{"id":"https://openalex.org/W4401692534","doi":"https://doi.org/10.1109/isit57864.2024.10619673","title":"The Langberg-M\u00e9dard Multiple Unicast Conjecture for Networks with Collapsed Backbone","display_name":"The Langberg-M\u00e9dard Multiple Unicast Conjecture for Networks with Collapsed Backbone","publication_year":2024,"publication_date":"2024-07-07","ids":{"openalex":"https://openalex.org/W4401692534","doi":"https://doi.org/10.1109/isit57864.2024.10619673"},"language":"en","primary_location":{"id":"doi:10.1109/isit57864.2024.10619673","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit57864.2024.10619673","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 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/A5102935428","display_name":"Kai Cai","orcid":"https://orcid.org/0000-0002-8798-8650"},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":true,"raw_author_name":"Kai Cai","raw_affiliation_strings":["The University of Hong Kong,Pokfulam,Hong Kong"],"affiliations":[{"raw_affiliation_string":"The University of Hong Kong,Pokfulam,Hong Kong","institution_ids":["https://openalex.org/I889458895"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5000081781","display_name":"Guangyue Han","orcid":"https://orcid.org/0000-0001-9895-5646"},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Guangyue Han","raw_affiliation_strings":["The University of Hong Kong,Pokfulam,Hong Kong"],"affiliations":[{"raw_affiliation_string":"The University of Hong Kong,Pokfulam,Hong Kong","institution_ids":["https://openalex.org/I889458895"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5102935428"],"corresponding_institution_ids":["https://openalex.org/I889458895"],"apc_list":null,"apc_paid":null,"fwci":0.3755,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.60516761,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"1309","last_page":"1314"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9975000023841858,"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"}},"topics":[{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9975000023841858,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9750000238418579,"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/T11797","display_name":"graph theory and CDMA systems","score":0.9735000133514404,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/unicast","display_name":"Unicast","score":0.9178776144981384},{"id":"https://openalex.org/keywords/conjecture","display_name":"Conjecture","score":0.592461884021759},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5476504564285278},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.33647647500038147},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.32040688395500183},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2954631447792053},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.288771390914917},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.2705067992210388}],"concepts":[{"id":"https://openalex.org/C11704745","wikidata":"https://www.wikidata.org/wiki/Q918337","display_name":"Unicast","level":3,"score":0.9178776144981384},{"id":"https://openalex.org/C2780990831","wikidata":"https://www.wikidata.org/wiki/Q319141","display_name":"Conjecture","level":2,"score":0.592461884021759},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5476504564285278},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.33647647500038147},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.32040688395500183},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2954631447792053},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.288771390914917},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.2705067992210388},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/isit57864.2024.10619673","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit57864.2024.10619673","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE International Symposium on Information Theory (ISIT)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1679422160","https://openalex.org/W1978601678","https://openalex.org/W1982221487","https://openalex.org/W1988191034","https://openalex.org/W2117341422","https://openalex.org/W2122070588","https://openalex.org/W2164808802","https://openalex.org/W2340149117","https://openalex.org/W2508558984","https://openalex.org/W2609828883","https://openalex.org/W2767454305","https://openalex.org/W2886134986","https://openalex.org/W3080345549","https://openalex.org/W3150665916","https://openalex.org/W4214681728","https://openalex.org/W4226271765","https://openalex.org/W4301972031"],"related_works":["https://openalex.org/W4387497383","https://openalex.org/W2948807893","https://openalex.org/W2778153218","https://openalex.org/W2748952813","https://openalex.org/W1531601525","https://openalex.org/W4391375266","https://openalex.org/W2078814861","https://openalex.org/W2527526854","https://openalex.org/W1976181487","https://openalex.org/W1986764834"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3,21],"consider":[4],"a":[5,32,42],"strongly":[6],"reachable":[7],"multiple":[8,26],"unicast":[9,27],"network":[10,33],"with":[11],"<tex":[12],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[13],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">$k$</tex>":[14],"pairs":[15],"of":[16,49],"sender":[17],"and":[18,20],"receivers,":[19],"show":[22],"that":[23,37,45],"the":[24,35,47],"Langberg-M\u00e9dard":[25],"conjecture":[28],"holds":[29],"for":[30],"such":[31],"under":[34],"assumption":[36],"it":[38],"is":[39],"supported":[40],"on":[41],"collapsed":[43],"backbone":[44],"takes":[46],"form":[48],"rooted":[50],"binary":[51],"tree.":[52]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2025-12-26T23:08:49.675405","created_date":"2025-10-10T00:00:00"}