Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2089063522', 'doi': 'https://doi.org/10.1016/0040-9383(94)e0015-c', 'title': 'Symplectic fixed points, the Calabi invariant and Novikov homology', 'display_name': 'Symplectic fixed points, the Calabi invariant and Novikov homology', 'publication_year': 1995, 'publication_date': '1995-01-01', 'ids': {'openalex': 'https://openalex.org/W2089063522', 'doi': 'https://doi.org/10.1016/0040-9383(94)e0015-c', 'mag': '2089063522'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1016/0040-9383(94)e0015-c', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S143014084', 'display_name': 'Topology', 'issn_l': '0040-9383', 'issn': ['0040-9383', '1879-3215'], '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/10.1016/0040-9383(94)e0015-c', 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5103524183', 'display_name': 'LêHông Vân', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210119712', 'display_name': 'Max Planck Institute for Mathematics', 'ror': 'https://ror.org/02dh8ja68', 'country_code': 'DE', 'type': 'facility', 'lineage': ['https://openalex.org/I149899117', 'https://openalex.org/I4210119712']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'LêHông Vân', 'raw_affiliation_strings': ['Max-Planck-Institut für Mathematik Gottfried-Claren-Straβe 26 5300 Bonn 3, Germany'], 'affiliations': [{'raw_affiliation_string': 'Max-Planck-Institut für Mathematik Gottfried-Claren-Straβe 26 5300 Bonn 3, Germany', 'institution_ids': ['https://openalex.org/I4210119712']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5108772148', 'display_name': 'Kaoru Ono', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210119712', 'display_name': 'Max Planck Institute for Mathematics', 'ror': 'https://ror.org/02dh8ja68', 'country_code': 'DE', 'type': 'facility', 'lineage': ['https://openalex.org/I149899117', 'https://openalex.org/I4210119712']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'Kaoru Ono', 'raw_affiliation_strings': ['Max-Planck-Institut für Mathematik Gottfried-Claren-Straβe 26 5300 Bonn 3, Germany'], 'affiliations': [{'raw_affiliation_string': 'Max-Planck-Institut für Mathematik Gottfried-Claren-Straβe 26 5300 Bonn 3, Germany', 'institution_ids': ['https://openalex.org/I4210119712']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 2.639, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 44, 'citation_normalized_percentile': {'value': 0.907934, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 91, 'max': 92}, 'biblio': {'volume': '34', 'issue': '1', 'first_page': '155', 'last_page': '176'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10896', 'display_name': 'Homotopy and Cohomology in Algebraic Topology', 'score': 0.9999, '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'}}, 'topics': [{'id': 'https://openalex.org/T10896', 'display_name': 'Homotopy and Cohomology in Algebraic Topology', 'score': 0.9999, '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/T10304', 'display_name': 'Geometric and Algebraic Topology', 'score': 0.9999, '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/T10899', 'display_name': 'Advanced Operator Algebra Research', 'score': 0.999, '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/novikov-self-consistency-principle', 'display_name': 'Novikov self-consistency principle', 'score': 0.9080672}, {'id': 'https://openalex.org/keywords/homology', 'display_name': 'Homology', 'score': 0.6557036}], 'concepts': [{'id': 'https://openalex.org/C114170632', 'wikidata': 'https://www.wikidata.org/wiki/Q2003641', 'display_name': 'Novikov self-consistency principle', 'level': 2, 'score': 0.9080672}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.74656796}, {'id': 'https://openalex.org/C168619227', 'wikidata': 'https://www.wikidata.org/wiki/Q2190991', 'display_name': 'Symplectic geometry', 'level': 2, 'score': 0.69828403}, {'id': 'https://openalex.org/C165525559', 'wikidata': 'https://www.wikidata.org/wiki/Q224180', 'display_name': 'Homology (biology)', 'level': 3, 'score': 0.6557036}, {'id': 'https://openalex.org/C202444582', 'wikidata': 'https://www.wikidata.org/wiki/Q837863', 'display_name': 'Pure mathematics', 'level': 1, 'score': 0.5728572}, {'id': 'https://openalex.org/C190470478', 'wikidata': 'https://www.wikidata.org/wiki/Q2370229', 'display_name': 'Invariant (physics)', 'level': 2, 'score': 0.5714859}, {'id': 'https://openalex.org/C37914503', 'wikidata': 'https://www.wikidata.org/wiki/Q156495', 'display_name': 'Mathematical physics', 'level': 1, 'score': 0.13609797}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.05477336}, {'id': 'https://openalex.org/C54355233', 'wikidata': 'https://www.wikidata.org/wiki/Q7162', 'display_name': 'Genetics', 'level': 1, 'score': 0.047704935}, {'id': 'https://openalex.org/C104317684', 'wikidata': 'https://www.wikidata.org/wiki/Q7187', 'display_name': 'Gene', 'level': 2, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.1016/0040-9383(94)e0015-c', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S143014084', 'display_name': 'Topology', 'issn_l': '0040-9383', 'issn': ['0040-9383', '1879-3215'], '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/10.1016/0040-9383(94)e0015-c', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S143014084', 'display_name': 'Topology', 'issn_l': '0040-9383', 'issn': ['0040-9383', '1879-3215'], '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': [{'score': 0.42, 'display_name': 'Reduced inequalities', 'id': 'https://metadata.un.org/sdg/10'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 15, 'referenced_works': ['https://openalex.org/W1501274325', 'https://openalex.org/W1966361399', 'https://openalex.org/W1968892491', 'https://openalex.org/W2016657473', 'https://openalex.org/W2049707341', 'https://openalex.org/W2057708383', 'https://openalex.org/W2072991328', 'https://openalex.org/W2084216733', 'https://openalex.org/W2102605874', 'https://openalex.org/W2126247499', 'https://openalex.org/W2126479355', 'https://openalex.org/W2169594537', 'https://openalex.org/W2318135321', 'https://openalex.org/W325275064', 'https://openalex.org/W4296292757'], 'related_works': ['https://openalex.org/W4301808655', 'https://openalex.org/W2973399580', 'https://openalex.org/W2951947500', 'https://openalex.org/W2950326916', 'https://openalex.org/W2769537058', 'https://openalex.org/W2187058597', 'https://openalex.org/W2050868116', 'https://openalex.org/W2021613246', 'https://openalex.org/W1972361952', 'https://openalex.org/W1786435391'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2089063522', 'counts_by_year': [{'year': 2024, 'cited_by_count': 3}, {'year': 2023, 'cited_by_count': 2}, {'year': 2022, 'cited_by_count': 1}, {'year': 2020, 'cited_by_count': 2}, {'year': 2019, 'cited_by_count': 2}, {'year': 2018, 'cited_by_count': 1}, {'year': 2016, 'cited_by_count': 2}, {'year': 2015, 'cited_by_count': 2}, {'year': 2012, 'cited_by_count': 2}], 'updated_date': '2025-01-05T03:25:13.777690', 'created_date': '2016-06-24'}