{"id":"https://openalex.org/W7224015407","doi":"https://doi.org/10.1137/24m1684025","title":"Benchmark-Tight Approximation Ratio of Simple Mechanism for a Unit-Demand Buyer","display_name":"Benchmark-Tight Approximation Ratio of Simple Mechanism for a Unit-Demand Buyer","publication_year":2026,"publication_date":"2026-10-27","ids":{"openalex":"https://openalex.org/W7224015407","doi":"https://doi.org/10.1137/24m1684025"},"language":"en","primary_location":{"id":"doi:10.1137/24m1684025","doi":"https://doi.org/10.1137/24m1684025","is_oa":false,"landing_page_url":"https://doi.org/10.1137/24m1684025","pdf_url":null,"source":{"id":"https://openalex.org/S153560523","display_name":"SIAM Journal on Computing","issn_l":"0097-5397","issn":["0097-5397","1095-7111"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["ccf-a","cwts-core","dongbi-a","jufo-3","norway-2","poland-200","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320508","host_organization_name":"Society for Industrial and Applied Mathematics","host_organization_lineage":["https://openalex.org/P4310320508"],"host_organization_lineage_names":["Society for Industrial and Applied Mathematics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIAM Journal on Computing","raw_type":"journal-article"},"volume":null,"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/A5055378538","display_name":"Yaonan Jin","orcid":"https://orcid.org/0000-0001-6256-7625","observed_orcids":["https://orcid.org/0000-0001-6256-7625"]},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Yaonan Jin","raw_affiliation_strings":["Hong Kong University of Science and Technology, Hong Kong. Part of this work was done while the author was at Huawei Taylor Lab"],"raw_orcid":"https://orcid.org/0000-0001-6256-7625","affiliations":[{"raw_affiliation_string":"Hong Kong University of Science and Technology, Hong Kong. Part of this work was done while the author was at Huawei Taylor Lab","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5025408809","display_name":"Pinyan Lu","orcid":"https://orcid.org/0009-0005-0569-4122","observed_orcids":["https://orcid.org/0009-0005-0569-4122"]},"institutions":[{"id":"https://openalex.org/I181679659","display_name":"Shanghai University of Finance and Economics","ror":"https://ror.org/00wtvfq62","country_code":"CN","type":"education","lineage":["https://openalex.org/I181679659"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Pinyan Lu","raw_affiliation_strings":["Shanghai University of Finance and Economics, Laboratory of Interdisciplinary Research of Computation and Economics (SUFE), and Huawei Taylor Lab"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shanghai University of Finance and Economics, Laboratory of Interdisciplinary Research of Computation and Economics (SUFE), and Huawei Taylor Lab","institution_ids":["https://openalex.org/I181679659"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"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":0.84809911,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"55","issue":"5","first_page":"1145","last_page":"1183"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11182","display_name":"Auction Theory and Applications","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T11182","display_name":"Auction Theory and Applications","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10991","display_name":"Game Theory and Voting Systems","score":0.0006000000284984708,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12288","display_name":"Optimization and Search Problems","score":0.00039999998989515007,"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/revenue-maximization","display_name":"revenue maximization","score":0.9049999713897705},{"id":"https://openalex.org/keywords/product-pricing","display_name":"product pricing","score":0.6650000214576721},{"id":"https://openalex.org/keywords/prophet-inequality","display_name":"prophet inequality","score":0.9150000214576721},{"id":"https://openalex.org/keywords/approximation-ratio","display_name":"approximation ratio","score":0.6430000066757202},{"id":"https://openalex.org/keywords/impossibility-results","display_name":"impossibility