Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1975339564', 'doi': 'https://doi.org/10.1016/0550-3213(72)90587-1', 'title': 'Covariant expansion of the conformal four -point function', 'display_name': 'Covariant expansion of the conformal four -point function', 'publication_year': 1972, 'publication_date': '1972-12-01', 'ids': {'openalex': 'https://openalex.org/W1975339564', 'doi': 'https://doi.org/10.1016/0550-3213(72)90587-1', 'mag': '1975339564'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/0550-3213(72)90587-1', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4210194812', 'display_name': 'Nuclear Physics B', 'issn_l': '0550-3213', 'issn': ['0550-3213', '1873-1562'], 'is_oa': True, 'is_in_doaj': True, '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': 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/A5045196939', 'display_name': 'S. Ferrara', 'orcid': 'https://orcid.org/0000-0001-7662-3480'}, 'institutions': [{'id': 'https://openalex.org/I4210142660', 'display_name': 'Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati', 'ror': 'https://ror.org/049jf1a25', 'country_code': 'IT', 'type': 'facility', 'lineage': ['https://openalex.org/I160013858', 'https://openalex.org/I4210142660']}], 'countries': ['IT'], 'is_corresponding': False, 'raw_author_name': 'S. Ferrara', 'raw_affiliation_strings': ['Laboratori Nazionali di Frascati del CNEN, Rome, Italy'], 'affiliations': [{'raw_affiliation_string': 'Laboratori Nazionali di Frascati del CNEN, Rome, Italy', 'institution_ids': ['https://openalex.org/I4210142660']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5113620456', 'display_name': 'A. F. Grillo', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210142660', 'display_name': 'Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati', 'ror': 'https://ror.org/049jf1a25', 'country_code': 'IT', 'type': 'facility', 'lineage': ['https://openalex.org/I160013858', 'https://openalex.org/I4210142660']}], 'countries': ['IT'], 'is_corresponding': False, 'raw_author_name': 'A.F. Grillo', 'raw_affiliation_strings': ['Laboratori Nazionali di Frascati del CNEN, Rome, Italy'], 'affiliations': [{'raw_affiliation_string': 'Laboratori Nazionali di Frascati del CNEN, Rome, Italy', 'institution_ids': ['https://openalex.org/I4210142660']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5103038268', 'display_name': 'G. Parisi', 'orcid': 'https://orcid.org/0009-0007-9853-4869'}, 'institutions': [{'id': 'https://openalex.org/I4210142660', 'display_name': 'Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati', 'ror': 'https://ror.org/049jf1a25', 'country_code': 'IT', 'type': 'facility', 'lineage': ['https://openalex.org/I160013858', 'https://openalex.org/I4210142660']}], 'countries': ['IT'], 'is_corresponding': False, 'raw_author_name': 'G. Parisi', 'raw_affiliation_strings': ['Laboratori Nazionali di Frascati del CNEN, Rome, Italy'], 'affiliations': [{'raw_affiliation_string': 'Laboratori Nazionali di Frascati del CNEN, Rome, Italy', 'institution_ids': ['https://openalex.org/I4210142660']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5067967964', 'display_name': 'R. Gatto', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I160013858', 'display_name': 'Istituto Nazionale di Fisica Nucleare', 'ror': 'https://ror.org/005ta0471', 'country_code': 'IT', 'type': 'government', 'lineage': ['https://openalex.org/I160013858']}], 'countries': ['IT'], 'is_corresponding': False, 'raw_author_name': 'R. Gatto', 'raw_affiliation_strings': ['Istituto Nazionale di Fisica Nucleare, Sezione di Roma, Rome, Italy', "Istituto di Fisica del l'Università di Roma, Rome, Italy"], 'affiliations': [{'raw_affiliation_string': 'Istituto Nazionale di Fisica Nucleare, Sezione di Roma, Rome, Italy', 'institution_ids': ['https://openalex.org/I160013858']}, {'raw_affiliation_string': "Istituto di Fisica del l'Università di Roma, Rome, Italy", 'institution_ids': []}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 2, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 0, 'currency': 'USD', 'value_usd': 0, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 1.1, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 196, 'citation_normalized_percentile': {'value': 0.960131, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 98, 'max': 99}, 'biblio': {'volume': '49', 'issue': None, 'first_page': '77', 'last_page': '98'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10048', 'display_name': 'Particle physics theoretical and experimental studies', 'score': 0.996, '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/T10048', 'display_name': 'Particle physics theoretical and experimental studies', 'score': 0.996, '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/T10224', 'display_name': 'Quantum Chromodynamics and Particle Interactions', 'score': 