Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2157665758', 'doi': 'https://doi.org/10.1007/s00220-004-1089-4', 'title': 'A New Cohomology Theory of Orbifold', 'display_name': 'A New Cohomology Theory of Orbifold', 'publication_year': 2004, 'publication_date': '2004-05-04', 'ids': {'openalex': 'https://openalex.org/W2157665758', 'doi': 'https://doi.org/10.1007/s00220-004-1089-4', 'mag': '2157665758'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/s00220-004-1089-4', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S100601982', 'display_name': 'Communications in Mathematical Physics', 'issn_l': '0010-3616', 'issn': ['0010-3616', '1432-0916'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319900', 'host_organization_name': 'Springer Science+Business Media', 'host_organization_lineage': ['https://openalex.org/P4310319965', 'https://openalex.org/P4310319900'], 'host_organization_lineage_names': ['Springer Nature', 'Springer Science+Business Media'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['arxiv', 'crossref', 'datacite'], 'open_access': {'is_oa': True, 'oa_status': 'green', 'oa_url': 'https://arxiv.org/pdf/math/0004129', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5100301708', 'display_name': 'Chen Weimin', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I135310074', 'display_name': 'University of Wisconsin–Madison', 'ror': 'https://ror.org/01y2jtd41', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I135310074']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Weimin Chen', 'raw_affiliation_strings': ['Department of Mathematics, University of Wisconsin-Madison, Madison, WI 53706, USA'], 'affiliations': [{'raw_affiliation_string': 'Department of Mathematics, University of Wisconsin-Madison, Madison, WI 53706, USA', 'institution_ids': ['https://openalex.org/I135310074']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5103172200', 'display_name': 'Yongbin Ruan', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I135310074', 'display_name': 'University of Wisconsin–Madison', 'ror': 'https://ror.org/01y2jtd41', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I135310074']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Yongbin Ruan', 'raw_affiliation_strings': ['Department of Mathematics, University of Wisconsin-Madison, Madison, WI 53706, USA'], 'affiliations': [{'raw_affiliation_string': 'Department of Mathematics, University of Wisconsin-Madison, Madison, WI 53706, USA', 'institution_ids': ['https://openalex.org/I135310074']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 2290, 'currency': 'EUR', 'value_usd': 2890, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 39.801, 'has_fulltext': True, 'fulltext_origin': 'pdf', 'cited_by_count': 550, 'citation_normalized_percentile': {'value': 0.999689, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 99, 'max': 100}, 'biblio': {'volume': '248', 'issue': '1', 'first_page': '1', 'last_page': '31'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10304', 'display_name': 'Geometric and Algebraic Topology', 'score': 0.9995, '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/T10304', 'display_name': 'Geometric and Algebraic Topology', 'score': 0.9995, '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/T10896', 'display_name': 'Homotopy and Cohomology in Algebraic Topology', 'score': 0.9994, '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/T10061', 'display_name': 'Algebraic Geometry and Number Theory', 'score': 0.9989, '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': [{'id': 'https://openalex.org/keywords/orbifold', 'display_name': 'Orbifold', 'score': 0.98823965}, {'id': 'https://openalex.org/keywords/cohomology-ring', 'display_name': 'Cohomology ring', 'score': 0.5707669}, {'id': 'https://openalex.org/keywords/duality', 'display_name': 'Duality (order theory)', 'score': 0.5405255}], 'concepts': [{'id': 'https://openalex.org/C143782950', 'wikidata': 'https://www.wikidata.org/wiki/Q40460', 'display_name': 'Orbifold', 'level': 2, 'score': 0.98823965}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.75051165}, {'id': 'https://openalex.org/C78606066', 'wikidata': 'https://www.wikidata.org/wiki/Q1198376', 'display_name': 'Cohomology', 'level': 2, 'score': 0.7062822}, {'id': 'https://openalex.org/C2779185822', 'wikidata': 'https://www.wikidata.org/wiki/Q5141399', 'display_name': 'Cohomology ring', 'level': 4, 'score': 0.5707669}, {'id': 'https://openalex.org/C202444582', 'wikidata': 'https://www.wikidata.org/wiki/Q837863', 'display_name': 'Pure mathematics', 'level': 1, 'score': 0.56875384}, {'id': 'https://openalex.org/C2778023678', 'wikidata': 'https://www.wikidata.org/wiki/Q554403', 'display_name': 'Duality (order theory)', 'level': 2, 'score': 0.5405255}, {'id': 'https://openalex.org/C49987212', 'wikidata': 'https://www.wikidata.org/wiki/Q33198', 'display_name': 'String theory', 'level': 2, 'score': 0.4663977}, {'id': 'https://openalex.org/C155751095', 'wikidata': 'https://www.wikidata.org/wiki/Q1408937', 'display_name': 'Group cohomology', 'level': 3, 'score': 0.437509}, {'id': 'https://openalex.org/C72738302', 'wikidata': 'https://www.wikidata.org/wiki/Q5384738', 'display_name': 'Equivariant cohomology', 'level': 3, 'score': 0.3964305}, {'id': 