{"id":"https://openalex.org/W7093307085","doi":"https://doi.org/10.1109/tac.2025.3624196","title":"Controllable Subspaces in Structured Networks of Hierarchical Directed Acyclic Graphs: Controllability of Individual Nodes","display_name":"Controllable Subspaces in Structured Networks of Hierarchical Directed Acyclic Graphs: Controllability of Individual Nodes","publication_year":2025,"publication_date":"2025-10-22","ids":{"openalex":"https://openalex.org/W7093307085","doi":"https://doi.org/10.1109/tac.2025.3624196"},"language":null,"primary_location":{"id":"doi:10.1109/tac.2025.3624196","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tac.2025.3624196","pdf_url":null,"source":{"id":"https://openalex.org/S184954342","display_name":"IEEE Transactions on Automatic Control","issn_l":"0018-9286","issn":["0018-9286","1558-2523","2334-3303"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Automatic Control","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":null,"display_name":"Nam-Jin Park","orcid":"https://orcid.org/0000-0002-1528-8524"},"institutions":[{"id":"https://openalex.org/I120158604","display_name":"Kunsan National University","ror":"https://ror.org/02yj55q56","country_code":"KR","type":"education","lineage":["https://openalex.org/I120158604"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Nam-Jin Park","raw_affiliation_strings":["Department of Electrical Engineering, Kunsan National University, Jeonbuk, South Korea"],"raw_orcid":"https://orcid.org/0000-0002-1528-8524","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Kunsan National University, Jeonbuk, South Korea","institution_ids":["https://openalex.org/I120158604"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Yeong-Ung Kim","orcid":"https://orcid.org/0009-0001-7649-4540"},"institutions":[{"id":"https://openalex.org/I39534123","display_name":"Gwangju Institute of Science and Technology","ror":"https://ror.org/024kbgz78","country_code":"KR","type":"education","lineage":["https://openalex.org/I39534123"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Yeong-Ung Kim","raw_affiliation_strings":["Department of Mechanical and Robotics Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju, South Korea"],"raw_orcid":"https://orcid.org/0009-0001-7649-4540","affiliations":[{"raw_affiliation_string":"Department of Mechanical and Robotics Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju, South Korea","institution_ids":["https://openalex.org/I39534123"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Koog-Hwan Oh","orcid":"https://orcid.org/0000-0003-1756-7997"},"institutions":[{"id":"https://openalex.org/I198972184","display_name":"Korea Electric Power Corporation (South Korea)","ror":"https://ror.org/04fperw70","country_code":"KR","type":"company","lineage":["https://openalex.org/I198972184"]},{"id":"https://openalex.org/I4210131650","display_name":"Korea Electronics Technology Institute","ror":"https://ror.org/039k6f508","country_code":"KR","type":"facility","lineage":["https://openalex.org/I2801339556","https://openalex.org/I4210089395","https://openalex.org/I4210131650"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Koog-Hwan Oh","raw_affiliation_strings":["Smart Electrics Research Center, Korea Electronics Technology Institute (KETI), Gwangju, South Korea"],"raw_orcid":"https://orcid.org/0000-0003-1756-7997","affiliations":[{"raw_affiliation_string":"Smart Electrics Research Center, Korea Electronics Technology Institute (KETI), Gwangju, South Korea","institution_ids":["https://openalex.org/I198972184","https://openalex.org/I4210131650"]}]},{"author_position":"last","author":{"id":null,"display_name":"Hyo-Sung Ahn","orcid":"https://orcid.org/0000-0002-7939-0093"},"institutions":[{"id":"https://openalex.org/I39534123","display_name":"Gwangju Institute of Science and Technology","ror":"https://ror.org/024kbgz78","country_code":"KR","type":"education","lineage":["https://openalex.org/I39534123"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hyo-Sung Ahn","raw_affiliation_strings":["Department of Mechanical and Robotics Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju, South Korea"],"raw_orcid":"https://orcid.org/0000-0002-7939-0093","affiliations":[{"raw_affiliation_string":"Department of Mechanical and Robotics Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju, South Korea","institution_ids":["https://openalex.org/I39534123"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.5494,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.83953698,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":"71","issue":"4","first_page":"2630","last_page":"2636"},"is_retracted":false,"is_paratext":false,"is_xpac":true,"primary_topic":{"id":"https://openalex.org/T10621","display_name":"Gene Regulatory Network Analysis","score":0.288100004196167,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10621","display_name":"Gene Regulatory Network Analysis","score":0.288100004196167,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10249","display_name":"Distributed Control Multi-Agent Systems","score":0.24210000038146973,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T11347","display_name":"Neural Networks Stability and Synchronization","score":0.12309999763965607,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/controllability","display_name":"Controllability","score":0.9413999915122986},{"id":"https://openalex.org/keywords/subspace-topology","display_name":"Subspace topology","score":0.76910001039505},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.733299970626831},{"id":"https://openalex.org/keywords/linear-subspace","display_name":"Linear