{"id":"https://openalex.org/W2028426890","doi":"https://doi.org/10.1007/s00373-011-1097-z","title":"A Refinement of Leaves on Noncrossing Trees","display_name":"A Refinement of Leaves on Noncrossing Trees","publication_year":2011,"publication_date":"2011-10-10","ids":{"openalex":"https://openalex.org/W2028426890","doi":"https://doi.org/10.1007/s00373-011-1097-z","mag":"2028426890"},"language":"en","primary_location":{"id":"doi:10.1007/s00373-011-1097-z","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00373-011-1097-z","pdf_url":null,"source":{"id":"https://openalex.org/S186126824","display_name":"Graphs and Combinatorics","issn_l":"0911-0119","issn":["0911-0119","1435-5914"],"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/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Graphs and Combinatorics","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/A5011840080","display_name":"Sabrina X. M. Pang","orcid":null},"institutions":[{"id":"https://openalex.org/I113992204","display_name":"Hebei University of Economics and Business","ror":"https://ror.org/05j1kc284","country_code":"CN","type":"education","lineage":["https://openalex.org/I113992204"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Sabrina X. M. Pang","raw_affiliation_strings":["College of Mathematics and Statistics, Hebei University of Economics and Business, Shijiazhuang, 050061, People\u2019s Republic of China","College of Mathematics and Statistics, Hebei University of Economics and Business, Shijiazhuang, People's Republic of China 050061#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Mathematics and Statistics, Hebei University of Economics and Business, Shijiazhuang, 050061, People\u2019s Republic of China","institution_ids":["https://openalex.org/I113992204"]},{"raw_affiliation_string":"College of Mathematics and Statistics, Hebei University of Economics and Business, Shijiazhuang, People's Republic of China 050061#TAB#","institution_ids":["https://openalex.org/I113992204"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5087997130","display_name":"Lun Lv","orcid":null},"institutions":[{"id":"https://openalex.org/I34155123","display_name":"Hebei University of Science and Technology","ror":"https://ror.org/05h3pkk68","country_code":"CN","type":"education","lineage":["https://openalex.org/I34155123"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Lun Lv","raw_affiliation_strings":["School of Sciences, Hebei University of Science and Technology, Shijiazhuang, 050018, People\u2019s Republic of China","School of Sciences, Hebei University of Science and Technology, Shijiazhuang, People's Republic of China 050018#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Sciences, Hebei University of Science and Technology, Shijiazhuang, 050018, People\u2019s Republic of China","institution_ids":["https://openalex.org/I34155123"]},{"raw_affiliation_string":"School of Sciences, Hebei University of Science and Technology, Shijiazhuang, People's Republic of China 050018#TAB#","institution_ids":["https://openalex.org/I34155123"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5087997130"],"corresponding_institution_ids":["https://openalex.org/I34155123"],"apc_list":{"value":2890,"currency":"USD","value_usd":2890},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.1160028,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":"29","issue":"1","first_page":"131","last_page":"143"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10948","display_name":"Advanced Combinatorial Mathematics","score":0.9980999827384949,"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"}},"topics":[{"id":"https://openalex.org/T10948","display_name":"Advanced Combinatorial Mathematics","score":0.9980999827384949,"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"}},{"id":"https://openalex.org/T11567","display_name":"semigroups and automata theory","score":0.987500011920929,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12541","display_name":"Graph Labeling and Dimension Problems","score":0.987500011920929,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.8420400619506836},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.7798538208007812},{"id":"https://openalex.org/keywords/bijection","display_name":"Bijection","score":0.7713789939880371},{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.4910862445831299},{"id":"https://openalex.org/keywords/root","display_name":"Root (linguistics)","score":0.43888264894485474},{"id":"https://openalex.org/keywords/botany","display_name":"Botany","score":0.35646021366119385},{"id":"https://openalex.org/keywords/biology","display_name":"Biology","score":0.140469491481781}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8420400619506836},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.7798538208007812},{"id":"https://openalex.org/C24424167","wikidata":"https://www.wikidata.org/wiki/Q180907","display_name":"Bijection","level":2,"score":0.7713789939880371},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.4910862445831299},{"id":"https://openalex.org/C171078966","wikidata":"https://www.wikidata.org/wiki/Q111029","display_name":"Root (linguistics)","level":2,"score":0.43888264894485474},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.35646021366119385},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.140469491481781},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s00373-011-1097-z","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00373-011-1097-z","pdf_url":null,"source":{"id":"https://openalex.org/S186126824","display_name":"Graphs and Combinatorics","issn_l":"0911-0119","issn":["0911-0119","1435-5914"],"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/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Graphs and Combinatorics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/15","display_name":"Life in Land","score":0.6700000166893005}],"awards":[],"funders":[{"id":"https://openalex.org/F4320311791","display_name":"Hebei University of Science and Technology","ror":"https://ror.org/05h3pkk68"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1551177513","https://openalex.org/W1563017418","https://openalex.org/W1997713922","https://openalex.org/W1999132040","https://openalex.org/W2030390773","https://openalex.org/W2065336401","https://openalex.org/W2067442553","https://openalex.org/W2086657489","https://openalex.org/W2091197720","https://openalex.org/W2126209209","https://openalex.org/W2152141013","https://openalex.org/W2914659449","https://openalex.org/W2999787574","https://openalex.org/W2999949528"],"related_works":["https://openalex.org/W2952259524","https://openalex.org/W2279732055","https://openalex.org/W2995857455","https://openalex.org/W4288805235","https://openalex.org/W2027277382","https://openalex.org/W4287020903","https://openalex.org/W1508013399","https://openalex.org/W2998840281","https://openalex.org/W2160566290","https://openalex.org/W2063982045"],"abstract_inverted_index":null,"counts_by_year":[{"year":2015,"cited_by_count":2}],"updated_date":"2026-07-23T08:03:31.855105","created_date":"2025-10-10T00:00:00"}