Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2331578546', 'doi': 'https://doi.org/10.2307/1968693', 'title': 'On Rings of Operators', 'display_name': 'On Rings of Operators', 'publication_year': 1936, 'publication_date': '1936-01-01', 'ids': {'openalex': 'https://openalex.org/W2331578546', 'doi': 'https://doi.org/10.2307/1968693', 'mag': '2331578546'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.2307/1968693', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S45918994', 'display_name': 'Annals of Mathematics', 'issn_l': '0003-486X', 'issn': ['0003-486X', '1939-8980'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310316273', 'host_organization_name': 'Princeton University', 'host_organization_lineage': ['https://openalex.org/P4310316273'], 'host_organization_lineage_names': ['Princeton University'], '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/A5091784822', 'display_name': 'F. J. Murray', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'F. J. Murray', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5109623909', 'display_name': 'J. v. Neumann', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'J. v. Neumann', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 13.75, 'has_fulltext': False, 'cited_by_count': 1314, 'citation_normalized_percentile': {'value': 0.98, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 99, 'max': 100}, 'biblio': {'volume': '37', 'issue': '1', 'first_page': '116', 'last_page': '116'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11703', 'display_name': 'Rings, Modules, and Algebras', 'score': 0.9367, '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'}}, 'topics': [{'id': 'https://openalex.org/T11703', 'display_name': 'Rings, Modules, and Algebras', 'score': 0.9367, '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'}}], 'keywords': [], 'concepts': [{'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.9271153}, {'id': 'https://openalex.org/C202444582', 'wikidata': 'https://www.wikidata.org/wiki/Q837863', 'display_name': 'Pure mathematics', 'level': 1, 'score': 0.4728898}, {'id': 'https://openalex.org/C136119220', 'wikidata': 'https://www.wikidata.org/wiki/Q1000660', 'display_name': 'Algebra over a field', 'level': 2, 'score': 0.38387835}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.2307/1968693', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S45918994', 'display_name': 'Annals of Mathematics', 'issn_l': '0003-486X', 'issn': ['0003-486X', '1939-8980'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310316273', 'host_organization_name': 'Princeton University', 'host_organization_lineage': ['https://openalex.org/P4310316273'], 'host_organization_lineage_names': ['Princeton University'], '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': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W4245490552', 'https://openalex.org/W4225152035', 'https://openalex.org/W3002753104', 'https://openalex.org/W2911598644', 'https://openalex.org/W2077600819', 'https://openalex.org/W2061531152', 'https://openalex.org/W2042127053', 'https://openalex.org/W2007980826', 'https://openalex.org/W1979597421', 'https://openalex.org/W1587224694'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2331578546', 'counts_by_year': [{'year': 2024, 'cited_by_count': 26}, {'year': 2023, 'cited_by_count': 32}, {'year': 2022, 'cited_by_count': 21}, {'year': 2021, 'cited_by_count': 33}, {'year': 2020, 'cited_by_count': 39}, {'year': 2019, 'cited_by_count': 72}, {'year': 2018, 'cited_by_count': 36}, {'year': 2017, 'cited_by_count': 38}, {'year': 2016, 'cited_by_count': 49}, {'year': 2015, 'cited_by_count': 54}, {'year': 2014, 'cited_by_count': 43}, {'year': 2013, 'cited_by_count': 29}, {'year': 2012, 'cited_by_count': 40}], 'updated_date': '2025-01-06T02:40:28.741659', 'created_date': '2016-06-24'}