{"id":"https://openalex.org/W7166713509","doi":"https://doi.org/10.1109/access.2026.3708425","title":"Compute-In-Memory Analog Solver Circuit for Linear Symmetric Positive-Definite Systems Approaching O(1) Complexity","display_name":"Compute-In-Memory Analog Solver Circuit for Linear Symmetric Positive-Definite Systems Approaching O(1) Complexity","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7166713509","doi":"https://doi.org/10.1109/access.2026.3708425"},"language":"en","primary_location":{"id":"doi:10.1109/access.2026.3708425","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2026.3708425","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/access.2026.3708425","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5008225017","display_name":"Osama Abdelaleim","orcid":null},"institutions":[{"id":"https://openalex.org/I219193219","display_name":"Purdue University West Lafayette","ror":"https://ror.org/02dqehb95","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Osama Abdelaleim","raw_affiliation_strings":["Lyles School of Civil and Construction Engineering, Purdue University, West Lafayette, IN, USA"],"raw_orcid":"https://orcid.org/0009-0002-1379-6848","affiliations":[{"raw_affiliation_string":"Lyles School of Civil and Construction Engineering, Purdue University, West Lafayette, IN, USA","institution_ids":["https://openalex.org/I219193219"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137249320","display_name":"Arun Prakash","orcid":null},"institutions":[{"id":"https://openalex.org/I219193219","display_name":"Purdue University West Lafayette","ror":"https://ror.org/02dqehb95","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Arun Prakash","raw_affiliation_strings":["Lyles School of Civil and Construction Engineering, Purdue University, West Lafayette, IN, USA"],"raw_orcid":"https://orcid.org/0000-0001-7579-0973","affiliations":[{"raw_affiliation_string":"Lyles School of Civil and Construction Engineering, Purdue University, West Lafayette, IN, USA","institution_ids":["https://openalex.org/I219193219"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009548636","display_name":"Ayhan Irfanoglu","orcid":"https://orcid.org/0000-0001-8334-6717"},"institutions":[{"id":"https://openalex.org/I219193219","display_name":"Purdue University West Lafayette","ror":"https://ror.org/02dqehb95","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ayhan Irfanoglu","raw_affiliation_strings":["Lyles School of Civil and Construction Engineering, Purdue University, West Lafayette, IN, USA"],"raw_orcid":"https://orcid.org/0000-0001-8334-6717","affiliations":[{"raw_affiliation_string":"Lyles School of Civil and Construction Engineering, Purdue University, West Lafayette, IN, USA","institution_ids":["https://openalex.org/I219193219"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5139636563","display_name":"Veljko Milutinovic","orcid":null},"institutions":[{"id":"https://openalex.org/I4068193","display_name":"University of Belgrade","ror":"https://ror.org/02qsmb048","country_code":"RS","type":"education","lineage":["https://openalex.org/I4068193"]}],"countries":["RS"],"is_corresponding":false,"raw_author_name":"Veljko Milutinovic","raw_affiliation_strings":["School of Electrical Engineering, University of Belgrade, Belgrade, Serbia"],"raw_orcid":"https://orcid.org/0000-0002-9380-5232","affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, University of Belgrade, Belgrade, Serbia","institution_ids":["https://openalex.org/I4068193"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.85430031,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"14","issue":null,"first_page":"98906","last_page":"98921"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10682","display_name":"Quantum Computing Algorithms and Architecture","score":0.7526999711990356,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10682","display_name":"Quantum Computing Algorithms and Architecture","score":0.7526999711990356,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10502","display_name":"Advanced Memory and Neural Computing","score":0.035100001841783524,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T13182","display_name":"Quantum-Dot Cellular Automata","score":0.035100001841783524,"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/solver","display_name":"Solver","score":0.5540000200271606},{"id":"https://openalex.org/keywords/linear-circuit","display_name":"Linear