0.9943, '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/T10559', 'display_name': 'Particle Accelerators and Free-Electron Lasers', 'score': 0.9926, 'subfield': {'id': 'https://openalex.org/subfields/2208', 'display_name': 'Electrical and Electronic Engineering'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [], 'concepts': [{'id': 'https://openalex.org/C9136319', 'wikidata': 'https://www.wikidata.org/wiki/Q362640', 'display_name': 'Covariant transformation', 'level': 2, 'score': 0.76340884}, {'id': 'https://openalex.org/C79464548', 'wikidata': 'https://www.wikidata.org/wiki/Q464794', 'display_name': 'Minkowski space', 'level': 2, 'score': 0.7179825}, {'id': 'https://openalex.org/C12843', 'wikidata': 'https://www.wikidata.org/wiki/Q201721', 'display_name': 'Gravitational singularity', 'level': 2, 'score': 0.6970632}, {'id': 'https://openalex.org/C98214594', 'wikidata': 'https://www.wikidata.org/wiki/Q850275', 'display_name': 'Conformal map', 'level': 2, 'score': 0.6555404}, {'id': 'https://openalex.org/C37914503', 'wikidata': 'https://www.wikidata.org/wiki/Q156495', 'display_name': 'Mathematical physics', 'level': 1, 'score': 0.5850704}, {'id': 'https://openalex.org/C80899671', 'wikidata': 'https://www.wikidata.org/wiki/Q1304193', 'display_name': 'Vertex (graph theory)', 'level': 3, 'score': 0.5433337}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.5308472}, {'id': 'https://openalex.org/C186450821', 'wikidata': 'https://www.wikidata.org/wiki/Q17295', 'display_name': 'Euclidean space', 'level': 2, 'score': 0.48661742}, {'id': 'https://openalex.org/C202444582', 'wikidata': 'https://www.wikidata.org/wiki/Q837863', 'display_name': 'Pure mathematics', 'level': 1, 'score': 0.48465067}, {'id': 'https://openalex.org/C28719098', 'wikidata': 'https://www.wikidata.org/wiki/Q44946', 'display_name': 'Point (geometry)', 'level': 2, 'score': 0.4405353}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.39980343}, {'id': 'https://openalex.org/C134306372', 'wikidata': 'https://www.wikidata.org/wiki/Q7754', 'display_name': 'Mathematical analysis', 'level': 1, 'score': 0.38485593}, {'id': 'https://openalex.org/C2524010', 'wikidata': 'https://www.wikidata.org/wiki/Q8087', 'display_name': 'Geometry', 'level': 1, 'score': 0.2380743}, {'id': 'https://openalex.org/C114614502', 'wikidata': 'https://www.wikidata.org/wiki/Q76592', 'display_name': 'Combinatorics', 'level': 1, 'score': 0.11920309}, {'id': 'https://openalex.org/C132525143', 'wikidata': 'https://www.wikidata.org/wiki/Q141488', 'display_name': 'Graph', 'level': 2, 'score': 0.105088025}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/0550-3213(72)90587-1', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4210194812', 'display_name': 'Nuclear Physics B', 'issn_l': '0550-3213', 'issn': ['0550-3213', '1873-1562'], 'is_oa': True, 'is_in_doaj': True, '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': 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': 23, 'referenced_works': ['https://openalex.org/W1625907558', 'https://openalex.org/W1998041100', 'https://openalex.org/W1998365521', 'https://openalex.org/W2000204552', 'https://openalex.org/W2001271379', 'https://openalex.org/W2002094144', 'https://openalex.org/W2003423872', 'https://openalex.org/W2005960154', 'https://openalex.org/W2010405760', 'https://openalex.org/W2012864725', 'https://openalex.org/W2015832630', 'https://openalex.org/W2016172876', 'https://openalex.org/W2021518257', 'https://openalex.org/W2024540051', 'https://openalex.org/W2028217283', 'https://openalex.org/W2049523947', 'https://openalex.org/W2060629168', 'https://openalex.org/W2072033282', 'https://openalex.org/W2113469367', 'https://openalex.org/W2154047533', 'https://openalex.org/W2161163222', 'https://openalex.org/W2232221069', 'https://openalex.org/W2798446640'], 'related_works': ['https://openalex.org/W4300523519', 'https://openalex.org/W4226024638', 'https://openalex.org/W3177275430', 'https://openalex.org/W2963620324', 'https://openalex.org/W2482240325', 'https://openalex.org/W2167840431', 'https://openalex.org/W2062513055', 'https://openalex.org/W2026512920', 'https://openalex.org/W2025009645', 'https://openalex.org/W1515548850'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1975339564', 'counts_by_year': [{'year': 2024, 'cited_by_count': 12}, {'year': 2023, 'cited_by_count': 13}, {'year': 2022, 'cited_by_count': 6}, {'year': 2021, 'cited_by_count': 21}, {'year': 2020, 'cited_by_count': 20}, {'year': 2019, 'cited_by_count': 15}, {'year': 2018, 'cited_by_count': 15}, {'year': 2017, 'cited_by_count': 21}, {'year': 2016, 'cited_by_count': 13}, {'year': 2015, 'cited_by_count': 9}, {'year': 2014, 'cited_by_count': 8}, {'year': 2013, 'cited_by_count': 4}, {'year': 2012, 'cited_by_count': 3}], 'updated_date': '2024-12-17T10:40:14.318106', 'created_date': '2016-06-24'}