Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1991137003', 'doi': 'https://doi.org/10.1016/0022-1236(91)90058-d', 'title': 'Limits of hypercyclic and supercyclic operators', 'display_name': 'Limits of hypercyclic and supercyclic operators', 'publication_year': 1991, 'publication_date': '1991-07-01', 'ids': {'openalex': 'https://openalex.org/W1991137003', 'doi': 'https://doi.org/10.1016/0022-1236(91)90058-d', 'mag': '1991137003'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1016/0022-1236(91)90058-d', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S54953690', 'display_name': 'Journal of Functional Analysis', 'issn_l': '0022-1236', 'issn': ['0022-1236', '1096-0783'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': 'publisher-specific-oa', 'license_id': 'https://openalex.org/licenses/publisher-specific-oa', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': True, 'oa_status': 'bronze', 'oa_url': 'https://doi.org/10.1016/0022-1236(91)90058-d', 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5042883239', 'display_name': 'Domingo A. Herrero', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I55732556', 'display_name': 'Arizona State University', 'ror': 'https://ror.org/03efmqc40', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I55732556']}], 'countries': ['US'], 'is_corresponding': True, 'raw_author_name': 'Domingo A Herrero', 'raw_affiliation_strings': ['Department of Mathematics, Arizona State University, Tempe, Arizona 85287 USA'], 'affiliations': [{'raw_affiliation_string': 'Department of Mathematics, Arizona State University, Tempe, Arizona 85287 USA', 'institution_ids': ['https://openalex.org/I55732556']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': ['https://openalex.org/A5042883239'], 'corresponding_institution_ids': ['https://openalex.org/I55732556'], 'apc_list': {'value': 2560, 'currency': 'USD', 'value_usd': 2560, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 4.677, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 193, 'citation_normalized_percentile': {'value': 0.999485, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 98, 'max': 99}, 'biblio': {'volume': '99', 'issue': '1', 'first_page': '179', 'last_page': '190'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10884', 'display_name': 'Holomorphic and Operator Theory', 'score': 0.9997, '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'}}, 'topics': [{'id': 'https://openalex.org/T10884', 'display_name': 'Holomorphic and Operator Theory', 'score': 0.9997, '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'}}, {'id': 'https://openalex.org/T11022', 'display_name': 'Spectral Theory in Mathematical Physics', 'score': 0.9979, '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'}}, {'id': 'https://openalex.org/T10792', 'display_name': 'Matrix Theory and Algorithms', 'score': 0.9861, '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/unit-circle', 'display_name': 'Unit circle', 'score': 0.59142756}, {'id': 'https://openalex.org/keywords/operator', 'display_name': 'Operator (biology)', 'score': 0.5379273}, {'id': 'https://openalex.org/keywords/closure', 'display_name': 'Closure (psychology)', 'score': 0.4790222}], 'concepts': [{'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.9019501}, {'id': 'https://openalex.org/C126875415', 'wikidata': 'https://www.wikidata.org/wiki/Q203425', 'display_name': 'Unit circle', 'level': 2, 'score': 0.59142756}, {'id': 'https://openalex.org/C62799726', 'wikidata': 'https://www.wikidata.org/wiki/Q190056', 'display_name': 'Hilbert space', 'level': 2, 'score': 0.55444145}, {'id': 'https://openalex.org/C70710897', 'wikidata': 'https://www.wikidata.org/wiki/Q680081', 'display_name': 'Separable space', 'level': 2, 'score': 0.5483676}, {'id': 'https://openalex.org/C17020691', 'wikidata': 'https://www.wikidata.org/wiki/Q139677', 'display_name': 'Operator (biology)', 'level': 5, 'score': 0.5379273}, {'id': 'https://openalex.org/C191795146', 'wikidata': 'https://www.wikidata.org/wiki/Q3878446', 'display_name': 'Norm (philosophy)', 'level': 2, 'score': 0.5094889}, {'id': 'https://openalex.org/C158693339', 'wikidata': 'https://www.wikidata.org/wiki/Q190524', 'display_name': 'Eigenvalues and eigenvectors', 'level': 2, 'score': 0.4843053}, {'id': 'https://openalex.org/C146834321', 'wikidata': 'https://www.wikidata.org/wiki/Q2979672', 'display_name': 'Closure (psychology)', 