{"id":"https://openalex.org/W3049674471","doi":"https://doi.org/10.1109/isit44484.2020.9174320","title":"Additivity in Classical-Quantum Wiretap Channels","display_name":"Additivity in Classical-Quantum Wiretap Channels","publication_year":2020,"publication_date":"2020-06-01","ids":{"openalex":"https://openalex.org/W3049674471","doi":"https://doi.org/10.1109/isit44484.2020.9174320","mag":"3049674471"},"language":"en","primary_location":{"id":"doi:10.1109/isit44484.2020.9174320","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit44484.2020.9174320","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE International Symposium on Information Theory (ISIT)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5053370214","display_name":"Arkin Tikku","orcid":"https://orcid.org/0000-0002-5942-9325"},"institutions":[{"id":"https://openalex.org/I129604602","display_name":"The University of Sydney","ror":"https://ror.org/0384j8v12","country_code":"AU","type":"education","lineage":["https://openalex.org/I129604602"]},{"id":"https://openalex.org/I4210129739","display_name":"ARC Centre of Excellence for Engineered Quantum Systems","ror":"https://ror.org/03rtykw43","country_code":"AU","type":"facility","lineage":["https://openalex.org/I1337719021","https://openalex.org/I165143802","https://openalex.org/I2801453606","https://openalex.org/I4210129739","https://openalex.org/I4210132349"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Arkin Tikku","raw_affiliation_strings":["University of Sydney,Centre for Engineered Quantum Systems, School of Physics,Australia","Centre for Engineered Quantum Systems, School of Physics, University of Sydney, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Sydney,Centre for Engineered Quantum Systems, School of Physics,Australia","institution_ids":["https://openalex.org/I4210129739"]},{"raw_affiliation_string":"Centre for Engineered Quantum Systems, School of Physics, University of Sydney, Australia","institution_ids":["https://openalex.org/I129604602","https://openalex.org/I4210129739"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067801862","display_name":"Joseph M. Renes","orcid":"https://orcid.org/0000-0003-2302-8025"},"institutions":[{"id":"https://openalex.org/I35440088","display_name":"ETH Zurich","ror":"https://ror.org/05a28rw58","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088"]},{"id":"https://openalex.org/I4210112966","display_name":"Instituto de F\u00edsica Te\u00f3rica","ror":"https://ror.org/022r8mj40","country_code":"ES","type":"facility","lineage":["https://openalex.org/I134820265","https://openalex.org/I4210112966","https://openalex.org/I63634437"]}],"countries":["CH","ES"],"is_corresponding":false,"raw_author_name":"Joseph M. Renes","raw_affiliation_strings":["ETH Z&#x00FC;rich,Institute for Theoretical Physics,Switzerland","Institute for Theoretical Physics, ETH Z\u00fcrich, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ETH Z&#x00FC;rich,Institute for Theoretical Physics,Switzerland","institution_ids":["https://openalex.org/I4210112966"]},{"raw_affiliation_string":"Institute for Theoretical Physics, ETH Z\u00fcrich, Switzerland","institution_ids":["https://openalex.org/I35440088"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5029170997","display_name":"Mario Berta","orcid":"https://orcid.org/0000-0002-0428-3429"},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Mario Berta","raw_affiliation_strings":["Imperial College London,Department of Computing,United Kingdom","Department of Computing, Imperial College London, United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Imperial College London,Department of Computing,United Kingdom","institution_ids":["https://openalex.org/I47508984"]},{"raw_affiliation_string":"Department of Computing, Imperial College London, United Kingdom","institution_ids":["https://openalex.org/I47508984"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.08688681,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1996","last_page":"2001"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10020","display_name":"Quantum Information and Cryptography","score":0.9994000196456909,"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/T10020","display_name":"Quantum Information and Cryptography","score":0.9994000196456909,"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/T10682","display_name":"Quantum Computing Algorithms and Architecture","score":0.9987000226974487,"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/T10622","display_name":"Quantum Mechanics and Applications","score":0.9980999827384949,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/quantum","display_name":"Quantum","score":0.6511546969413757},{"id":"https://openalex.org/keywords/classical-capacity","display_name":"Classical capacity","score":0.6032246351242065},{"id":"https://openalex.org/keywords/quantum-entanglement","display_name":"Quantum entanglement","score":0.5939209461212158},{"id":"https://openalex.org/keywords/additive-function","display_name":"Additive function","score":0.5862223505973816},{"id":"https://openalex.org/keywords/quantum-channel","display_name":"Quantum channel","score":0.5207626819610596},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4926219582557678},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.4455728828907013},{"id":"https://openalex.org/keywords/coherent-information","display_name":"Coherent information","score":0.4161020517349243},{"id":"https://openalex.org/keywords/information-theory","display_name":"Information theory","score":0.4154958128929138},{"id":"https://openalex.org/keywords/quantum-capacity","display_name":"Quantum capacity","score":0.4114750325679779},{"id":"https://openalex.org/keywords/statistical-physics","display_name":"Statistical physics","score":0.36309096217155457},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.34847450256347656},{"id":"https://openalex.org/keywords/quantum-mechanics","display_name":"Quantum mechanics","score":0.28516626358032227},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.26075953245162964},{"id":"https://openalex.org/keywords/quantum-network","display_name":"Quantum