{"id":"https://openalex.org/W4415368842","doi":"https://doi.org/10.1109/isit63088.2025.11195623","title":"Additivity of Quantum Capacities in Simple Non-Degradable Quantum Channels","display_name":"Additivity of Quantum Capacities in Simple Non-Degradable Quantum Channels","publication_year":2025,"publication_date":"2025-06-22","ids":{"openalex":"https://openalex.org/W4415368842","doi":"https://doi.org/10.1109/isit63088.2025.11195623"},"language":null,"primary_location":{"id":"doi:10.1109/isit63088.2025.11195623","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit63088.2025.11195623","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE International Symposium on Information Theory (ISIT)","raw_type":"proceedings-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/A5035371538","display_name":"Graeme N. Smith","orcid":"https://orcid.org/0000-0002-3128-4523"},"institutions":[{"id":"https://openalex.org/I151746483","display_name":"University of Waterloo","ror":"https://ror.org/01aff2v68","country_code":"CA","type":"education","lineage":["https://openalex.org/I151746483"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"Graeme Smith","raw_affiliation_strings":["Institute for Quantum Computing, University of Waterloo,Waterloo,Canada,ON N2L 3G1"],"affiliations":[{"raw_affiliation_string":"Institute for Quantum Computing, University of Waterloo,Waterloo,Canada,ON N2L 3G1","institution_ids":["https://openalex.org/I151746483"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5027785401","display_name":"Peixue Wu","orcid":null},"institutions":[{"id":"https://openalex.org/I151746483","display_name":"University of Waterloo","ror":"https://ror.org/01aff2v68","country_code":"CA","type":"education","lineage":["https://openalex.org/I151746483"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Peixue Wu","raw_affiliation_strings":["Institute for Quantum Computing, University of Waterloo,Waterloo,Canada,ON N2L 3G1"],"affiliations":[{"raw_affiliation_string":"Institute for Quantum Computing, University of Waterloo,Waterloo,Canada,ON N2L 3G1","institution_ids":["https://openalex.org/I151746483"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5035371538"],"corresponding_institution_ids":["https://openalex.org/I151746483"],"apc_list":null,"apc_paid":null,"fwci":8.4993,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.97472247,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10682","display_name":"Quantum Computing Algorithms and Architecture","score":0.9764000177383423,"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":0.9764000177383423,"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/T10020","display_name":"Quantum Information and Cryptography","score":0.909600019454956,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/superadditivity","display_name":"Superadditivity","score":0.8899000287055969},{"id":"https://openalex.org/keywords/additive-function","display_name":"Additive function","score":0.8115000128746033},{"id":"https://openalex.org/keywords/classical-capacity","display_name":"Classical capacity","score":0.6342999935150146},{"id":"https://openalex.org/keywords/quantum","display_name":"Quantum","score":0.6281999945640564},{"id":"https://openalex.org/keywords/quantum-channel","display_name":"Quantum channel","score":0.6115000247955322},{"id":"https://openalex.org/keywords/coherent-information","display_name":"Coherent information","score":0.6062999963760376},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6026999950408936},{"id":"https://openalex.org/keywords/amplitude-damping-channel","display_name":"Amplitude damping channel","score":0.5220000147819519},{"id":"https://openalex.org/keywords/quantum-capacity","display_name":"Quantum capacity","score":0.5020999908447266}],"concepts":[{"id":"https://openalex.org/C20017120","wikidata":"https://www.wikidata.org/wiki/Q922087","display_name":"Superadditivity","level":2,"score":0.8899000287055969},{"id":"https://openalex.org/C38803922","wikidata":"https://www.wikidata.org/wiki/Q95745348","display_name":"Additive function","level":2,"score":0.8115000128746033},{"id":"https://openalex.org/C168090291","wikidata":"https://www.wikidata.org/wiki/Q5128319","display_name":"Classical capacity","level":5,"score":0.6342999935150146},{"id":"https://openalex.org/C84114770","wikidata":"https://www.wikidata.org/wiki/Q46344","display_name":"Quantum","level":2,"score":0.6281999945640564},{"id":"https://openalex.org/C187486625","wikidata":"https://www.wikidata.org/wiki/Q2122176","display_name":"Quantum channel","level":4,"score":0.6115000247955322},{"id":"https://openalex.org/C184049767","wikidata":"https://www.wikidata.org/wiki/Q5141355","display_name":"Coherent information","level":5,"score":0.6062999963760376},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6026999950408936},{"id":"https://openalex.org/C206040425","wikidata":"https://www.wikidata.org/wiki/Q4748511","display_name":"Amplitude damping channel","level":5,"score":0.5220000147819519},{"id":"https://openalex.org/C41241483","wikidata":"https://www.wikidata.org/wiki/Q7269015","display_name":"Quantum capacity","level":5,"score":0.5020999908447266},{"id":"https://openalex.org/C121864883","wikidata":"https://www.wikidata.org/wiki/Q677916","display_name":"Statistical physics","level":1,"score":0.4984999895095825},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.44839999079704285},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.40209999680519104},{"id":"https://openalex.org/C169699857","wikidata":"https://www.wikidata.org/wiki/Q2122243","display_name":"Quantum information","level":3,"score":0.3734000027179718},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.3668999969959259},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.35910001397132874},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3589000105857849},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.3458000123500824},{"id":"https://openalex.org/C139356082","wikidata":"https://www.wikidata.org/wiki/Q7269038","display_name":"Quantum