Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1987843132', 'doi': 'https://doi.org/10.1016/0041-5553(77)90002-7', 'title': 'Linear algebraic systems with toeplitz matrices', 'display_name': 'Linear algebraic systems with toeplitz matrices', 'publication_year': 1977, 'publication_date': '1977-01-01', 'ids': {'openalex': 'https://openalex.org/W1987843132', 'doi': 'https://doi.org/10.1016/0041-5553(77)90002-7', 'mag': '1987843132'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/0041-5553(77)90002-7', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4210201502', 'display_name': 'USSR Computational Mathematics and Mathematical Physics', 'issn_l': '0041-5553', 'issn': ['0041-5553', '1878-2930'], 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/P4310320146', 'host_organization_name': 'Pergamon Press', 'host_organization_lineage': ['https://openalex.org/P4310320146'], 'host_organization_lineage_names': ['Pergamon Press'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], '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/A5028102905', 'display_name': 'N. B. Engibaryan', 'orcid': None}, 'institutions': [], 'countries': ['AM'], 'is_corresponding': False, 'raw_author_name': 'N.B. Engibaryan', 'raw_affiliation_strings': ['Erevan Armenia'], 'affiliations': [{'raw_affiliation_string': 'Erevan Armenia', 'institution_ids': []}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5019645836', 'display_name': 'M.A. Mnatsakanyan', 'orcid': None}, 'institutions': [], 'countries': ['AM'], 'is_corresponding': False, 'raw_author_name': 'M.A. Mnatsakanyan', 'raw_affiliation_strings': ['Erevan Armenia'], 'affiliations': [{'raw_affiliation_string': 'Erevan Armenia', 'institution_ids': []}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 0, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 5, 'citation_normalized_percentile': {'value': 0.567783, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 73, 'max': 75}, 'biblio': {'volume': '17', 'issue': '5', 'first_page': '3', 'last_page': '17'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10792', 'display_name': 'Matrix Theory and Algorithms', 'score': 0.999, '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'}}, 'topics': [{'id': 'https://openalex.org/T10792', 'display_name': 'Matrix Theory and Algorithms', 'score': 0.999, '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/T11673', 'display_name': 'Advanced Topics in Algebra', 'score': 0.9883, 'subfield': {'id': 'https://openalex.org/subfields/2602', 'display_name': 'Algebra and Number Theory'}, '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/T11435', 'display_name': 'Polynomial and algebraic computation', 'score': 0.9784, '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'}}], 'keywords': [{'id': 'https://openalex.org/keywords/levinson-recursion', 'display_name': 'Levinson recursion', 'score': 0.90173656}, {'id': 'https://openalex.org/keywords/basis', 'display_name': 'Basis (linear algebra)', 'score': 0.49999237}, {'id': 'https://openalex.org/keywords/triangular-matrix', 'display_name': 'Triangular matrix', 'score': 0.4168699}], 'concepts': [{'id': 'https://openalex.org/C147710293', 'wikidata': 'https://www.wikidata.org/wiki/Q849428', 'display_name': 'Toeplitz matrix', 'level': 2, 'score': 0.9929187}, {'id': 'https://openalex.org/C122212055', 'wikidata': 'https://www.wikidata.org/wiki/Q11679774', 'display_name': 'Levinson recursion', 'level': 3, 'score': 0.90173656}, {'id': 'https://openalex.org/C9376300', 'wikidata': 'https://www.wikidata.org/wiki/Q168817', 'display_name': 'Algebraic number', 'level': 2, 'score': 0.68772155}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.58309}, {'id': 'https://openalex.org/C136119220', 'wikidata': 'https://www.wikidata.org/wiki/Q1000660', 'display_name': 'Algebra over a field', 'level': 2, 'score': 0.54552925}, {'id': 'https://openalex.org/C12426560', 'wikidata': 'https://www.wikidata.org/wiki/Q189569', 'display_name': 'Basis (linear algebra)', 'level': 2, 'score': 0.49999237}, {'id': 'https://openalex.org/C90673727', 'wikidata': 'https://www.wikidata.org/wiki/Q901718', 'display_name': 'Product (mathematics)', 'level': 2, 'score': 0.4407612}, {'id': 'https://openalex.org/C104528550', 'wikidata': 'https://www.wikidata.org/wiki/Q506265', 'display_name': 'Triangular matrix', 'level': 3, 'score': 0.4168699}, {'id': 'https://openalex.org/C202444582', 'wikidata': 'https://www.wikidata.org/wiki/Q837863', 'display_name': 'Pure mathematics', 'level': 1, 'score': 0.38485143}, {'id': 'https://openalex.org/C134306372', 'wikidata': 'https://www.wikidata.org/wiki/Q7754', 'display_name': 'Mathematical analysis', 'level': 1, 'score': 0.15001816}, {'id': 'https://openalex.org/C2524010', 'wikidata': 'https://www.wikidata.org/wiki/Q8087', 'display_name': 'Geometry', 'level': 1, 'score': 0.059572637}, {'id': 'https://openalex.org/C96442724', 'wikidata': 'https://www.wikidata.org/wiki/Q242188', 'display_name': 'Invertible matrix', 'level': 2, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/0041-5553(77)90002-7', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4210201502', 'display_name': 'USSR Computational Mathematics and Mathematical Physics', 'issn_l': '0041-5553', 'issn': ['0041-5553', '1878-2930'], 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/P4310320146', 'host_organization_name': 'Pergamon Press', 'host_organization_lineage': ['https://openalex.org/P4310320146'], 'host_organization_lineage_names': ['Pergamon Press'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 3, 'referenced_works': ['https://openalex.org/W1518835685', 'https://openalex.org/W1973973111', 'https://openalex.org/W2319645837'], 'related_works': ['https://openalex.org/W2374553943', 'https://openalex.org/W2201692517', 'https://openalex.org/W2182312572', 'https://openalex.org/W2152156127', 'https://openalex.org/W2047449810', 'https://openalex.org/W2045714585', 'https://openalex.org/W2044120295', 'https://openalex.org/W2043507023', 'https://openalex.org/W1987843132', 'https://openalex.org/W1654107233'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1987843132', 'counts_by_year': [{'year': 2015, 'cited_by_count': 2}, {'year': 2012, 'cited_by_count': 1}], 'updated_date': '2024-12-16T00:49:13.075068', 'created_date': '2016-06-24'}