{"id":"https://openalex.org/W2139234445","doi":"https://doi.org/10.1007/bf01196658","title":"Some varieties with points only in a field extension","display_name":"Some varieties with points only in a field extension","publication_year":1984,"publication_date":"1984-10-01","ids":{"openalex":"https://openalex.org/W2139234445","doi":"https://doi.org/10.1007/bf01196658","mag":"2139234445"},"language":"en","primary_location":{"id":"doi:10.1007/bf01196658","doi":"https://doi.org/10.1007/bf01196658","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf01196658","pdf_url":null,"source":{"id":"https://openalex.org/S77748030","display_name":"Archiv der Mathematik","issn_l":"0003-889X","issn":["0003-889X","1420-8938"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-3"],"host_organization":"https://openalex.org/P4310320186","host_organization_name":"Birkh\u00e4user","host_organization_lineage":["https://openalex.org/P4310320186","https://openalex.org/P4310319900"],"host_organization_lineage_names":["Birkh\u00e4user","Springer Science+Business Media"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Archiv der Mathematik","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://hdl.handle.net/2027.42/48054","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5102836132","display_name":"Andrew Bremner","orcid":"https://orcid.org/0000-0003-2075-7062","observed_orcids":["https://orcid.org/0000-0003-2075-7062"]},"institutions":[{"id":"https://openalex.org/I241749","display_name":"University of Cambridge","ror":"https://ror.org/013meh722","country_code":"GB","type":"education","lineage":["https://openalex.org/I241749"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Andrew Bremner","raw_affiliation_strings":["Dept. of Pure Mathematics and Mathematical Statistics, Cambridge, England"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Pure Mathematics and Mathematical Statistics, Cambridge, England","institution_ids":["https://openalex.org/I241749"]}]},{"author_position":"middle","author":{"id":null,"display_name":"D. J. Lewis","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"D. J. Lewis","raw_affiliation_strings":["Dept. of Mathematics, The University of Michigan, Ann Arbor, USA","Department of Mathematics, The University of Michigan, Ann Arbor, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Mathematics, The University of Michigan, Ann Arbor, USA","institution_ids":["https://openalex.org/I27837315"]},{"raw_affiliation_string":"Department of Mathematics, The University of Michigan, Ann Arbor, USA","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5080753965","display_name":"Patrick Morton","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I122411786","display_name":"California Institute of Technology","ror":"https://ror.org/05dxps055","country_code":"US","type":"education","lineage":["https://openalex.org/I122411786"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Patrick Morton","raw_affiliation_strings":["Department of Mathematics, California Institute of Technology, Pasadena, USA","Dept of Mathematics, California Institute of Technology, Pasadena, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, California Institute of Technology, Pasadena, USA","institution_ids":["https://openalex.org/I122411786"]},{"raw_affiliation_string":"Dept of Mathematics, California Institute of Technology, Pasadena, USA","institution_ids":["https://openalex.org/I122411786"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3090,"currency":"USD","value_usd":3090},"apc_paid":null,"fwci":3.106,"has_fulltext":true,"cited_by_count":19,"citation_normalized_percentile":{"value":0.93137255,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"43","issue":"4","first_page":"344","last_page":"350"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10061","display_name":"Algebraic Geometry and Number Theory","score":0.9951000213623047,"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/T10061","display_name":"Algebraic Geometry and Number Theory","score":0.9951000213623047,"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/T11680","display_name":"Advanced Algebra and Geometry","score":0.0032999999821186066,"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/T11151","display_name":"Advanced Topology and Set Theory","score":0.00039999998989515007,"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/varieties","display_name":"varieties","score":0.5730000138282776},{"id":"https://openalex.org/keywords/algebraic-geometry-over-finite-fields","display_name":"algebraic geometry over finite fields","score":0.5830000042915344},{"id":"https://openalex.org/keywords/hasse-invariant","display_name":"Hasse invariant","score":0.4860000014305115}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.9320089817047119},{"id":"https://openalex.org/C2778029271","wikidata":"https://www.wikidata.org/wiki/Q5421931","display_name":"Extension (predicate logic)","level":2,"score":0.7877699136734009},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.4630482494831085},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.37164026498794556},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1007/bf01196658","doi":"https://doi.org/10.1007/bf01196658","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf01196658","pdf_url":null,"source":{"id":"https://openalex.org/S77748030","display_name":"Archiv der Mathematik","issn_l":"0003-889X","issn":["0003-889X","1420-8938"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-3"],"host_organization":"https://openalex.org/P4310320186","host_organization_name":"Birkh\u00e4user","host_organization_lineage":["https://openalex.org/P4310320186","https://openalex.org/P4310319900"],"host_organization_lineage_names":["Birkh\u00e4user","Springer Science+Business Media"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Archiv der Mathematik","raw_type":"journal-article"},{"id":"pmh:oai:deepblue.lib.umich.edu:2027.42/48054","doi":null,"is_oa":true,"landing_page_url":"https://hdl.handle.net/2027.42/48054","pdf_url":"https://hdl.handle.net/2027.42/48054","source":{"id":"https://openalex.org/S4306400393","display_name":"Deep Blue (University of Michigan)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I27837315","host_organization_name":"University of Michigan","host_organization_lineage":["https://openalex.org/I27837315"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"}],"best_oa_location":{"id":"pmh:oai:deepblue.lib.umich.edu:2027.42/48054","doi":null,"is_oa":true,"landing_page_url":"https://hdl.handle.net/2027.42/48054","pdf_url":"https://hdl.handle.net/2027.42/48054","source":{"id":"https://openalex.org/S4306400393","display_name":"Deep Blue (University of Michigan)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I27837315","host_organization_name":"University of Michigan","host_organization_lineage":["https://openalex.org/I27837315"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2139234445.pdf","grobid_xml":"https://content.openalex.org/works/W2139234445.grobid-xml"},"referenced_works_count":8,"referenced_works":["https://openalex.org/W656708819","https://openalex.org/W783751714","https://openalex.org/W1554540993","https://openalex.org/W1965166808","https://openalex.org/W1985392764","https://openalex.org/W2051893680","https://openalex.org/W2096419851","https://openalex.org/W2601841695"],"related_works":["https://openalex.org/W4244852918","https://openalex.org/W2034753133","https://openalex.org/W2024611310","https://openalex.org/W1980451085","https://openalex.org/W2503738601","https://openalex.org/W4238649389","https://openalex.org/W2109947312","https://openalex.org/W2008205914","https://openalex.org/W7096173168","https://openalex.org/W1777677683"],"abstract_inverted_index":null,"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}