subspace","score":0.6818000078201294},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.5898000001907349},{"id":"https://openalex.org/keywords/identification","display_name":"Identification (biology)","score":0.4894999861717224},{"id":"https://openalex.org/keywords/dimension","display_name":"Dimension (graph theory)","score":0.4453999996185303}],"concepts":[{"id":"https://openalex.org/C48209547","wikidata":"https://www.wikidata.org/wiki/Q1331104","display_name":"Controllability","level":2,"score":0.9413999915122986},{"id":"https://openalex.org/C32834561","wikidata":"https://www.wikidata.org/wiki/Q660730","display_name":"Subspace topology","level":2,"score":0.76910001039505},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.733299970626831},{"id":"https://openalex.org/C12362212","wikidata":"https://www.wikidata.org/wiki/Q728435","display_name":"Linear subspace","level":2,"score":0.6818000078201294},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.5898000001907349},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5327000021934509},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.4894999861717224},{"id":"https://openalex.org/C33676613","wikidata":"https://www.wikidata.org/wiki/Q13415176","display_name":"Dimension (graph theory)","level":2,"score":0.4453999996185303},{"id":"https://openalex.org/C74197172","wikidata":"https://www.wikidata.org/wiki/Q1195339","display_name":"Directed acyclic graph","level":2,"score":0.4180999994277954},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.41100001335144043},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3995000123977661},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.3702999949455261},{"id":"https://openalex.org/C41982775","wikidata":"https://www.wikidata.org/wiki/Q7000977","display_name":"Network controllability","level":4,"score":0.3544999957084656},{"id":"https://openalex.org/C199845137","wikidata":"https://www.wikidata.org/wiki/Q145490","display_name":"Network topology","level":2,"score":0.34700000286102295},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.3395000100135803},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3125},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.31130000948905945},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.2937999963760376},{"id":"https://openalex.org/C119247159","wikidata":"https://www.wikidata.org/wiki/Q1366192","display_name":"System identification","level":3,"score":0.2842000126838684},{"id":"https://openalex.org/C183322885","wikidata":"https://www.wikidata.org/wiki/Q17007702","display_name":"Context model","level":3,"score":0.26989999413490295}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tac.2025.3624196","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tac.2025.3624196","pdf_url":null,"source":{"id":"https://openalex.org/S184954342","display_name":"IEEE Transactions on Automatic Control","issn_l":"0018-9286","issn":["0018-9286","1558-2523","2334-3303"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Automatic Control","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G7676091999","display_name":null,"funder_award_id":"2022R1A2B5B03001459","funder_id":"https://openalex.org/F4320322120","funder_display_name":"National Research Foundation of Korea"}],"funders":[{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W1971604476","https://openalex.org/W1989266286","https://openalex.org/W2007842057","https://openalex.org/W2023351932","https://openalex.org/W2046830398","https://openalex.org/W2064006648","https://openalex.org/W2067256742","https://openalex.org/W2106308430","https://openalex.org/W2129728859","https://openalex.org/W2157529519","https://openalex.org/W2288444165","https://openalex.org/W2296217093","https://openalex.org/W2315383458","https://openalex.org/W2490580228","https://openalex.org/W2586650641","https://openalex.org/W3004993223","https://openalex.org/W3026588601","https://openalex.org/W3085204120","https://openalex.org/W3118766792","https://openalex.org/W4388505344","https://openalex.org/W4399884320","https://openalex.org/W4400946692","https://openalex.org/W7093307085"],"related_works":[],"abstract_inverted_index":{"This":[0,69,102],"paper":[1,70],"introduces":[2],"the":[3,6,14,57,78,81,105,115],"concept":[4],"of":[5,16,23,80,95,107,114,117],"Fixed":[7,32],"Strongly":[8,33,82],"Structurally":[9,34,83],"Controllable":[10,35,84],"Subspace":[11,85],"(FSSCS)":[12],"within":[13,50],"context":[15],"structured":[17,52,124],"networks,":[18],"enabling":[19],"a":[20,27,51,73,93],"comprehensive":[21],"characterization":[22],"controllable":[24,45],"subspaces.":[25],"From":[26],"graph-theoretical":[28,96],"perspective,":[29],"we":[30,55],"define":[31],"(FSSC)":[36],"nodes,":[37],"which":[38],"are":[39],"nodes":[40,65,109],"(or":[41],"states)":[42],"that":[43],"remain":[44],"for":[46,62],"all":[47],"network":[48],"parameters":[49],"network.":[53],"Furthermore,":[54],"establish":[56],"necessary":[58],"and":[59,98,110],"sufficient":[60],"conditions":[61],"identifying":[63],"FSSC":[64,108],"in":[66,87,123],"general":[67],"graphs.":[68],"also":[71],"proposes":[72],"method":[74,103],"to":[75],"exactly":[76],"determine":[77],"dimension":[79],"(SSCS)":[86],"hierarchical":[88],"directed":[89],"acyclic":[90],"graphs,":[91],"using":[92],"combination":[94],"approaches":[97],"controllability":[99,119],"matrix":[100],"analyses.":[101],"facilitates":[104],"identification":[106],"enhances":[111],"our":[112],"understanding":[113],"robustness":[116],"node":[118],"against":[120],"parameter":[121],"variations":[122],"networks.":[125]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3}],"updated_date":"2026-08-12T21:12:35.861297","created_date":"2025-10-24T00:00:00"}
