Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W3099206943', 'doi': 'https://doi.org/10.1088/1126-6708/2007/09/038', 'title': 'Expanding F-theory', 'display_name': 'Expanding F-theory', 'publication_year': 2007, 'publication_date': '2007-09-11', 'ids': {'openalex': 'https://openalex.org/W3099206943', 'doi': 'https://doi.org/10.1088/1126-6708/2007/09/038', 'mag': '3099206943'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1088/1126-6708/2007/09/038', 'pdf_url': 'https://iopscience.iop.org/article/10.1088/1126-6708/2007/09/038/pdf', 'source': {'id': 'https://openalex.org/S187585107', 'display_name': 'Journal of High Energy Physics', 'issn_l': '1029-8479', 'issn': ['1029-8479', '1126-6708', '1127-2236'], 'is_oa': True, 'is_in_doaj': True, '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': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'datacite'], 'open_access': {'is_oa': True, 'oa_status': 'bronze', 'oa_url': 'https://iopscience.iop.org/article/10.1088/1126-6708/2007/09/038/pdf', 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5016762597', 'display_name': 'Matthew Kleban', 'orcid': 'https://orcid.org/0000-0002-1889-2487'}, 'institutions': [{'id': 'https://openalex.org/I57206974', 'display_name': 'New York University', 'ror': 'https://ror.org/0190ak572', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I57206974']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Matthew Kleban', 'raw_affiliation_strings': ['Center for Cosmology and Particle Physics, Department of Physics, New York University, 4 Washington Place, New York, NY 10003, U.S.A.'], 'affiliations': [{'raw_affiliation_string': 'Center for Cosmology and Particle Physics, Department of Physics, New York University, 4 Washington Place, New York, NY 10003, U.S.A.', 'institution_ids': ['https://openalex.org/I57206974']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5006043545', 'display_name': 'Michele Redi', 'orcid': 'https://orcid.org/0000-0002-6747-832X'}, 'institutions': [{'id': 'https://openalex.org/I57206974', 'display_name': 'New York University', 'ror': 'https://ror.org/0190ak572', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I57206974']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Michele Redi', 'raw_affiliation_strings': ['Center for Cosmology and Particle Physics, Department of Physics, New York University, 4 Washington Place, New York, NY 10003, U.S.A.'], 'affiliations': [{'raw_affiliation_string': 'Center for Cosmology and Particle Physics, Department of Physics, New York University, 4 Washington Place, New York, NY 10003, U.S.A.', 'institution_ids': ['https://openalex.org/I57206974']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 0, 'currency': 'USD', 'value_usd': 0, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 11, 'citation_normalized_percentile': {'value': 0.683932, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 83, 'max': 84}, 'biblio': {'volume': '2007', 'issue': '09', 'first_page': '038', 'last_page': '038'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10025', 'display_name': 'Black Holes and Theoretical Physics', 'score': 0.9998, 'subfield': {'id': 'https://openalex.org/subfields/3106', 'display_name': 'Nuclear and High Energy Physics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10025', 'display_name': 'Black Holes and Theoretical Physics', 'score': 0.9998, 'subfield': {'id': 'https://openalex.org/subfields/3106', 'display_name': 'Nuclear and High Energy Physics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T10095', 'display_name': 'Cosmology and Gravitation Theories', 'score': 0.9988, 'subfield': {'id': 'https://openalex.org/subfields/3103', 'display_name': 'Astronomy and Astrophysics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T10048', 'display_name': 'Particle physics theoretical and experimental studies', 'score': 0.9687, 'subfield': {'id': 'https://openalex.org/subfields/3106', 'display_name': 'Nuclear and High Energy Physics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/codimension', 'display_name': 'Codimension', 'score': 0.7988349}], 'concepts': [{'id': 'https://openalex.org/C83979697', 'wikidata': 'https://www.wikidata.org/wiki/Q1778247', 'display_name': 'Codimension', 'level': 2, 'score': 0.7988349}, {'id': 'https://openalex.org/C184720557', 'wikidata': 'https://www.wikidata.org/wiki/Q7825049', 'display_name': 'Topology (electrical circuits)', 'level': 2, 'score': 0.57908595}, {'id': 'https://openalex.org/C2778572836', 'wikidata': 'https://www.wikidata.org/wiki/Q380933', 'display_name': 'Space (punctuation)', 'level': 2, 'score': 0.5527222}, {'id': 'https://openalex.org/C2777212361', 'wikidata': 'https://www.wikidata.org/wiki/Q5127848', 'display_name': 'Class (philosophy)', 'level': 2, 'score': 0.53170305}, {'id': 'https://openalex.org/C176217482', 'wikidata': 'https://www.wikidata.org/wiki/Q860554', 'display_name': 'Metric (unit)', 'level': 2, 'score': 0.5165602}, {'id': 'https://openalex.org/C2776036281', 'wikidata': 'https://www.wikidata.org/wiki/Q48769818', 'display_name': 'Constraint (computer-aided design)', 'level': 2, 'score': 0.50981826}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.4962042}, {'id': 'https://openalex.org/C202444582', 'wikidata': 'https://www.wikidata.org/wiki/Q837863', 'display_name': 'Pure mathematics', 'level': 1, 'score': 0.48770794}, {'id': 'https://openalex.org/C57979875', 'wikidata': 'https://www.wikidata.org/wiki/Q15091423', 