乐胖代购免代理版

{"id":"https://openalex.org/W2270239307","doi":"https://doi.org/10.1007/s10998-015-0109-9","title":"A note on the Erd\u0151s\u2013Straus conjecture","display_name":"A note on the Erd\u0151s\u2013Straus conjecture","publication_year":2015,"publication_date":"2015-12-29","ids":{"openalex":"https://openalex.org/W2270239307","doi":"https://doi.org/10.1007/s10998-015-0109-9","mag":"2270239307"},"language":"en","primary_location":{"is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10998-015-0109-9","pdf_url":null,"source":{"id":"https://openalex.org/S106707257","display_name":"Periodica Mathematica Hungarica","issn_l":"0031-5303","issn":["0031-5303","1588-2829"],"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":null,"license_id":null,"version":null,"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":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5028968019","display_name":"S. Subburam","orcid":null},"institutions":[{"id":"https://openalex.org/I59611059","display_name":"Institute of Mathematical Sciences","ror":"https://ror.org/05078rg59","country_code":"IN","type":"facility","lineage":["https://openalex.org/I59611059"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"S. Subburam","raw_affiliation_strings":["Department of Mathematics, Institute of Mathematical Sciences, C. I. T. Campus, Chennai, India"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Institute of Mathematical Sciences, C. I. T. Campus, Chennai, India","institution_ids":["https://openalex.org/I59611059"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5067877694","display_name":"Alain Togb\u00e9","orcid":"https://orcid.org/0000-0002-5882-936X"},"institutions":[{"id":"https://openalex.org/I117015748","display_name":"Purdue University Northwest","ror":"https://ror.org/04keq6987","country_code":"US","type":"education","lineage":["https://openalex.org/I117015748"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Alain Togb\u00e9","raw_affiliation_strings":["Department of Mathematics, Purdue University North Central, Westville, USA"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Purdue University North Central, Westville, USA","institution_ids":["https://openalex.org/I117015748"]}]}],"institution_assertions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5067877694"],"corresponding_institution_ids":["https://openalex.org/I117015748"],"apc_list":{"value":2290,"currency":"EUR","value_usd":2890,"provenance":"doaj"},"apc_paid":null,"fwci":0.0,"has_fulltext":true,"fulltext_origin":"ngrams","cited_by_count":1,"citation_normalized_percentile":{"value":0.350062,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":66,"max":73},"biblio":{"volume":"72","issue":"1","first_page":"43","last_page":"49"},"is_retracted":false,"is_paratext":false,"primary_topic":{"id":"https://openalex.org/T11166","display_name":"Analytic Number Theory Research","score":0.9998,"subfield":{"id":"https://openalex.org/subfields/2602","display_name":"Algebra and Number Theory"},"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/T11166","display_name":"Analytic Number Theory Research","score":0.9998,"subfield":{"id":"https://openalex.org/subfields/2602","display_name":"Algebra and Number Theory"},"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":0.9978,"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/T11329","display_name":"Limits and Structures in Graph Theory","score":0.9943,"subfield":{"id":"https://openalex.org/subfields/2607","display_name":"Discrete Mathematics and Combinatorics"},"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/diophantine-approximation","display_name":"Diophantine approximation","score":0.41513294}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8701101},{"id":"https://openalex.org/C206530611","wikidata":"https://www.wikidata.org/wiki/Q905896","display_name":"Diophantine equation","level":2,"score":0.8482487},{"id":"https://openalex.org/C2780990831","wikidata":"https://www.wikidata.org/wiki/Q319141","display_name":"Conjecture","level":2,"score":0.7676201},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.617582},{"id":"https://openalex.org/C102966492","wikidata":"https://www.wikidata.org/wiki/Q1227061","display_name":"Diophantine approximation","level":3,"score":0.41513294}],"mesh":[],"locations_count":1,"locations":[{"is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10998-015-0109-9","pdf_url":null,"source":{"id":"https://openalex.org/S106707257","display_name":"Periodica Mathematica Hungarica","issn_l":"0031-5303","issn":["0031-5303","1588-2829"],"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":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false}],"best_oa_location":null,"sustainable_development_goals":[],"grants":[],"datasets":[],"versions":[],"referenced_works_count":22,"referenced_works":["https://openalex.org/W1012840182","https://openalex.org/W1504307070","https://openalex.org/W1531996733","https://openalex.org/W1555475515","https://openalex.org/W1555700570","https://openalex.org/W1849677603","https://openalex.org/W1980887764","https://openalex.org/W2021125823","https://openalex.org/W2030291502","https://openalex.org/W2035335806","https://openalex.org/W2040006208","https://openalex.org/W2061392832","https://openalex.org/W2070226790","https://openalex.org/W2073594241","https://openalex.org/W2086285540","https://openalex.org/W2268172907","https://openalex.org/W2284242454","https://openalex.org/W2330118942","https://openalex.org/W2733419810","https://openalex.org/W2963784650","https://openalex.org/W3101862607","https://openalex.org/W933247469"],"related_works":["https://openalex.org/W4385711919","https://openalex.org/W4384345859","https://openalex.org/W4323907493","https://openalex.org/W4297688629","https://openalex.org/W3007264409","https://openalex.org/W2378613393","https://openalex.org/W2370478068","https://openalex.org/W2323172212","https://openalex.org/W1799780713","https://openalex.org/W1550725800"],"abstract_inverted_index":null,"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W2270239307","counts_by_year":[{"year":2021,"cited_by_count":1}],"updated_date":"2024-12-17T15:34:15.627873","created_date":"2016-06-24"}