{"id":"https://openalex.org/W1485413929","doi":"https://doi.org/10.1016/s0893-9659(04)90091-2","title":"A Sturm-Liouville approach applicable to different notions of conjugacy","display_name":"A Sturm-Liouville approach applicable to different notions of conjugacy","publication_year":2004,"publication_date":"2004-04-01","ids":{"openalex":"https://openalex.org/W1485413929","doi":"https://doi.org/10.1016/s0893-9659(04)90091-2","mag":"1485413929"},"language":"en","primary_location":{"id":"doi:10.1016/s0893-9659(04)90091-2","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0893-9659(04)90091-2","pdf_url":null,"source":{"id":"https://openalex.org/S7571225","display_name":"Applied Mathematics Letters","issn_l":"0893-9659","issn":["0893-9659","1873-5452"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Applied Mathematics Letters","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/A5030945273","display_name":"Ricardo Berlanga","orcid":"https://orcid.org/0000-0002-3682-0428"},"institutions":[{"id":"https://openalex.org/I8961855","display_name":"Universidad Nacional Aut\u00f3noma de M\u00e9xico","ror":"https://ror.org/01tmp8f25","country_code":"MX","type":"education","lineage":["https://openalex.org/I8961855"]}],"countries":["MX"],"is_corresponding":true,"raw_author_name":"R Berlanga","raw_affiliation_strings":["IIMAS-UNAM Apartado Postal 20-726, M\u00e9xico DF 01000, M\u00e9xico","Universidad Nacional Aut\u00f3noma de M\u00e9xico, Instituto de Investigaciones en Matem\u00e1ticas Aplicadas y en Sistemas, M\u00e9xico, Distrito Federal, M\u00e9xico"],"affiliations":[{"raw_affiliation_string":"IIMAS-UNAM Apartado Postal 20-726, M\u00e9xico DF 01000, M\u00e9xico","institution_ids":["https://openalex.org/I8961855"]},{"raw_affiliation_string":"Universidad Nacional Aut\u00f3noma de M\u00e9xico, Instituto de Investigaciones en Matem\u00e1ticas Aplicadas y en Sistemas, M\u00e9xico, Distrito Federal, M\u00e9xico","institution_ids":["https://openalex.org/I8961855"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5076924146","display_name":"Javier F. Rosenblueth","orcid":"https://orcid.org/0000-0002-8685-4538"},"institutions":[{"id":"https://openalex.org/I8961855","display_name":"Universidad Nacional Aut\u00f3noma de M\u00e9xico","ror":"https://ror.org/01tmp8f25","country_code":"MX","type":"education","lineage":["https://openalex.org/I8961855"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"J.F Rosenblueth","raw_affiliation_strings":["IIMAS-UNAM Apartado Postal 20-726, M\u00e9xico DF 01000, M\u00e9xico","IIMAS\u2013UNAM, Apartado Postal 20-726, M\u00e9xico DF 01000, Mexico"],"affiliations":[{"raw_affiliation_string":"IIMAS-UNAM Apartado Postal 20-726, M\u00e9xico DF 01000, M\u00e9xico","institution_ids":["https://openalex.org/I8961855"]},{"raw_affiliation_string":"IIMAS\u2013UNAM, Apartado Postal 20-726, M\u00e9xico DF 01000, Mexico","institution_ids":["https://openalex.org/I8961855"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5030945273"],"corresponding_institution_ids":["https://openalex.org/I8961855"],"apc_list":{"value":3540,"currency":"USD","value_usd":3540},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.05030809,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"17","issue":"4","first_page":"467","last_page":"472"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11261","display_name":"Quantum chaos and dynamical systems","score":0.9854000210762024,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11261","display_name":"Quantum chaos and dynamical systems","score":0.9854000210762024,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11110","display_name":"Stability and Controllability of Differential Equations","score":0.9789999723434448,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12396","display_name":"Advanced Differential Equations and Dynamical Systems","score":0.9545000195503235,"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/mathematics","display_name":"Mathematics","score":0.7105688452720642},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.647746205329895},{"id":"https://openalex.org/keywords/conjugacy-class","display_name":"Conjugacy class","score":0.586511492729187},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5378619432449341},{"id":"https://openalex.org/keywords/sturm\u2013liouville-theory","display_name":"Sturm\u2013Liouville theory","score":0.49018365144729614},{"id":"https://openalex.org/keywords/conjugate-points","display_name":"Conjugate