results","score":0.8859999775886536}],"concepts":[{"id":"https://openalex.org/C2776261394","wikidata":"https://www.wikidata.org/wiki/Q315562","display_name":"Impossibility","level":2,"score":0.5547999739646912},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.5329999923706055},{"id":"https://openalex.org/C144237770","wikidata":"https://www.wikidata.org/wiki/Q747534","display_name":"Mathematical economics","level":1,"score":0.5181000232696533},{"id":"https://openalex.org/C2778023678","wikidata":"https://www.wikidata.org/wiki/Q554403","display_name":"Duality (order theory)","level":2,"score":0.48969998955726624},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4569000005722046},{"id":"https://openalex.org/C2776029896","wikidata":"https://www.wikidata.org/wiki/Q3935810","display_name":"Relaxation (psychology)","level":2,"score":0.45419999957084656},{"id":"https://openalex.org/C112313634","wikidata":"https://www.wikidata.org/wiki/Q7886648","display_name":"Complement (music)","level":5,"score":0.4194999933242798},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.41760000586509705},{"id":"https://openalex.org/C2778701210","wikidata":"https://www.wikidata.org/wiki/Q28130034","display_name":"Constructive","level":3,"score":0.4097000062465668},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.39629998803138733},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.3930000066757202},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.38960000872612},{"id":"https://openalex.org/C153517567","wikidata":"https://www.wikidata.org/wiki/Q26090","display_name":"Mechanism design","level":2,"score":0.36340001225471497},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.33090001344680786},{"id":"https://openalex.org/C195487862","wikidata":"https://www.wikidata.org/wiki/Q850210","display_name":"Revenue","level":2,"score":0.30720001459121704},{"id":"https://openalex.org/C2780554755","wikidata":"https://www.wikidata.org/wiki/Q955260","display_name":"Relaxation technique","level":3,"score":0.2667999863624573},{"id":"https://openalex.org/C202854965","wikidata":"https://www.wikidata.org/wiki/Q3044470","display_name":"Constructive proof","level":2,"score":0.26589998602867126},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.26489999890327454},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.2614000141620636},{"id":"https://openalex.org/C25360446","wikidata":"https://www.wikidata.org/wiki/Q1512771","display_name":"Linear programming relaxation","level":3,"score":0.25940001010894775},{"id":"https://openalex.org/C108710211","wikidata":"https://www.wikidata.org/wiki/Q11538","display_name":"Mathematical proof","level":2,"score":0.2567000091075897}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1137/24m1684025","doi":"https://doi.org/10.1137/24m1684025","is_oa":false,"landing_page_url":"https://doi.org/10.1137/24m1684025","pdf_url":null,"source":{"id":"https://openalex.org/S153560523","display_name":"SIAM Journal on Computing","issn_l":"0097-5397","issn":["0097-5397","1095-7111"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["ccf-a","cwts-core","dongbi-a","jufo-3","norway-2","poland-200","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320508","host_organization_name":"Society for Industrial and Applied Mathematics","host_organization_lineage":["https://openalex.org/P4310320508"],"host_organization_lineage_names":["Society for Industrial and Applied Mathematics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIAM Journal on Computing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":51,"referenced_works":["https://openalex.org/W1974560448","https://openalex.org/W1999069228","https://openalex.org/W2019385392","https://openalex.org/W2025299767","https://openalex.org/W2029050771","https://openalex.org/W2069506462","https://openalex.org/W2077124610","https://openalex.org/W2077881254","https://openalex.org/W2080956807","https://openalex.org/W2088970293","https://openalex.org/W2107403260","https://openalex.org/W2133106342","https://openalex.org/W2133387873","https://openalex.org/W2137162903","https://openalex.org/W2140272575","https://openalex.org/W2240464601","https://openalex.org/W2266969817","https://openalex.org/W2281780232","https://openalex.org/W2298380537","https://openalex.org/W2549