'level': 2, 'score': 0.4790222}, {'id': 'https://openalex.org/C202444582', 'wikidata': 'https://www.wikidata.org/wiki/Q837863', 'display_name': 'Pure mathematics', 'level': 1, 'score': 0.47001886}, {'id': 'https://openalex.org/C156778621', 'wikidata': 'https://www.wikidata.org/wiki/Q1365748', 'display_name': 'Spectrum (functional analysis)', 'level': 2, 'score': 0.46690044}, {'id': 'https://openalex.org/C118615104', 'wikidata': 'https://www.wikidata.org/wiki/Q121416', 'display_name': 'Discrete mathematics', 'level': 1, 'score': 0.33409938}, {'id': 'https://openalex.org/C134306372', 'wikidata': 'https://www.wikidata.org/wiki/Q7754', 'display_name': 'Mathematical analysis', 'level': 1, 'score': 0.31856322}, {'id': 'https://openalex.org/C55493867', 'wikidata': 'https://www.wikidata.org/wiki/Q7094', 'display_name': 'Biochemistry', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C62520636', 'wikidata': 'https://www.wikidata.org/wiki/Q944', 'display_name': 'Quantum mechanics', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C86339819', 'wikidata': 'https://www.wikidata.org/wiki/Q407384', 'display_name': 'Transcription factor', 'level': 3, 'score': 0.0}, {'id': 'https://openalex.org/C162324750', 'wikidata': 'https://www.wikidata.org/wiki/Q8134', 'display_name': 'Economics', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C199539241', 'wikidata': 'https://www.wikidata.org/wiki/Q7748', 'display_name': 'Law', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C34447519', 'wikidata': 'https://www.wikidata.org/wiki/Q179522', 'display_name': 'Market economy', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C104317684', 'wikidata': 'https://www.wikidata.org/wiki/Q7187', 'display_name': 'Gene', 'level': 2, 'score': 0.0}, {'id': 'https://openalex.org/C158448853', 'wikidata': 'https://www.wikidata.org/wiki/Q425218', 'display_name': 'Repressor', 'level': 4, 'score': 0.0}, {'id': 'https://openalex.org/C17744445', 'wikidata': 'https://www.wikidata.org/wiki/Q36442', 'display_name': 'Political science', 'level': 0, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.1016/0022-1236(91)90058-d', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S54953690', 'display_name': 'Journal of Functional Analysis', 'issn_l': '0022-1236', 'issn': ['0022-1236', '1096-0783'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': 'publisher-specific-oa', 'license_id': 'https://openalex.org/licenses/publisher-specific-oa', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1016/0022-1236(91)90058-d', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S54953690', 'display_name': 'Journal of Functional Analysis', 'issn_l': '0022-1236', 'issn': ['0022-1236', '1096-0783'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': 'publisher-specific-oa', 'license_id': 'https://openalex.org/licenses/publisher-specific-oa', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 13, 'referenced_works': ['https://openalex.org/W1515289038', 'https://openalex.org/W1562178577', 'https://openalex.org/W1968126790', 'https://openalex.org/W1987169237', 'https://openalex.org/W1991281386', 'https://openalex.org/W2003177286', 'https://openalex.org/W2007730649', 'https://openalex.org/W2055330856', 'https://openalex.org/W2073540558', 'https://openalex.org/W2132420004', 'https://openalex.org/W3040267042', 'https://openalex.org/W4233293104', 'https://openalex.org/W4233402828'], 'related_works': ['https://openalex.org/W4321064619', 'https://openalex.org/W4287823270', 'https://openalex.org/W3214915267', 'https://openalex.org/W315394019', 'https://openalex.org/W3047984322', 'https://openalex.org/W3013893060', 'https://openalex.org/W2975005890', 'https://openalex.org/W2923398117', 'https://openalex.org/W2009525028', 'https://openalex.org/W1488369750'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1991137003', 'counts_by_year': [{'year': 2024, 'cited_by_count': 5}, {'year': 2023, 'cited_by_count': 4}, {'year': 2022, 'cited_by_count': 5}, {'year': 2021, 'cited_by_count': 4}, {'year': 2020, 'cited_by_count': 7}, {'year': 2019, 'cited_by_count': 6}, {'year': 2018, 'cited_by_count': 14}, {'year': 2017, 'cited_by_count': 2}, {'year': 2016, 'cited_by_count': 6}, {'year': 2015, 'cited_by_count': 9}, {'year': 2014, 'cited_by_count': 6}, {'year': 2013, 'cited_by_count': 10}, {'year': 2012, 'cited_by_count': 6}], 'updated_date': '2025-01-04T09:13:16.795749', 'created_date': '2016-06-24'}