"https://www.wikidata.org/wiki/Q188444","display_name":"Differential geometry","level":2,"score":0.38370001316070557},{"id":"https://openalex.org/C42519931","wikidata":"https://www.wikidata.org/wiki/Q1200279","display_name":"Killing vector field","level":2,"score":0.3709000051021576},{"id":"https://openalex.org/C37914503","wikidata":"https://www.wikidata.org/wiki/Q156495","display_name":"Mathematical physics","level":1,"score":0.3515999913215637},{"id":"https://openalex.org/C529865628","wikidata":"https://www.wikidata.org/wiki/Q1790740","display_name":"Manifold (fluid mechanics)","level":2,"score":0.33079999685287476},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.31769999861717224},{"id":"https://openalex.org/C108804581","wikidata":"https://www.wikidata.org/wiki/Q5447001","display_name":"Field equation","level":2,"score":0.30720001459121704},{"id":"https://openalex.org/C203934109","wikidata":"https://www.wikidata.org/wiki/Q7322952","display_name":"Ricci-flat manifold","level":4,"score":0.28380000591278076},{"id":"https://openalex.org/C156135169","wikidata":"https://www.wikidata.org/wiki/Q5535522","display_name":"Geometry and topology","level":2,"score":0.2768000066280365},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.27230000495910645},{"id":"https://openalex.org/C191174866","wikidata":"https://www.wikidata.org/wiki/Q17017346","display_name":"Global analysis","level":5,"score":0.2630999982357025},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.25600001215934753},{"id":"https://openalex.org/C165818556","wikidata":"https://www.wikidata.org/wiki/Q213488","display_name":"Geodesic","level":2,"score":0.2515000104904175}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s11565-026-00743-z","doi":"https://doi.org/10.1007/s11565-026-00743-z","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11565-026-00743-z","pdf_url":null,"source":{"id":"https://openalex.org/S175017847","display_name":"ANNALI DELL UNIVERSITA DI FERRARA","issn_l":"0430-3202","issn":["0430-3202","1827-1510"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","jufo-1","norway-1","poland-40","russia-white-list-3"],"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":"ANNALI DELL'UNIVERSITA' DI FERRARA","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":20,"referenced_works":["https://openalex.org/W1500734819","https://openalex.org/W1610662016","https://openalex.org/W1823457664","https://openalex.org/W1975574437","https://openalex.org/W1980370248","https://openalex.org/W2032877114","https://openalex.org/W2090642757","https://openalex.org/W2111898261","https://openalex.org/W2809995574","https://openalex.org/W3096348221","https://openalex.org/W4210293961","https://openalex.org/W4220794441","https://openalex.org/W4221057488","https://openalex.org/W4283159122","https://openalex.org/W4289888764","https://openalex.org/W4312972070","https://openalex.org/W4411669450","https://openalex.org/W4413247980","https://openalex.org/W4414849863","https://openalex.org/W4415983674"],"related_works":["https://openalex.org/W4402130245","https://openalex.org/W7163386525","https://openalex.org/W3145181999","https://openalex.org/W1980370248","https://openalex.org/W4415983674","https://openalex.org/W3161937596","https://openalex.org/W2409562743","https://openalex.org/W7199119792","https://openalex.org/W2258331040","https://openalex.org/W7165165081"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-09-29T14:09:16.559479","created_date":"2026-09-08T00:00:00"}