743857","https://openalex.org/W2563898808","https://openalex.org/W2756319783","https://openalex.org/W2797066271","https://openalex.org/W2888870252","https://openalex.org/W2895415946","https://openalex.org/W2901729851","https://openalex.org/W2902767316","https://openalex.org/W2950712789","https://openalex.org/W2951509365","https://openalex.org/W2962826553","https://openalex.org/W2963249463","https://openalex.org/W2963855717","https://openalex.org/W2963882139","https://openalex.org/W2965052587","https://openalex.org/W2981591722","https://openalex.org/W2990906638","https://openalex.org/W2991411207","https://openalex.org/W3026028212","https://openalex.org/W3036875494","https://openalex.org/W3127439569","https://openalex.org/W3135981765","https://openalex.org/W3137660403","https://openalex.org/W3214108496","https://openalex.org/W4238495882","https://openalex.org/W4280584838","https://openalex.org/W4307888363","https://openalex.org/W4311609030","https://openalex.org/W4313203245","https://openalex.org/W4316652315","https://openalex.org/W4376639532","https://openalex.org/W4390098151"],"related_works":["https://openalex.org/W7100799832","https://openalex.org/W4289306244","https://openalex.org/W4390439574","https://openalex.org/W3168114954","https://openalex.org/W7129535716","https://openalex.org/W7096789954","https://openalex.org/W2169604085","https://openalex.org/W3093470617","https://openalex.org/W2952224847","https://openalex.org/W2135012080"],"abstract_inverted_index":{"Abstract.":[0],"We":[1,176],"study":[2],"revenue":[3,79,167],"maximization":[4],"in":[5],"the":[6,48,76,134,165,191],"unit-demand":[7],"single-buyer":[8],"setting.":[9],"Our":[10],"main":[11],"result":[12],"is":[13,75,169],"that":[14,216],"Uniform-Ironed-Virtual-Value":[15,102],"Item":[16,103,230],"Pricing":[17,104,231],"guarantees":[18],"a":[19,106,116,141,226],"tight":[20,107,117],"3-approximation":[21],"to":[22,109,119,137,171],"Duality":[23,120,209],"Relaxation":[24,121,210],"Benchmark":[25,122,211],"(Chawla,":[26],"Malec,":[27,65],"and":[28,31,35,38,63,66,69,146,199],"Sivan,":[29],"EC\u201910":[30],"GEB\u201915;":[32],"Cai,":[33],"Devanur,":[34],"Weinberg,":[36],"STOC\u201916":[37],"[":[39,56,201],"SIAM":[40],"J.":[41],"Comput.,":[42],"50":[43],"(2021),":[44],"pp.":[45,61,206],"STOC16-160\u2013STOC16-200]),":[46],"breaking":[47],"barrier":[49,97],"of":[50,58,81,98,203,223,229],"4":[51,99],"since":[52],"Chawla":[53],"et":[54],"al.":[55],"Proceedings":[57,202],"STOC\u201910,":[59],"2010,":[60],"311\u2013320]":[62],"Chawla,":[64,197],"Sivan":[67],"(EC\u201910":[68],"GEB\u201915).":[70],"To":[71],"our":[72,125,138,178,221],"knowledge,":[73],"this":[74,217],"first":[77],"benchmark-tight":[78,179],"guarantee":[80],"any":[82],"simple":[83],"multi-item":[84,161],"mechanism.":[85],"Technically,":[86],"all":[87],"previous":[88,186],"work":[89,139],"employs":[90],"Myerson":[91,110,129],"Auction":[92,111,130],"as":[93,101],"an":[94,182],"intermediary.":[95],"The":[96],"follows":[100],"achieves":[105,115],"2-approximation":[108,118],",":[112,131,212],"which":[113],"then":[114],".":[123,232],"Instead,":[124],"new":[126],"approach":[127,194,218],"avoids":[128],"thus":[132],"enabling":[133],"improvement.":[135],"Central":[136],"are":[140],"benchmark-based":[142],"3-competitive":[143],"prophet":[144,152],"inequality":[145,153],"its":[147],"fully":[148],"constructive":[149],"proof.":[150],"Such":[151],"variants":[154],"will":[155],"likely":[156],"find":[157],"applications":[158],"in,":[159],"e.g.,":[160],"mechanism":[162],"design,":[163],"when":[164],"optimal":[166],"objective":[168],"relaxed":[170],"various":[172],"more":[173],"accessible":[174],"benchmarks.":[175],"complement":[177],"ratio":[180],"with":[181],"impossibility":[183],"result.":[184],"All":[185],"works,":[187],"including":[188],"ours,":[189],"follow":[190],"single-dimensional":[192],"representative":[193],"introduced":[195],"by":[196],"Hartline,":[198],"Kleinberg":[200],"EC\u201907,":[204],"2007,":[205],"243\u2013251].":[207],"Against":[208],"it":[213],"turns":[214],"out":[215],"cannot":[219],"beat":[220],"bound":[222],"3":[224],"for":[225],"large":[227],"class":[228]},"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2026-10-28T00:00:00"}