discord","level":4,"score":0.3379000127315521},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.3321000039577484},{"id":"https://openalex.org/C5320026","wikidata":"https://www.wikidata.org/wiki/Q2122216","display_name":"Quantum information science","level":4,"score":0.3292999863624573},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.32510000467300415},{"id":"https://openalex.org/C152139883","wikidata":"https://www.wikidata.org/wiki/Q252973","display_name":"Mutual information","level":2,"score":0.31859999895095825},{"id":"https://openalex.org/C2780009758","wikidata":"https://www.wikidata.org/wiki/Q6804172","display_name":"Measure (data warehouse)","level":2,"score":0.31540000438690186},{"id":"https://openalex.org/C52622258","wikidata":"https://www.wikidata.org/wiki/Q131222","display_name":"Information theory","level":2,"score":0.30809998512268066},{"id":"https://openalex.org/C2779136372","wikidata":"https://www.wikidata.org/wiki/Q10283002","display_name":"Information flow","level":2,"score":0.30809998512268066},{"id":"https://openalex.org/C527412718","wikidata":"https://www.wikidata.org/wiki/Q855395","display_name":"Interpretation (philosophy)","level":2,"score":0.29330000281333923},{"id":"https://openalex.org/C121040770","wikidata":"https://www.wikidata.org/wiki/Q215675","display_name":"Quantum entanglement","level":3,"score":0.29120001196861267},{"id":"https://openalex.org/C39927690","wikidata":"https://www.wikidata.org/wiki/Q11197","display_name":"Logarithm","level":2,"score":0.2863999903202057},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.26420000195503235}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isit63088.2025.11195623","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit63088.2025.11195623","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE International Symposium on Information Theory (ISIT)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":45,"referenced_works":["https://openalex.org/W1409569118","https://openalex.org/W1608583500","https://openalex.org/W1648032367","https://openalex.org/W1749675964","https://openalex.org/W1970302872","https://openalex.org/W1977545330","https://openalex.org/W1977821353","https://openalex.org/W2001619599","https://openalex.org/W2014135610","https://openalex.org/W2015132296","https://openalex.org/W2034920898","https://openalex.org/W2063059948","https://openalex.org/W2063702496","https://openalex.org/W2073098500","https://openalex.org/W2076249063","https://openalex.org/W2079150681","https://openalex.org/W2080566847","https://openalex.org/W2082113083","https://openalex.org/W2141356832","https://openalex.org/W2141412822","https://openalex.org/W2144126354","https://openalex.org/W2154564336","https://openalex.org/W2210733279","https://openalex.org/W2267479781","https://openalex.org/W2268865454","https://openalex.org/W2594901681","https://openalex.org/W2767326831","https://openalex.org/W2789774254","https://openalex.org/W2809261480","https://openalex.org/W2910756062","https://openalex.org/W3006680020","https://openalex.org/W3046367674","https://openalex.org/W3103220749","https://openalex.org/W3119044724","https://openalex.org/W3126461019","https://openalex.org/W3201767029","https://openalex.org/W4210458405","https://openalex.org/W4287024319","https://openalex.org/W4288035440","https://openalex.org/W4317436245","https://openalex.org/W4321021502","https://openalex.org/W4377018959","https://openalex.org/W4401693028","https://openalex.org/W4415367228","https://openalex.org/W4415368842"],"related_works":[],"abstract_inverted_index":{"Quantum":[0],"channel":[1,127],"capacities":[2,91],"give":[3],"the":[4,16,40,62,70,135,156],"fundamental":[5],"performance":[6],"limits":[7],"for":[8,65],"information":[9,85,131],"flow":[10],"over":[11],"a":[12,21,121,126],"communication":[13],"channel.":[14],"However,":[15],"prevalence":[17],"of":[18,32,42,61,80,99,115,158],"superadditivity":[19],"is":[20],"major":[22],"obstacle":[23],"to":[24,128,155],"understanding":[25],"capacities,":[26],"both":[27],"quantitatively":[28],"and":[29,44,145,148],"conceptually.":[30],"Examples":[31],"additivity,":[33,160],"while":[34,133],"rare,":[35],"provide":[36],"key":[37],"insight":[38],"into":[39],"origins":[41],"nonadditivity":[43],"enable":[45],"our":[46],"best":[47],"upper":[48],"bounds":[49],"on":[50],"capacities.":[51],"Degradable":[52],"channels,":[53],"which":[54,66],"have":[55],"additive":[56],"coherent":[57,84,116,130],"information,":[58],"are":[59],"some":[60],"only":[63],"channels":[64,82,97],"we":[67,76,94,119],"can":[68,108],"calculate":[69],"quantum":[71,90],"capacity.":[72],"In":[73],"this":[74],"paper,":[75],"introduce":[77],"two":[78],"families":[79],"non-degradable":[81],"whose":[83],"remains":[86],"additive,":[87],"making":[88],"their":[89,101],"tractable.":[92],"First,":[93],"demonstrate":[95],"that":[96,124],"capable":[98],"\u201coutperforming\u201d":[100,136],"environment,":[102],"under":[103],"conditions":[104],"weaker":[105],"than":[106],"degradability,":[107],"exhibit":[109],"either":[110],"strong":[111,144,159],"or":[112],"weak":[113,146,162],"additivity":[114,132,147,163],"information.":[117],"Second,":[118],"explore":[120],"complementary":[122],"construction":[123],"modifies":[125],"preserve":[129],"destroying":[134],"property.":[137],"We":[138],"analyze":[139],"how":[140,150],"structural":[141],"constraints":[142,153],"guarantee":[143],"investigate":[149],"relaxing":[151],"these":[152],"leads":[154],"failure":[157],"with":[161],"potentially":[164],"persisting.":[165]},"counts_by_year":[{"year":2025,"cited_by_count":3}],"updated_date":"2026-03-07T16:01:11.037858","created_date":"2025-10-21T00:00:00"}
