{"id":"https://openalex.org/W4410540658","doi":"https://doi.org/10.1007/s11590-025-02206-4","title":"Symmetric positive subdefinite tensors","display_name":"Symmetric positive subdefinite tensors","publication_year":2025,"publication_date":"2025-05-20","ids":{"openalex":"https://openalex.org/W4410540658","doi":"https://doi.org/10.1007/s11590-025-02206-4"},"language":"en","primary_location":{"id":"doi:10.1007/s11590-025-02206-4","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11590-025-02206-4","pdf_url":null,"source":{"id":"https://openalex.org/S12647387","display_name":"Optimization Letters","issn_l":"1862-4472","issn":["1862-4472","1862-4480"],"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":"Optimization Letters","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/A5060127339","display_name":"Sonali Sharma","orcid":"https://orcid.org/0000-0003-0862-9711"},"institutions":[{"id":"https://openalex.org/I24676775","display_name":"Indian Institute of Technology Madras","ror":"https://ror.org/03v0r5n49","country_code":"IN","type":"education","lineage":["https://openalex.org/I24676775"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Sonali Sharma","raw_affiliation_strings":["Department of Mathematics, IIT Madras, Chennai, 600 036, India"],"raw_orcid":"https://orcid.org/0000-0003-0862-9711","affiliations":[{"raw_affiliation_string":"Department of Mathematics, IIT Madras, Chennai, 600 036, India","institution_ids":["https://openalex.org/I24676775"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004083420","display_name":"R. Deb","orcid":null},"institutions":[{"id":"https://openalex.org/I170979836","display_name":"Jadavpur University","ror":"https://ror.org/02af4h012","country_code":"IN","type":"education","lineage":["https://openalex.org/I170979836"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"R. Deb","raw_affiliation_strings":["Department of Mathematics, Jadavpur University, Kolkata, 700 032, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Jadavpur University, Kolkata, 700 032, India","institution_ids":["https://openalex.org/I170979836"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5069144965","display_name":"Ashok Kumar Das","orcid":"https://orcid.org/0000-0003-2508-7563"},"institutions":[{"id":"https://openalex.org/I4210100231","display_name":"Calcutta Research Group","ror":"https://ror.org/0105syj83","country_code":"IN","type":"other","lineage":["https://openalex.org/I4210100231"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"A. K. Das","raw_affiliation_strings":["SQC & OR Unit, ISI Kolkata, Kolkata, 700 108, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"SQC & OR Unit, ISI Kolkata, Kolkata, 700 108, India","institution_ids":["https://openalex.org/I4210100231"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5060127339"],"corresponding_institution_ids":["https://openalex.org/I24676775"],"apc_list":{"value":2890,"currency":"USD","value_usd":2890},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.10294118,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"20","issue":"1","first_page":"37","last_page":"51"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12303","display_name":"Tensor decomposition and applications","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2605","display_name":"Computational Mathematics"},"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/T12303","display_name":"Tensor decomposition and applications","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2605","display_name":"Computational Mathematics"},"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/T10792","display_name":"Matrix Theory and Algorithms","score":0.9890999794006348,"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/T11206","display_name":"Model Reduction and Neural Networks","score":0.9776999950408936,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"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/computational-intelligence","display_name":"Computational intelligence","score":0.7184624671936035},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.48198336362838745},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.38416916131973267},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.27824705839157104},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.18935823440551758}],"concepts":[{"id":"https://openalex.org/C139502532","wikidata":"https://www.wikidata.org/wiki/Q1122090","display_name":"Computational intelligence","level":2,"score":0.7184624671936035},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.48198336362838745},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.38416916131973267},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.27824705839157104},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.18935823440551758}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s11590-025-02206-4","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s11590-025-02206-4","pdf_url":null,"source":{"id":"https://openalex.org/S12647387","display_name":"Optimization Letters","issn_l":"1862-4472","issn":["1862-4472","1862-4480"],"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":"Optimization Letters","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":27,"referenced_works":["https://openalex.org/W64450559","https://openalex.org/W1966636125","https://openalex.org/W1990995401","https://openalex.org/W2000151369","https://openalex.org/W2007192575","https://openalex.org/W2047118504","https://openalex.org/W2064608549","https://openalex.org/W2070272115","https://openalex.org/W2081692436","https://openalex.org/W2090208105","https://openalex.org/W2151293435","https://openalex.org/W2754476852","https://openalex.org/W2762191668","https://openalex.org/W2784016420","https://openalex.org/W2794566895","https://openalex.org/W2886917779","https://openalex.org/W2962705706","https://openalex.org/W2966845367","https://openalex.org/W2967514193","https://openalex.org/W2968579382","https://openalex.org/W3195466780","https://openalex.org/W4210957680","https://openalex.org/W4245490374","https://openalex.org/W4301791716","https://openalex.org/W4385434654","https://openalex.org/W4385953086","https://openalex.org/W4388670107"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W1979597421","https://openalex.org/W2007980826","https://openalex.org/W2061531152","https://openalex.org/W3002753104","https://openalex.org/W2077600819","https://openalex.org/W2142036596","https://openalex.org/W2072657027","https://openalex.org/W2962838298","https://openalex.org/W2600246793"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-07-23T08:03:31.855105","created_date":"2025-10-10T00:00:00"}
