Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2232993782', 'doi': None, 'title': 'Global Convergence of a Hybrid Conjugate Gradient Method', 'display_name': 'Global Convergence of a Hybrid Conjugate Gradient Method', 'publication_year': 2015, 'publication_date': '2015-01-01', 'ids': {'openalex': 'https://openalex.org/W2232993782', 'mag': '2232993782'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'http://www.cqvip.com/QK/97306X/201503/666377066.html', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306549742', 'display_name': '数学季刊:英文版', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': [], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5078813027', 'display_name': '吴雪莎', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': True, 'raw_author_name': '吴雪莎', 'raw_affiliation_strings': [], 'affiliations': []}], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5078813027'], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, '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': {'min': 0, 'max': 66}, 'biblio': {'volume': None, 'issue': '3', 'first_page': '408', 'last_page': '415'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10963', 'display_name': 'Numerical Optimization Techniques', 'score': 0.9938, 'subfield': {'id': 'https://openalex.org/subfields/2612', 'display_name': 'Numerical Analysis'}, '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/T10963', 'display_name': 'Numerical Optimization Techniques', 'score': 0.9938, 'subfield': {'id': 'https://openalex.org/subfields/2612', 'display_name': 'Numerical Analysis'}, '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/T12661', 'display_name': 'Convergence Analysis of Iterative Methods for Nonlinear Equations', 'score': 0.9865, 'subfield': {'id': 'https://openalex.org/subfields/2612', 'display_name': 'Numerical Analysis'}, '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/T11205', 'display_name': 'Inverse Problems in Mathematical Physics and Imaging', 'score': 0.9252, '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'}}], 'keywords': [{'id': 'https://openalex.org/keywords/local-convergence', 'display_name': 'Local Convergence', 'score': 0.655271}, {'id': 'https://openalex.org/keywords/convergence-analysis', 'display_name': 'Convergence Analysis', 'score': 0.647031}, {'id': 'https://openalex.org/keywords/convex-optimization', 'display_name': 'Convex Optimization', 'score': 0.598568}, {'id': 'https://openalex.org/keywords/higher-order-methods', 'display_name': 'Higher-Order Methods', 'score': 0.592021}, {'id': 'https://openalex.org/keywords/iterative-methods', 'display_name': 'Iterative Methods', 'score': 0.576335}, {'id': 'https://openalex.org/keywords/conjugate', 'display_name': 'Conjugate', 'score': 0.41173717}], 'concepts': [{'id': 'https://openalex.org/C2777303404', 'wikidata': 'https://www.wikidata.org/wiki/Q759757', 'display_name': 'Convergence (economics)', 'level': 2, 'score': 0.6033954}, {'id': 'https://openalex.org/C81184566', 'wikidata': 'https://www.wikidata.org/wiki/Q1191895', 'display_name': 'Conjugate gradient method', 'level': 2, 'score': 0.5849025}, {'id': 'https://openalex.org/C91394653', 'wikidata': 'https://www.wikidata.org/wiki/Q5161159', 'display_name': 'Conjugate residual method', 'level': 4, 'score': 0.45295393}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.45131612}, {'id': 'https://openalex.org/C198562538', 'wikidata': 'https://www.wikidata.org/wiki/Q5262612', 'display_name': 'Derivation of the conjugate gradient method', 'level': 5, 'score': 0.4490229}, {'id': 'https://openalex.org/C28826006', 'wikidata': 'https://www.wikidata.org/wiki/Q33521', 'display_name': 'Applied mathematics', 'level': 1, 'score': 0.41719612}, {'id': 'https://openalex.org/C26362088', 'wikidata': 'https://www.wikidata.org/wiki/Q17086453', 'display_name': 'Nonlinear conjugate gradient method', 'level': 4, 'score': 0.41591716}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.412364}, {'id': 'https://openalex.org/C197336794', 'wikidata': 'https://www.wikidata.org/wiki/Q5161150', 'display_name': 'Conjugate', 'level': 2, 'score': 0.41173717}, {'id': 'https://openalex.org/C153258448', 'wikidata': 'https://www.wikidata.org/wiki/Q1199743', 'display_name': 'Gradient descent', 'level': 3, 'score': 0.29165503}, {'id': 'https://openalex.org/C126255220', 'wikidata': 'https://www.wikidata.org/wiki/Q141495', 'display_name': 'Mathematical optimization', 'level': 1, 'score': 0.28496236}, {'id': 'https://openalex.org/C134306372', 'wikidata': 'https://www.wikidata.org/wiki/Q7754', 'display_name': 'Mathematical analysis', 'level': 1, 'score': 0.2529632}, {'id': 'https://openalex.org/C154945302', 'wikidata': 'https://www.wikidata.org/wiki/Q11660', 'display_name': 'Artificial intelligence', 'level': 1, 'score': 0.22569066}, {'id': 'https://openalex.org/C50644808', 'wikidata': 'https://www.wikidata.org/wiki/Q192776', 'display_name': 'Artificial neural network', 'level': 2, 'score': 0.11514455}, {'id': 'https://openalex.org/C162324750', 'wikidata': 'https://www.wikidata.org/wiki/Q8134', 'display_name': 'Economics', 'level': 0, 'score': 0.098266214}, {'id': 'https://openalex.org/C50522688', 'wikidata': 'https://www.wikidata.org/wiki/Q189833', 'display_name': 'Economic growth', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'http://www.cqvip.com/QK/97306X/201503/666377066.html', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306549742', 'display_name': '数学季刊:英文版', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'id': 'https://metadata.un.org/sdg/13', 'display_name': 'Climate action', 'score': 0.5}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W3109513473', 'https://openalex.org/W3045794209', 'https://openalex.org/W3028519024', 'https://openalex.org/W2416625423', 'https://openalex.org/W2389095976', 'https://openalex.org/W2381558549', 'https://openalex.org/W2380780519', 'https://openalex.org/W2378491594', 'https://openalex.org/W2378458751', 'https://openalex.org/W2375852997', 'https://openalex.org/W2374389894', 'https://openalex.org/W2362000863', 'https://openalex.org/W2361667864', 'https://openalex.org/W2356252110', 'https://openalex.org/W2355152789', 'https://openalex.org/W2353148372', 'https://openalex.org/W2352585500', 'https://openalex.org/W2351837057', 'https://openalex.org/W2026270075', 'https://openalex.org/W162727148'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2232993782', 'counts_by_year': [], 'updated_date': '2024-08-28T22:45:36.234871', 'created_date': '2016-06-24'}