Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2085149858', 'doi': 'https://doi.org/10.1007/s00208-009-0352-6', 'title': 'On Ueno’s conjecture K', 'display_name': 'On Ueno’s conjecture K', 'publication_year': 2009, 'publication_date': '2009-03-23', 'ids': {'openalex': 'https://openalex.org/W2085149858', 'doi': 'https://doi.org/10.1007/s00208-009-0352-6', 'mag': '2085149858'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/s00208-009-0352-6', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S192217950', 'display_name': 'Mathematische Annalen', 'issn_l': '0025-5831', 'issn': ['0025-5831', '1432-1807'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319965', 'host_organization_name': 'Springer Nature', 'host_organization_lineage': ['https://openalex.org/P4310319965'], 'host_organization_lineage_names': ['Springer Nature'], '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/A5018458851', 'display_name': 'Jungkai A. Chen', 'orcid': 'https://orcid.org/0000-0002-4164-4772'}, 'institutions': [{'id': 'https://openalex.org/I16733864', 'display_name': 'National Taiwan University', 'ror': 'https://ror.org/05bqach95', 'country_code': 'TW', 'type': 'education', 'lineage': ['https://openalex.org/I16733864']}], 'countries': ['TW'], 'is_corresponding': False, 'raw_author_name': 'Jungkai A. Chen', 'raw_affiliation_strings': ['National Taiwan University > > > > > >'], 'affiliations': [{'raw_affiliation_string': 'National Taiwan University > > > > > >', 'institution_ids': ['https://openalex.org/I16733864']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5010639436', 'display_name': 'Christopher D. Hacon', 'orcid': 'https://orcid.org/0000-0001-9288-3127'}, 'institutions': [{'id': 'https://openalex.org/I223532165', 'display_name': 'University of Utah', 'ror': 'https://ror.org/03r0ha626', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I223532165']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Christopher D. Hacon', 'raw_affiliation_strings': ['University of Utah,'], 'affiliations': [{'raw_affiliation_string': 'University of Utah,', 'institution_ids': ['https://openalex.org/I223532165']}]}], 'institution_assertions': [], 'countries_distinct_count': 2, 'institutions_distinct_count': 2, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 2290, 'currency': 'EUR', 'value_usd': 2890, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 0.289, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 5, 'citation_normalized_percentile': {'value': 0.601182, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 79, 'max': 80}, 'biblio': {'volume': '345', 'issue': '2', 'first_page': '287', 'last_page': '296'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10061', 'display_name': 'Algebraic Geometry and Number Theory', 'score': 0.9998, 'subfield': {'id': 'https://openalex.org/subfields/2608', 'display_name': 'Geometry and Topology'}, '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/T10061', 'display_name': 'Algebraic Geometry and Number Theory', 'score': 0.9998, 'subfield': {'id': 'https://openalex.org/subfields/2608', 'display_name': 'Geometry and Topology'}, '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/T11680', 'display_name': 'Advanced Algebra and Geometry', 'score': 0.9987, '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/T12396', 'display_name': 'Advanced Differential Equations and Dynamical Systems', 'score': 0.9974, 'subfield': {'id': 'https://openalex.org/subfields/2608', 'display_name': 'Geometry and Topology'}, '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': 0.93788856}, {'id': 'https://openalex.org/C2780990831', 'wikidata': 'https://www.wikidata.org/wiki/Q319141', 'display_name': 'Conjecture', 'level': 2, 'score': 0.7080145}, {'id': 'https://openalex.org/C202444582', 'wikidata': 'https://www.wikidata.org/wiki/Q837863', 'display_name': 'Pure mathematics', 'level': 1, 'score': 0.49885726}, {'id': 'https://openalex.org/C114614502', 'wikidata': 'https://www.wikidata.org/wiki/Q76592', 'display_name': 'Combinatorics', 'level': 1, 'score': 0.40488356}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/s00208-009-0352-6', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S192217950', 'display_name': 'Mathematische Annalen', 'issn_l': '0025-5831', 'issn': ['0025-5831', '1432-1807'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319965', 'host_organization_name': 'Springer Nature', 'host_organization_lineage': ['https://openalex.org/P4310319965'], 'host_organization_lineage_names': ['Springer Nature'], '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': 10, 'referenced_works': ['https://openalex.org/W1568045038', 'https://openalex.org/W157547601', 'https://openalex.org/W1580842374', 'https://openalex.org/W2008430402', 'https://openalex.org/W2094357912', 'https://openalex.org/W2136450747', 'https://openalex.org/W2255333271', 'https://openalex.org/W2906775414', 'https://openalex.org/W309082400', 'https://openalex.org/W4251180272'], 'related_works': ['https://openalex.org/W4238204885', 'https://openalex.org/W3002753104', 'https://openalex.org/W2963966623', 'https://openalex.org/W2600246793', 'https://openalex.org/W2142036596', 'https://openalex.org/W2077600819', 'https://openalex.org/W2072657027', 'https://openalex.org/W2061531152', 'https://openalex.org/W2007980826', 'https://openalex.org/W1979597421'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2085149858', 'counts_by_year': [{'year': 2022, 'cited_by_count': 1}, {'year': 2020, 'cited_by_count': 1}, {'year': 2019, 'cited_by_count': 1}, {'year': 2016, 'cited_by_count': 1}], 'updated_date': '2024-12-17T06:16:47.167378', 'created_date': '2016-06-24'}