{"id":"https://openalex.org/W2129241506","doi":"https://doi.org/10.1111/j.1749-6632.1989.tb50513.x","title":"Difficulties with Inflationary Cosmology a","display_name":"Difficulties with Inflationary Cosmology a","publication_year":1989,"publication_date":"1989-12-01","ids":{"openalex":"https://openalex.org/W2129241506","doi":"https://doi.org/10.1111/j.1749-6632.1989.tb50513.x","mag":"2129241506"},"language":"en","primary_location":{"id":"doi:10.1111/j.1749-6632.1989.tb50513.x","doi":"https://doi.org/10.1111/j.1749-6632.1989.tb50513.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1749-6632.1989.tb50513.x","pdf_url":null,"source":{"id":"https://openalex.org/S8802318","display_name":"Annals of the New York Academy of Sciences","issn_l":"0077-8923","issn":["0077-8923","1749-6632"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","ki-jl-1","medline","norway-1","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Annals of the New York Academy of Sciences","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5014894861","display_name":"Roger Penrose","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I40120149","display_name":"University of Oxford","ror":"https://ror.org/052gg0110","country_code":"GB","type":"education","lineage":["https://openalex.org/I40120149"]},{"id":"https://openalex.org/I70983195","display_name":"Syracuse University","ror":"https://ror.org/025r5qe02","country_code":"US","type":"education","lineage":["https://openalex.org/I70983195"]}],"countries":["GB","US"],"is_corresponding":true,"raw_author_name":"ROGER PENROSE","raw_affiliation_strings":["Department of Physics Syracuse University Syracuse, New York 13210","Mathematical Institute Oxford University Oxford OX1 3LB, United Kingdom and"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics Syracuse University Syracuse, New York 13210","institution_ids":["https://openalex.org/I70983195"]},{"raw_affiliation_string":"Mathematical Institute Oxford University Oxford OX1 3LB, United Kingdom and","institution_ids":["https://openalex.org/I40120149"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5014894861"],"corresponding_institution_ids":["https://openalex.org/I40120149","https://openalex.org/I70983195"],"apc_list":{"value":5080,"currency":"USD","value_usd":5080},"apc_paid":null,"fwci":3.3859,"has_fulltext":false,"cited_by_count":177,"citation_normalized_percentile":{"value":0.90049618,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":100},"biblio":{"volume":"571","issue":"1","first_page":"249","last_page":"264"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10095","display_name":"Cosmology and Gravitation Theories","score":0.9990000128746033,"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"}},"topics":[{"id":"https://openalex.org/T10095","display_name":"Cosmology and Gravitation Theories","score":0.9990000128746033,"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/T10026","display_name":"Galaxies: Formation, Evolution, Phenomena","score":9.999999747378752e-05,"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/T11415","display_name":"Noncommutative and Quantum Gravity Theories","score":9.999999747378752e-05,"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/cosmic-inflation","display_name":"cosmic inflation","score":0.9950000047683716}],"concepts":[{"id":"https://openalex.org/C2780708616","wikidata":"https://www.wikidata.org/wiki/Q193866","display_name":"Annals","level":2,"score":0.7291213870048523},{"id":"https://openalex.org/C2776501734","wikidata":"https://www.wikidata.org/wiki/Q527496","display_name":"Emperor","level":2,"score":0.5519140958786011},{"id":"https://openalex.org/C2778805511","wikidata":"https://www.wikidata.org/wiki/Q1713","display_name":"Citation","level":2,"score":0.5387725234031677},{"id":"https://openalex.org/C161191863","wikidata":"https://www.wikidata.org/wiki/Q199655","display_name":"Library science","level":1,"score":0.4696580469608307},{"id":"https://openalex.org/C74916050","wikidata":"https://www.wikidata.org/wiki/Q841090","display_name":"Classics","level":1,"score":0.4120328724384308},{"id":"https://openalex.org/C95457728","wikidata":"https://www.wikidata.org/wiki/Q309","display_name":"History","level":0,"score":0.33477991819381714},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2644774317741394},{"id":"https://openalex.org/C195244886","wikidata":"https://www.wikidata.org/wiki/Q41493","display_name":"Ancient history","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1111/j.1749-6632.1989.tb50513.x","doi":"https://doi.org/10.1111/j.1749-6632.1989.tb50513.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1749-6632.1989.tb50513.x","pdf_url":null,"source":{"id":"https://openalex.org/S8802318","display_name":"Annals of the New York Academy of Sciences","issn_l":"0077-8923","issn":["0077-8923","1749-6632"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","ki-jl-1","medline","norway-1","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Annals of the New York Academy of Sciences","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1973861971","https://openalex.org/W2012869970","https://openalex.org/W2017483000","https://openalex.org/W2028342982","https://openalex.org/W2048737175","https://openalex.org/W2077165246","https://openalex.org/W2086166831","https://openalex.org/W2090386790","https://openalex.org/W2118084428","https://openalex.org/W2134251287","https://openalex.org/W2253332698","https://openalex.org/W2582858483","https://openalex.org/W2727942846","https://openalex.org/W3017574896","https://openalex.org/W4236177012","https://openalex.org/W4249515449","https://openalex.org/W4255721438"],"related_works":["https://openalex.org/W2132260674","https://openalex.org/W2002028014","https://openalex.org/W4252369965","https://openalex.org/W3009349336","https://openalex.org/W2039660482","https://openalex.org/W1965595362","https://openalex.org/W1997139863","https://openalex.org/W2026521998","https://openalex.org/W3005765568","https://openalex.org/W2080098458"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":15},{"year":2025,"cited_by_count":9},{"year":2024,"cited_by_count":14},{"year":2023,"cited_by_count":10},{"year":2022,"cited_by_count":12},{"year":2021,"cited_by_count":9},{"year":2020,"cited_by_count":6},{"year":2019,"cited_by_count":7},{"year":2018,"cited_by_count":14},{"year":2017,"cited_by_count":6},{"year":2016,"cited_by_count":5},{"year":2015,"cited_by_count":12},{"year":2014,"cited_by_count":8},{"year":2013,"cited_by_count":9},{"year":2012,"cited_by_count":4}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2016-06-24T00:00:00"}