network","score":0.2429201602935791},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.11716517806053162},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.1061391532421112}],"concepts":[{"id":"https://openalex.org/C84114770","wikidata":"https://www.wikidata.org/wiki/Q46344","display_name":"Quantum","level":2,"score":0.6511546969413757},{"id":"https://openalex.org/C168090291","wikidata":"https://www.wikidata.org/wiki/Q5128319","display_name":"Classical capacity","level":5,"score":0.6032246351242065},{"id":"https://openalex.org/C121040770","wikidata":"https://www.wikidata.org/wiki/Q215675","display_name":"Quantum entanglement","level":3,"score":0.5939209461212158},{"id":"https://openalex.org/C38803922","wikidata":"https://www.wikidata.org/wiki/Q95745348","display_name":"Additive function","level":2,"score":0.5862223505973816},{"id":"https://openalex.org/C187486625","wikidata":"https://www.wikidata.org/wiki/Q2122176","display_name":"Quantum channel","level":4,"score":0.5207626819610596},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4926219582557678},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.4455728828907013},{"id":"https://openalex.org/C184049767","wikidata":"https://www.wikidata.org/wiki/Q5141355","display_name":"Coherent information","level":5,"score":0.4161020517349243},{"id":"https://openalex.org/C52622258","wikidata":"https://www.wikidata.org/wiki/Q131222","display_name":"Information theory","level":2,"score":0.4154958128929138},{"id":"https://openalex.org/C41241483","wikidata":"https://www.wikidata.org/wiki/Q7269015","display_name":"Quantum capacity","level":5,"score":0.4114750325679779},{"id":"https://openalex.org/C121864883","wikidata":"https://www.wikidata.org/wiki/Q677916","display_name":"Statistical physics","level":1,"score":0.36309096217155457},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.34847450256347656},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.28516626358032227},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.26075953245162964},{"id":"https://openalex.org/C186468114","wikidata":"https://www.wikidata.org/wiki/Q836478","display_name":"Quantum network","level":4,"score":0.2429201602935791},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.11716517806053162},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.1061391532421112},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/isit44484.2020.9174320","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit44484.2020.9174320","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE International Symposium on Information Theory (ISIT)","raw_type":"proceedings-article"},{"id":"pmh:oai:spiral.imperial.ac.uk:10044/1/94044","is_oa":false,"landing_page_url":"http://hdl.handle.net/10044/1/94044","pdf_url":null,"source":{"id":"https://openalex.org/S4306401396","display_name":"Spiral (Imperial College London)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I47508984","host_organization_name":"Imperial College London","host_organization_lineage":["https://openalex.org/I47508984"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"2020 IEEE International Symposium on Information Theory (ISIT)","raw_type":"Conference Paper"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W1549664537","https://openalex.org/W1568529095","https://openalex.org/W1572877829","https://openalex.org/W1970302872","https://openalex.org/W1978188352","https://openalex.org/W2040211109","https://openalex.org/W2063059948","https://openalex.org/W2080566847","https://openalex.org/W2083257650","https://openalex.org/W2139031962","https://openalex.org/W2141412822","https://openalex.org/W2144007657","https://openalex.org/W2296441616","https://openalex.org/W2594901681","https://openalex.org/W2899569130","https://openalex.org/W3006323515","https://openalex.org/W3081417862","https://openalex.org/W4229909698","https://openalex.org/W4302366875","https://openalex.org/W6634391717"],"related_works":["https://openalex.org/W1977821353","https://openalex.org/W4387076331","https://openalex.org/W2264989289","https://openalex.org/W3175244187","https://openalex.org/W2024610312","https://openalex.org/W2132333350","https://openalex.org/W2912338446","https://openalex.org/W2968073209","https://openalex.org/W2141412822","https://openalex.org/W3021095361"],"abstract_inverted_index":{"Due":[0],"to":[1,37,50,57],"Csisz\u00e1r":[2],"and":[3,147],"K\u00f6rner,":[4],"the":[5,18,32,39,77,80,85,116,126,132,151],"capacity":[6,81],"of":[7,17,31,79,84,95,112,125],"classical":[8,72,106,160],"wiretap":[9,23,46,66,103,152],"channels":[10,47,67,104],"has":[11],"a":[12],"single-letter":[13],"characterization":[14,78],"in":[15,48,61,82,99,150],"terms":[16,83],"private":[19,33,86,117],"information.":[20],"For":[21,65,102],"quantum":[22,69,130,154],"channels,":[24],"however,":[25],"it":[26],"is":[27,35,55],"known":[28],"that":[29,76,115,141,149],"regularization":[30],"information":[34,63,87,118],"necessary":[36],"reach":[38],"capacity.":[40],"Here":[41],"we":[42,74,108],"study":[43],"hybrid":[44],"classical-quantum":[45],"order":[49],"resolve":[51],"how":[52],"much":[53],"quantumness":[54],"needed":[56],"witness":[58],"non-additivity":[59,139],"phenomena":[60],"Shannon":[62],"theory.":[64],"with":[68,105],"inputs":[70],"but":[71],"outputs,":[73],"prove":[75],"stays":[88],"single-letter.":[89],"Hence,":[90],"entangled":[91],"input":[92],"states":[93],"are":[94,142,156],"no":[96],"asymptotic":[97],"advantage":[98],"this":[100],"setting.":[101],"inputs,":[107],"show":[109],"by":[110,145],"means":[111],"explicit":[113],"examples":[114,140],"already":[119],"becomes":[120,129],"non-additive":[121],"when":[122],"either":[123],"one":[124],"two":[127],"receivers":[128],"(with":[131],"other":[133],"receiver":[134],"staying":[135],"classical).":[136],"This":[137],"gives":[138],"not":[143],"caused":[144],"entanglement":[146],"illustrates":[148],"model":[153],"adversaries":[155],"strictly":[157],"different":[158],"from":[159],"adversaries.":[161]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