circuit","score":0.4242999851703644},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.4075999855995178},{"id":"https://openalex.org/keywords/linear-system","display_name":"Linear system","score":0.3903000056743622},{"id":"https://openalex.org/keywords/circuit-complexity","display_name":"Circuit complexity","score":0.3379000127315521}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5950999855995178},{"id":"https://openalex.org/C2778770139","wikidata":"https://www.wikidata.org/wiki/Q1966904","display_name":"Solver","level":2,"score":0.5540000200271606},{"id":"https://openalex.org/C194571574","wikidata":"https://www.wikidata.org/wiki/Q2251187","display_name":"Linear circuit","level":4,"score":0.4242999851703644},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.4075999855995178},{"id":"https://openalex.org/C6802819","wikidata":"https://www.wikidata.org/wiki/Q1072174","display_name":"Linear system","level":2,"score":0.3903000056743622},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.37310001254081726},{"id":"https://openalex.org/C90702460","wikidata":"https://www.wikidata.org/wiki/Q1055112","display_name":"Circuit complexity","level":3,"score":0.3379000127315521},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2786000072956085},{"id":"https://openalex.org/C32946077","wikidata":"https://www.wikidata.org/wiki/Q618079","display_name":"Network analysis","level":2,"score":0.2563000023365021},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.25360000133514404}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2026.3708425","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2026.3708425","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:a5787890cbcd4618bf807a372e1dfba1","is_oa":false,"landing_page_url":"https://doaj.org/article/a5787890cbcd4618bf807a372e1dfba1","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","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":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 14, Pp 98906-98921 (2026)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2026.3708425","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2026.3708425","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Accelerating":[0],"the":[1,37,70,73,77,85,88,94,110,115,126,136,142,147,150,153,166,171],"solution":[2,38,143],"of":[3,6,11,39,46,76,87,135,149,165,170],"linear":[4,44,137],"systems":[5,45],"equations":[7],"is":[8],"critical":[9],"because":[10],"their":[12],"central":[13],"role":[14],"in":[15],"numerous":[16],"applications,":[17],"such":[18],"as":[19,114],"numerical":[20,81],"simulations,":[21],"data":[22],"analytics,":[23],"and":[24,80,156,168],"machine":[25],"learning.":[26],"This":[27,67],"paper":[28,68],"presents":[29],"an":[30,131],"analog":[31],"solver":[32],"circuit":[33,116],"designed":[34],"to":[35,56],"accelerate":[36],"symmetric":[40,65,98],"positive":[41],"definite":[42],"(SPD)":[43],"equations.":[47],"The":[48,90],"proposed":[49,95,127],"design":[50],"leverages":[51],"non-inverting":[52],"operational":[53],"amplifier":[54],"configurations":[55],"create":[57],"a":[58],"negative":[59],"resistance":[60],"circuit,":[61],"effectively":[62,129],"modeling":[63],"any":[64],"system.":[66,138],"details":[69],"principles":[71],"behind":[72],"design,":[74],"optimizations":[75],"system":[78,96,128],"architecture,":[79],"results":[82],"that":[83,93],"demonstrate":[84],"robustness":[86],"design.":[89],"findings":[91],"reveal":[92],"solves":[97,130],"diagonally":[99],"dominant":[100,123],"(SDD)":[101],"matrices":[102],"with":[103],"<inline-formula>":[104],"<tex-math":[105],"notation=\"LaTeX\">$O(1)$":[106],"</tex-math></inline-formula>":[107],"complexity,":[108],"achieving":[109],"theoretical":[111],"maximum":[112,157],"speed":[113,144],"relies":[117],"solely":[118],"on":[119,146],"resistors.":[120],"For":[121],"non-diagonally":[122],"SPD":[124],"systems,":[125],"implicitly":[132],"preconditioned":[133],"version":[134],"In":[139],"this":[140],"case,":[141],"depends":[145],"properties":[148],"matrix,":[151],"specifically":[152],"smallest":[154],"eigenvalue":[155],"deviation":[158],"from":[159],"diagonal":[160],"dominance,":[161],"but":[162],"remains":[163],"independent":[164],"size":[167],"scaling":[169],"matrix.":[172]},"counts_by_year":[],"updated_date":"2026-07-08T06:17:01.165560","created_date":"2026-07-01T00:00:00"}
