{"id":"https://openalex.org/W3008505309","doi":"https://doi.org/10.1007/s40314-020-1115-y","title":"When a maximal angle among cones is nonobtuse","display_name":"When a maximal angle among cones is nonobtuse","publication_year":2020,"publication_date":"2020-02-19","ids":{"openalex":"https://openalex.org/W3008505309","doi":"https://doi.org/10.1007/s40314-020-1115-y","mag":"3008505309"},"language":"en","primary_location":{"id":"doi:10.1007/s40314-020-1115-y","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s40314-020-1115-y","pdf_url":null,"source":{"id":"https://openalex.org/S4210195884","display_name":"Computational and Applied Mathematics","issn_l":"1807-0302","issn":["1807-0302","2238-3603"],"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":"Computational and Applied Mathematics","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/A5011346455","display_name":"Michael Orlitzky","orcid":"https://orcid.org/0000-0002-1447-961X"},"institutions":[{"id":"https://openalex.org/I79272384","display_name":"University of Maryland, Baltimore County","ror":"https://ror.org/02qskvh78","country_code":"US","type":"education","lineage":["https://openalex.org/I79272384"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Michael Orlitzky","raw_affiliation_strings":["Department of Mathematics and Statistics, University of Maryland Baltimore County, Baltimore, USA"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics and Statistics, University of Maryland Baltimore County, Baltimore, USA","institution_ids":["https://openalex.org/I79272384"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5011346455"],"corresponding_institution_ids":["https://openalex.org/I79272384"],"apc_list":null,"apc_paid":null,"fwci":0.2958,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.47346369,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":95},"biblio":{"volume":"39","issue":"2","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10963","display_name":"Advanced Optimization Algorithms Research","score":0.9987000226974487,"subfield":{"id":"https://openalex.org/subfields/2612","display_name":"Numerical Analysis"},"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/T10963","display_name":"Advanced Optimization Algorithms Research","score":0.9987000226974487,"subfield":{"id":"https://openalex.org/subfields/2612","display_name":"Numerical Analysis"},"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/T11236","display_name":"Control Systems and Identification","score":0.9908999800682068,"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/T10792","display_name":"Matrix Theory and Algorithms","score":0.9728999733924866,"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/linear-subspace","display_name":"Linear subspace","score":0.9032889604568481},{"id":"https://openalex.org/keywords/cone","display_name":"Cone (formal languages)","score":0.7049095630645752},{"id":"https://openalex.org/keywords/convex-cone","display_name":"Convex cone","score":0.6565795540809631},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.6467605233192444},{"id":"https://openalex.org/keywords/obstacle","display_name":"Obstacle","score":0.644751250743866},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6366368532180786},{"id":"https://openalex.org/keywords/extension","display_name":"Extension (predicate logic)","score":0.5024478435516357},{"id":"https://openalex.org/keywords/ligand-cone-angle","display_name":"Ligand cone angle","score":0.48533716797828674},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.48315781354904175},{"id":"https://openalex.org/keywords/convex-set","display_name":"Convex set","score":0.457328200340271},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.35200467705726624},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.3501116633415222},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.3496556878089905},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.3396943509578705},{"id":"https://openalex.org/keywords/convex-optimization","display_name":"Convex optimization","score":0.33174359798431396},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.2026723027229309},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.19128918647766113},{"id":"https://openalex.org/keywords/conical-surface","display_name":"Conical surface","score":0.06866130232810974}],"concepts":[{"id":"https://openalex.org/C12362212","wikidata":"https://www.wikidata.org/wiki/Q728435","display_name":"Linear subspace","level":2,"score":0.9032889604568481},{"id":"https://openalex.org/C30014739","wikidata":"https://www.wikidata.org/wiki/Q5159445","display_name":"Cone (formal languages)","level":2,"score":0.7049095630645752},{"id":"https://openalex.org/C28340159","wikidata":"https://www.wikidata.org/wiki/Q2256541","display_name":"Convex cone","level":5,"score":0.6565795540809631},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.6467605233192444},{"id":"https://openalex.org/C2776650193","wikidata":"https://www.wikidata.org/wiki/Q264661","display_name":"Obstacle","level":2,"score":0.644751250743866},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6366368532180786},{"id":"https://openalex.org/C2778029271","wikidata":"https://www.wikidata.org/wiki/Q5421931","display_name":"Extension (predicate logic)","level":2,"score":0.5024478435516357},{"id":"https://openalex.org/C58046503","wikidata":"https://www.wikidata.org/wiki/Q2054322","display_name":"Ligand cone angle","level":3,"score":0.48533716797828674},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.48315781354904175},{"id":"https://openalex.org/C49870271","wikidata":"https://www.wikidata.org/wiki/Q193657","display_name":"Convex set","level":4,"score":0.457328200340271},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.35200467705726624},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.3501116633415222},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.3496556878089905},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.3396943509578705},{"id":"https://openalex.org/C157972887","wikidata":"https://www.wikidata.org/wiki/Q463359","display_name":"Convex optimization","level":3,"score":0.33174359798431396},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2026723027229309},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.19128918647766113},{"id":"https://openalex.org/C124961601","wikidata":"https://www.wikidata.org/wiki/Q2518149","display_name":"Conical surface","level":2,"score":0.06866130232810974},{"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/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s40314-020-1115-y","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s40314-020-1115-y","pdf_url":null,"source":{"id":"https://openalex.org/S4210195884","display_name":"Computational and Applied Mathematics","issn_l":"1807-0302","issn":["1807-0302","2238-3603"],"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":"Computational and Applied Mathematics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W1965434604","https://openalex.org/W1974656293","https://openalex.org/W1988560443","https://openalex.org/W2026856626","https://openalex.org/W2027544949","https://openalex.org/W2028201828","https://openalex.org/W2034677465","https://openalex.org/W2038334003","https://openalex.org/W2049856323","https://openalex.org/W2058594431","https://openalex.org/W2061465245","https://openalex.org/W2064755091","https://openalex.org/W2081027419","https://openalex.org/W2081562267","https://openalex.org/W2087296328","https://openalex.org/W2087339823","https://openalex.org/W2087399108","https://openalex.org/W2134550080","https://openalex.org/W2143769908","https://openalex.org/W2151898670","https://openalex.org/W2161347185","https://openalex.org/W2798909945","https://openalex.org/W2963357669","https://openalex.org/W2963582713","https://openalex.org/W4249667877","https://openalex.org/W4312258136"],"related_works":["https://openalex.org/W1965358437","https://openalex.org/W2068531293","https://openalex.org/W1974329054","https://openalex.org/W2023004229","https://openalex.org/W2064755091","https://openalex.org/W2069365182","https://openalex.org/W2384759399","https://openalex.org/W2073718737","https://openalex.org/W2184361932","https://openalex.org/W2031393952"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}