'display_name': 'Brane cosmology', 'level': 2, 'score': 0.47880608}, {'id': 'https://openalex.org/C198043062', 'wikidata': 'https://www.wikidata.org/wiki/Q180953', 'display_name': 'Metric space', 'level': 2, 'score': 0.43153483}, {'id': 'https://openalex.org/C2777299769', 'wikidata': 'https://www.wikidata.org/wiki/Q3707858', 'display_name': 'Type (biology)', 'level': 2, 'score': 0.43089604}, {'id': 'https://openalex.org/C18648836', 'wikidata': 'https://www.wikidata.org/wiki/Q381892', 'display_name': 'Compact space', 'level': 2, 'score': 0.4241688}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.42149556}, {'id': 'https://openalex.org/C134306372', 'wikidata': 'https://www.wikidata.org/wiki/Q7754', 'display_name': 'Mathematical analysis', 'level': 1, 'score': 0.3660538}, {'id': 'https://openalex.org/C37914503', 'wikidata': 'https://www.wikidata.org/wiki/Q156495', 'display_name': 'Mathematical physics', 'level': 1, 'score': 0.24517465}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.16342574}, {'id': 'https://openalex.org/C2524010', 'wikidata': 'https://www.wikidata.org/wiki/Q8087', 'display_name': 'Geometry', 'level': 1, 'score': 0.15752879}, {'id': 'https://openalex.org/C114614502', 'wikidata': 'https://www.wikidata.org/wiki/Q76592', 'display_name': 'Combinatorics', 'level': 1, 'score': 0.12671807}, {'id': 'https://openalex.org/C21547014', 'wikidata': 'https://www.wikidata.org/wiki/Q1423657', 'display_name': 'Operations management', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C154945302', 'wikidata': 'https://www.wikidata.org/wiki/Q11660', 'display_name': 'Artificial intelligence', 'level': 1, '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/C18903297', 'wikidata': 'https://www.wikidata.org/wiki/Q7150', 'display_name': 'Ecology', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C111919701', 'wikidata': 'https://www.wikidata.org/wiki/Q9135', 'display_name': 'Operating system', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 2, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.1088/1126-6708/2007/09/038', 'pdf_url': 'https://iopscience.iop.org/article/10.1088/1126-6708/2007/09/038/pdf', 'source': {'id': 'https://openalex.org/S187585107', 'display_name': 'Journal of High Energy Physics', 'issn_l': '1029-8479', 'issn': ['1029-8479', '1126-6708', '1127-2236'], 'is_oa': True, 'is_in_doaj': True, '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': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': False, 'landing_page_url': 'https://api.datacite.org/dois/10.48550/arxiv.0705.2020', '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://doi.org/10.1088/1126-6708/2007/09/038', 'pdf_url': 'https://iopscience.iop.org/article/10.1088/1126-6708/2007/09/038/pdf', 'source': {'id': 'https://openalex.org/S187585107', 'display_name': 'Journal of High Energy Physics', 'issn_l': '1029-8479', 'issn': ['1029-8479', '1126-6708', '1127-2236'], 'is_oa': True, 'is_in_doaj': True, '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': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [{'display_name': 'Sustainable cities and communities', 'id': 'https://metadata.un.org/sdg/11', 'score': 0.71}], 'grants': [], 'datasets': [], 'versions': ['https://openalex.org/W1989032222', 'https://openalex.org/W3099206943'], 'referenced_works_count': 39, 'referenced_works': ['https://openalex.org/W1704059906', 'https://openalex.org/W1843094897', 'https://openalex.org/W1970917055', 'https://openalex.org/W1978029160', 'https://openalex.org/W1992871737', 'https://openalex.org/W1994127250', 'https://openalex.org/W2004118403', 'https://openalex.org/W2017751440', 'https://openalex.org/W2020731930', 'https://openalex.org/W2022955804', 'https://openalex.org/W2028727458', 'https://openalex.org/W2036184662', 'https://openalex.org/W2038498431', 'https://openalex.org/W2038906081', 'https://openalex.org/W2048041714', 'https://openalex.org/W2049597591', 'https://openalex.org/W2052684603', 'https://openalex.org/W2060688832', 'https://openalex.org/W2071491215', 'https://openalex.org/W2080764770', 'https://openalex.org/W2112897863', 'https://openalex.org/W2119166500', 'https://openalex.org/W2121668676', 'https://openalex.org/W2135566830', 'https://openalex.org/W2141554589', 'https://openalex.org/W2144247327', 'https://openalex.org/W2149671832', 'https://openalex.org/W2152740014', 'https://openalex.org/W2158225835', 'https://openalex.org/W3037152729', 'https://openalex.org/W3098784140', 'https://openalex.org/W3098912958', 'https://openalex.org/W3098993251', 'https://openalex.org/W3099273571', 'https://openalex.org/W3102339300', 'https://openalex.org/W3102865305', 'https://openalex.org/W3103201171', 'https://openalex.org/W4237430678', 'https://openalex.org/W4256700228'], 'related_works': ['https://openalex.org/W4366459492', 'https://openalex.org/W3101097136', 'https://openalex.org/W3002561125', 'https://openalex.org/W2952962099', 'https://openalex.org/W2950310075', 'https://openalex.org/W2888983762', 'https://openalex.org/W2785558381', 'https://openalex.org/W2011180239', 'https://openalex.org/W1861797342', 'https://openalex.org/W1857965980'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W3099206943', 'counts_by_year': [{'year': 2021, 'cited_by_count': 1}, {'year': 2014, 'cited_by_count': 2}, {'year': 2013, 'cited_by_count': 2}, {'year': 2012, 'cited_by_count': 3}], 'updated_date': '2024-12-09T18:35:44.412387', 'created_date': '2020-11-23'}