{"id":"https://openalex.org/W2012455721","doi":"https://doi.org/10.1002/malq.201020084","title":"A characterization of retracts in certain Fra\u00efss\u00e9 limits","display_name":"A characterization of retracts in certain Fra\u00efss\u00e9 limits","publication_year":2011,"publication_date":"2011-08-02","ids":{"openalex":"https://openalex.org/W2012455721","doi":"https://doi.org/10.1002/malq.201020084","mag":"2012455721"},"language":"en","primary_location":{"id":"doi:10.1002/malq.201020084","is_oa":false,"landing_page_url":"https://doi.org/10.1002/malq.201020084","pdf_url":null,"source":{"id":"https://openalex.org/S172351290","display_name":"Mathematical logic quarterly","issn_l":"0942-5616","issn":["0942-5616","1521-3870"],"is_oa":false,"is_in_doaj":false,"is_core":true,"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":"Mathematical Logic Quarterly","raw_type":"journal-article"},"type":"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/A5043260756","display_name":"Igor Dolinka","orcid":"https://orcid.org/0000-0002-8644-0626"},"institutions":[{"id":"https://openalex.org/I170726198","display_name":"University of Novi Sad","ror":"https://ror.org/00xa57a59","country_code":"RS","type":"education","lineage":["https://openalex.org/I170726198"]}],"countries":["RS"],"is_corresponding":true,"raw_author_name":"Igor Dolinka","raw_affiliation_strings":["Department of Mathematics and Informatics, University of Novi Sad, Trg Dositeja Obradovic\u0301a 4, 21000 Novi Sad, Serbia","Department of Mathematics and Informatics; University of Novi Sad, Trg Dositeja Obradovica 4; 21000 Novi Sad Serbia"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics and Informatics, University of Novi Sad, Trg Dositeja Obradovic\u0301a 4, 21000 Novi Sad, Serbia","institution_ids":["https://openalex.org/I170726198"]},{"raw_affiliation_string":"Department of Mathematics and Informatics; University of Novi Sad, Trg Dositeja Obradovica 4; 21000 Novi Sad Serbia","institution_ids":["https://openalex.org/I170726198"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5043260756"],"corresponding_institution_ids":["https://openalex.org/I170726198"],"apc_list":{"value":2630,"currency":"USD","value_usd":2630},"apc_paid":null,"fwci":0.7548,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.67992313,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"58","issue":"1-2","first_page":"46","last_page":"54"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11151","display_name":"Advanced Topology and Set Theory","score":0.9994000196456909,"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/T11151","display_name":"Advanced Topology and Set Theory","score":0.9994000196456909,"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/T10588","display_name":"Mathematical Dynamics and Fractals","score":0.9991000294685364,"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/T12508","display_name":"Functional Equations Stability Results","score":0.9952999949455261,"subfield":{"id":"https://openalex.org/subfields/2604","display_name":"Applied Mathematics"},"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/mathematics","display_name":"Mathematics","score":0.7747350335121155},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.6785709857940674},{"id":"https://openalex.org/keywords/limit","display_name":"Limit (mathematics)","score":0.6178146600723267},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.570072591304779},{"id":"https://openalex.org/keywords/characterization","display_name":"Characterization (materials science)","score":0.5118133425712585},{"id":"https://openalex.org/keywords/order","display_name":"Order (exchange)","score":0.48889413475990295},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.4534949064254761},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.42615413665771484},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.24675434827804565},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.15399456024169922},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.059638023376464844}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.7747350335121155},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.6785709857940674},{"id":"https://openalex.org/C151201525","wikidata":"https://www.wikidata.org/wiki/Q177239","display_name":"Limit (mathematics)","level":2,"score":0.6178146600723267},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.570072591304779},{"id":"https://openalex.org/C2780841128","wikidata":"https://www.wikidata.org/wiki/Q5073781","display_name":"Characterization (materials science)","level":2,"score":0.5118133425712585},{"id":"https://openalex.org/C182306322","wikidata":"https://www.wikidata.org/wiki/Q1779371","display_name":"Order (exchange)","level":2,"score":0.48889413475990295},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.4534949064254761},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.42615413665771484},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.24675434827804565},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.15399456024169922},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.059638023376464844},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","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/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1002/malq.201020084","is_oa":false,"landing_page_url":"https://doi.org/10.1002/malq.201020084","pdf_url":null,"source":{"id":"https://openalex.org/S172351290","display_name":"Mathematical logic quarterly","issn_l":"0942-5616","issn":["0942-5616","1521-3870"],"is_oa":false,"is_in_doaj":false,"is_core":true,"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":"Mathematical Logic Quarterly","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.46000000834465027,"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320334771","display_name":"Science and Engineering Research Board","ror":"https://ror.org/03ffdsr55"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W1977517542","https://openalex.org/W1996739125","https://openalex.org/W2015562991","https://openalex.org/W2019621810","https://openalex.org/W2032686865","https://openalex.org/W2058971493","https://openalex.org/W2065302746","https://openalex.org/W2071883700","https://openalex.org/W2080407129","https://openalex.org/W2084723479","https://openalex.org/W2086984382","https://openalex.org/W2089544611","https://openalex.org/W2104795094","https://openalex.org/W2108989460","https://openalex.org/W2160561470","https://openalex.org/W2316896557","https://openalex.org/W2407737784","https://openalex.org/W2598159508","https://openalex.org/W3099382020"],"related_works":["https://openalex.org/W1978042415","https://openalex.org/W2941394577","https://openalex.org/W2153822684","https://openalex.org/W2333313290","https://openalex.org/W2331934617","https://openalex.org/W3099925930","https://openalex.org/W2018065383","https://openalex.org/W2387738704","https://openalex.org/W2007735529","https://openalex.org/W1560139384"],"abstract_inverted_index":{"Abstract":[0],"Assuming":[1],"certain":[2],"conditions":[3],"on":[4],"a":[5,18,32],"class":[6,33],"\\documentclass{article}\\usepackage{amssymb,amsmath,mathrsfs}\\begin{document}\\pagestyle{empty}$\\mathscr{C}$\\end{document}":[7,37],"of":[8,17,24,47,49],"finitely":[9],"generated":[10],"first\u2010order":[11],"structures":[12,30],"admitting":[13],"the":[14,50],"model\u2010theoretical":[15],"construction":[16],"Fra\u00efss\u00e9":[19],"limit,":[20],"we":[21,42],"characterize":[22],"retracts":[23,48],"such":[25],"limits":[26],"as":[27],"algebraically":[28],"closed":[29],"in":[31],"naturally":[34],"related":[35],"to":[36],".":[38],"In":[39],"this":[40],"way":[41],"generalize":[43],"an":[44],"earlier":[45],"description":[46],"countably":[51],"infinite":[52],"random":[53],"graph.":[54]},"counts_by_year":[{"year":2018,"cited_by_count":5},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