points","score":0.4413031041622162},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.412861168384552},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.41034895181655884},{"id":"https://openalex.org/keywords/calculus","display_name":"Calculus (dental)","score":0.4052276015281677},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.3785371780395508},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.17467013001441956},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.15763601660728455},{"id":"https://openalex.org/keywords/boundary-value-problem","display_name":"Boundary value problem","score":0.06608033180236816}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.7105688452720642},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.647746205329895},{"id":"https://openalex.org/C87945829","wikidata":"https://www.wikidata.org/wiki/Q1353233","display_name":"Conjugacy class","level":2,"score":0.586511492729187},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5378619432449341},{"id":"https://openalex.org/C22892174","wikidata":"https://www.wikidata.org/wiki/Q1154082","display_name":"Sturm\u2013Liouville theory","level":3,"score":0.49018365144729614},{"id":"https://openalex.org/C2776716506","wikidata":"https://www.wikidata.org/wiki/Q5161158","display_name":"Conjugate points","level":2,"score":0.4413031041622162},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.412861168384552},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.41034895181655884},{"id":"https://openalex.org/C2777686260","wikidata":"https://www.wikidata.org/wiki/Q144037","display_name":"Calculus (dental)","level":2,"score":0.4052276015281677},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.3785371780395508},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.17467013001441956},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.15763601660728455},{"id":"https://openalex.org/C182310444","wikidata":"https://www.wikidata.org/wiki/Q1332643","display_name":"Boundary value problem","level":2,"score":0.06608033180236816},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"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/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C199343813","wikidata":"https://www.wikidata.org/wiki/Q12128","display_name":"Dentistry","level":1,"score":0.0},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","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/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1016/s0893-9659(04)90091-2","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0893-9659(04)90091-2","pdf_url":null,"source":{"id":"https://openalex.org/S7571225","display_name":"Applied Mathematics Letters","issn_l":"0893-9659","issn":["0893-9659","1873-5452"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Applied Mathematics Letters","raw_type":"journal-article"},{"id":"mag:1485413929","is_oa":false,"landing_page_url":"https://biblat.unam.mx/es/revista/preimpreso-iimas/articulo/a-sturm-liouville-approach-applicable-to-different-notions-of-conjugacy","pdf_url":null,"source":{"id":"https://openalex.org/S4306523103","display_name":"Preimpreso - IIMAS","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":"Preimpreso - IIMAS","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.41999998688697815,"id":"https://metadata.un.org/sdg/10","display_name":"Reduced inequalities"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W2011234453","https://openalex.org/W2046449428","https://openalex.org/W2063795967","https://openalex.org/W3021126031","https://openalex.org/W6632896030"],"related_works":["https://openalex.org/W2037975095","https://openalex.org/W2167011879","https://openalex.org/W51009994","https://openalex.org/W2062661474","https://openalex.org/W2052072726","https://openalex.org/W1997872268","https://openalex.org/W3109755231","https://openalex.org/W2759157338","https://openalex.org/W2333424320","https://openalex.org/W2046394422","https://openalex.org/W3140141003","https://openalex.org/W181778631","https://openalex.org/W2791468086","https://openalex.org/W2142706662","https://openalex.org/W599917883","https://openalex.org/W73305646","https://openalex.org/W2319278757","https://openalex.org/W279267067","https://openalex.org/W5302658","https://openalex.org/W2396196701"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-03-10T14:07:55.174380","created_date":"2025-10-10T00:00:00"}
