{"id":"https://openalex.org/W1551427379","doi":"https://doi.org/10.1007/3-540-61550-4_169","title":"Equations on trees","display_name":"Equations on trees","publication_year":1996,"publication_date":"1996-01-01","ids":{"openalex":"https://openalex.org/W1551427379","doi":"https://doi.org/10.1007/3-540-61550-4_169","mag":"1551427379"},"language":"en","primary_location":{"id":"doi:10.1007/3-540-61550-4_169","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-61550-4_169","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"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":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},"type":"book-chapter","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/A5076830561","display_name":"Sabrina Mantaci","orcid":"https://orcid.org/0000-0002-9200-0520"},"institutions":[{"id":"https://openalex.org/I900890020","display_name":"University of Palermo","ror":"https://ror.org/044k9ta02","country_code":"IT","type":"education","lineage":["https://openalex.org/I900890020"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Sabrina Mantaci","raw_affiliation_strings":["Dipartimento di Matematica ed Applicazioni, Universit\u00e0 di Palermo, via Archirafi, 34 - 90123, Palermo, Italy","universit\u00e0 di Palermo"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dipartimento di Matematica ed Applicazioni, Universit\u00e0 di Palermo, via Archirafi, 34 - 90123, Palermo, Italy","institution_ids":["https://openalex.org/I900890020"]},{"raw_affiliation_string":"universit\u00e0 di Palermo","institution_ids":["https://openalex.org/I900890020"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5024448520","display_name":"Antonio Restivo","orcid":"https://orcid.org/0000-0002-1972-6931"},"institutions":[{"id":"https://openalex.org/I900890020","display_name":"University of Palermo","ror":"https://ror.org/044k9ta02","country_code":"IT","type":"education","lineage":["https://openalex.org/I900890020"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Antonio Restivo","raw_affiliation_strings":["Dipartimento di Matematica ed Applicazioni, Universit\u00e0 di Palermo, via Archirafi, 34 - 90123, Palermo, Italy","universit\u00e0 di Palermo"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dipartimento di Matematica ed Applicazioni, Universit\u00e0 di Palermo, via Archirafi, 34 - 90123, Palermo, Italy","institution_ids":["https://openalex.org/I900890020"]},{"raw_affiliation_string":"universit\u00e0 di Palermo","institution_ids":["https://openalex.org/I900890020"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":0.9492,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.74899148,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"443","last_page":"456"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11567","display_name":"semigroups and automata theory","score":0.8909000158309937,"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"}},"topics":[{"id":"https://openalex.org/T11567","display_name":"semigroups and automata theory","score":0.8909000158309937,"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/T10374","display_name":"Advanced Graph Theory Research","score":0.8865000009536743,"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/T11727","display_name":"Advanced Algebra and Logic","score":0.8770999908447266,"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/tree","display_name":"Tree (set theory)","score":0.7623138427734375},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6087912321090698},{"id":"https://openalex.org/keywords/k-ary-tree","display_name":"K-ary tree","score":0.4576006233692169},{"id":"https://openalex.org/keywords/expressive-power","display_name":"Expressive power","score":0.4337102174758911},{"id":"https://openalex.org/keywords/tree-structure","display_name":"Tree structure","score":0.36757177114486694},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3535877466201782},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3339996635913849},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.32612931728363037},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3047104477882385},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.2810744047164917},{"id":"https://openalex.org/keywords/binary-tree","display_name":"Binary tree","score":0.24918168783187866}],"concepts":[{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.7623138427734375},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6087912321090698},{"id":"https://openalex.org/C100560664","wikidata":"https://www.wikidata.org/wiki/Q3608019","display_name":"K-ary tree","level":4,"score":0.4576006233692169},{"id":"https://openalex.org/C195818886","wikidata":"https://www.wikidata.org/wiki/Q5421724","display_name":"Expressive power","level":2,"score":0.4337102174758911},{"id":"https://openalex.org/C163797641","wikidata":"https://www.wikidata.org/wiki/Q2067937","display_name":"Tree structure","level":3,"score":0.36757177114486694},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3535877466201782},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3339996635913849},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.32612931728363037},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3047104477882385},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.2810744047164917},{"id":"https://openalex.org/C197855036","wikidata":"https://www.wikidata.org/wiki/Q380172","display_name":"Binary tree","level":2,"score":0.24918168783187866}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/3-540-61550-4_169","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-61550-4_169","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"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":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W31803587","https://openalex.org/W150472100","https://openalex.org/W1514324498","https://openalex.org/W1523480252","https://openalex.org/W1550164500","https://openalex.org/W1993370765","https://openalex.org/W2023022663","https://openalex.org/W2037767787","https://openalex.org/W2109342177","https://openalex.org/W2123995178","https://openalex.org/W2167954650","https://openalex.org/W4210249530","https://openalex.org/W6601255472","https://openalex.org/W6606054380","https://openalex.org/W6630746003","https://openalex.org/W6661000675"],"related_works":["https://openalex.org/W1540916342","https://openalex.org/W2227684440","https://openalex.org/W2150988524","https://openalex.org/W2092152400","https://openalex.org/W2156833871","https://openalex.org/W1521720839","https://openalex.org/W2093863113","https://openalex.org/W3205563779","https://openalex.org/W3138084528","https://openalex.org/W2083751087"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2016-06-24T00:00:00"}