'https://openalex.org/C37914503', 'wikidata': 'https://www.wikidata.org/wiki/Q156495', 'display_name': 'Mathematical physics', 'level': 1, 'score': 0.07447842}], 'mesh': [], 'locations_count': 5, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/s00220-004-1089-4', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S100601982', 'display_name': 'Communications in Mathematical Physics', 'issn_l': '0010-3616', 'issn': ['0010-3616', '1432-0916'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319900', 'host_organization_name': 'Springer Science+Business Media', 'host_organization_lineage': ['https://openalex.org/P4310319965', 'https://openalex.org/P4310319900'], 'host_organization_lineage_names': ['Springer Nature', 'Springer Science+Business Media'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://arxiv.org/abs/math/0004129', 'pdf_url': 'https://arxiv.org/pdf/math/0004129', 'source': {'id': 'https://openalex.org/S4306400194', 'display_name': 'arXiv (Cornell University)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I205783295', 'host_organization_name': 'Cornell University', 'host_organization_lineage': ['https://openalex.org/I205783295'], 'host_organization_lineage_names': ['Cornell University'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://works.bepress.com/weiminchen_chen/10', 'pdf_url': 'https://works.bepress.com/weiminchen_chen/10/download/', 'source': {'id': 'https://openalex.org/S4306402240', 'display_name': 'ScholarWorks@UMassAmherst (University of Massachusetts Amherst)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I24603500', 'host_organization_name': 'University of Massachusetts Amherst', 'host_organization_lineage': ['https://openalex.org/I24603500'], 'host_organization_lineage_names': ['University of Massachusetts Amherst'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://works.bepress.com/cgi/viewcontent.cgi?article=1011&context=weiminchen_chen', 'pdf_url': 'https://works.bepress.com/cgi/viewcontent.cgi?article=1011&context=weiminchen_chen', 'source': {'id': 'https://openalex.org/S4306402240', 'display_name': 'ScholarWorks@UMassAmherst (University of Massachusetts Amherst)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I24603500', 'host_organization_name': 'University of Massachusetts Amherst', 'host_organization_lineage': ['https://openalex.org/I24603500'], 'host_organization_lineage_names': ['University of Massachusetts Amherst'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://api.datacite.org/dois/10.48550/arxiv.math/0004129', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4393179698', 'display_name': 'DataCite API', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I4210145204', 'host_organization_name': 'DataCite', 'host_organization_lineage': ['https://openalex.org/I4210145204'], 'host_organization_lineage_names': ['DataCite'], 'type': 'metadata'}, 'license': None, 'license_id': None, 'version': None}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://arxiv.org/abs/math/0004129', 'pdf_url': 'https://arxiv.org/pdf/math/0004129', 'source': {'id': 'https://openalex.org/S4306400194', 'display_name': 'arXiv (Cornell University)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I205783295', 'host_organization_name': 'Cornell University', 'host_organization_lineage': ['https://openalex.org/I205783295'], 'host_organization_lineage_names': ['Cornell University'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': ['https://openalex.org/W2157665758', 'https://openalex.org/W3101823919'], 'referenced_works_count': 19, 'referenced_works': ['https://openalex.org/W100944330', 'https://openalex.org/W1530921031', 'https://openalex.org/W1533061882', 'https://openalex.org/W1542431003', 'https://openalex.org/W1983033166', 'https://openalex.org/W2003448897', 'https://openalex.org/W2012205791', 'https://openalex.org/W2019796744', 'https://openalex.org/W2021645737', 'https://openalex.org/W2041664771', 'https://openalex.org/W2068774711', 'https://openalex.org/W2109672112', 'https://openalex.org/W2157152028', 'https://openalex.org/W2167832905', 'https://openalex.org/W2331879206', 'https://openalex.org/W2590237070', 'https://openalex.org/W2608928419', 'https://openalex.org/W2609472622', 'https://openalex.org/W3037293421'], 'related_works': ['https://openalex.org/W814173026', 'https://openalex.org/W4287692999', 'https://openalex.org/W3199908143', 'https://openalex.org/W3089361935', 'https://openalex.org/W3047444260', 'https://openalex.org/W2963635964', 'https://openalex.org/W2739439858', 'https://openalex.org/W2031416685', 'https://openalex.org/W2028618230', 'https://openalex.org/W2027577494'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2157665758', 'counts_by_year': [{'year': 2024, 'cited_by_count': 13}, {'year': 2023, 'cited_by_count': 8}, {'year': 2022, 'cited_by_count': 10}, {'year': 2021, 'cited_by_count': 19}, {'year': 2020, 'cited_by_count': 25}, {'year': 2019, 'cited_by_count': 24}, {'year': 2018, 'cited_by_count': 25}, {'year': 2017, 'cited_by_count': 14}, {'year': 2016, 'cited_by_count': 27}, {'year': 2015, 'cited_by_count': 23}, {'year': 2014, 'cited_by_count': 22}, {'year': 2013, 'cited_by_count': 32}, {'year': 2012, 'cited_by_count': 24}], 'updated_date': '2024-12-24T13:29:43.558027', 'created_date': '2016-06-24'}