{"id":"https://openalex.org/W4412481748","doi":"https://doi.org/10.1145/3694906.3743317","title":"Dispersion is (Almost) Optimal under (A)synchrony","display_name":"Dispersion is (Almost) Optimal under (A)synchrony","publication_year":2025,"publication_date":"2025-07-16","ids":{"openalex":"https://openalex.org/W4412481748","doi":"https://doi.org/10.1145/3694906.3743317"},"language":"en","primary_location":{"id":"doi:10.1145/3694906.3743317","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3694906.3743317","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3694906.3743317","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 37th ACM Symposium on Parallelism in Algorithms and Architectures","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3694906.3743317","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5030287525","display_name":"Ajay D. Kshemkalyani","orcid":"https://orcid.org/0000-0003-2451-7306"},"institutions":[{"id":"https://openalex.org/I39422238","display_name":"University of Illinois Chicago","ror":"https://ror.org/02mpq6x41","country_code":"US","type":"education","lineage":["https://openalex.org/I39422238"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Ajay D. Kshemkalyani","raw_affiliation_strings":["University of Illinois Chicago, Chicago, IL, USA"],"raw_orcid":"https://orcid.org/0000-0003-2451-7306","affiliations":[{"raw_affiliation_string":"University of Illinois Chicago, Chicago, IL, USA","institution_ids":["https://openalex.org/I39422238"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006344213","display_name":"Manish Kumar","orcid":"https://orcid.org/0000-0002-0414-7910"},"institutions":[{"id":"https://openalex.org/I24676775","display_name":"Indian Institute of Technology Madras","ror":"https://ror.org/03v0r5n49","country_code":"IN","type":"facility","lineage":["https://openalex.org/I24676775"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Manish Kumar","raw_affiliation_strings":["Indian Institute of Technology Madras, Chennai, India"],"raw_orcid":"https://orcid.org/0000-0002-0414-7910","affiliations":[{"raw_affiliation_string":"Indian Institute of Technology Madras, Chennai, India","institution_ids":["https://openalex.org/I24676775"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018807670","display_name":"Anisur Rahaman Molla","orcid":"https://orcid.org/0000-0002-1537-3462"},"institutions":[{"id":"https://openalex.org/I6498739","display_name":"Indian Statistical Institute","ror":"https://ror.org/00q2w1j53","country_code":"IN","type":"education","lineage":["https://openalex.org/I6498739"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Anisur Rahaman Molla","raw_affiliation_strings":["Indian Statistical Institute, Kolkata, India"],"raw_orcid":"https://orcid.org/0000-0002-1537-3462","affiliations":[{"raw_affiliation_string":"Indian Statistical Institute, Kolkata, India","institution_ids":["https://openalex.org/I6498739"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005878475","display_name":"Debasish Pattanayak","orcid":"https://orcid.org/0000-0003-2862-2795"},"institutions":[{"id":"https://openalex.org/I153718931","display_name":"University of Ottawa","ror":"https://ror.org/03c4mmv16","country_code":"CA","type":"education","lineage":["https://openalex.org/I153718931"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Debasish Pattanayak","raw_affiliation_strings":["University of Ottawa, Ottawa, Ontario, Canada"],"raw_orcid":"https://orcid.org/0000-0003-2862-2795","affiliations":[{"raw_affiliation_string":"University of Ottawa, Ottawa, Ontario, Canada","institution_ids":["https://openalex.org/I153718931"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5002981812","display_name":"Gokarna Sharma","orcid":null},"institutions":[{"id":"https://openalex.org/I149910238","display_name":"Kent State University","ror":"https://ror.org/049pfb863","country_code":"US","type":"education","lineage":["https://openalex.org/I149910238"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Gokarna Sharma","raw_affiliation_strings":["Kent State University, Kent, OH, USA"],"raw_orcid":"https://orcid.org/0000-0002-4930-4609","affiliations":[{"raw_affiliation_string":"Kent State University, Kent, OH, USA","institution_ids":["https://openalex.org/I149910238"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5030287525"],"corresponding_institution_ids":["https://openalex.org/I39422238"],"apc_list":null,"apc_paid":null,"fwci":5.4066,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.95836227,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"367","last_page":"381"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12288","display_name":"Optimization and Search Problems","score":0.9997000098228455,"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/T12288","display_name":"Optimization and Search Problems","score":0.9997000098228455,"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/T10772","display_name":"Distributed systems and fault tolerance","score":0.989799976348877,"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/T12101","display_name":"Advanced Bandit Algorithms Research","score":0.9764999747276306,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/dispersion","display_name":"Dispersion (optics)","score":0.6777443885803223},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4418303370475769},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2731201648712158},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.2546193599700928}],"concepts":[{"id":"https://openalex.org/C177562468","wikidata":"https://www.wikidata.org/wiki/Q182893","display_name":"Dispersion (optics)","level":2,"score":0.6777443885803223},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4418303370475769},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2731201648712158},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.2546193599700928}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3694906.3743317","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3694906.3743317","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3694906.3743317","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 37th ACM Symposium on Parallelism in Algorithms and Architectures","raw_type":"proceedings-article"}],"best_oa_location":{"id":"doi:10.1145/3694906.3743317","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3694906.3743317","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3694906.3743317","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 37th ACM Symposium on Parallelism in Algorithms and Architectures","raw_type":"proceedings-article"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320306227","display_name":"Arthritis National Research Foundation","ror":"https://ror.org/03abbex33"},{"id":"https://openalex.org/F4320334771","display_name":"Science and Engineering Research Board","ror":"https://ror.org/03ffdsr55"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4412481748.pdf","grobid_xml":"https://content.openalex.org/works/W4412481748.grobid-xml"},"referenced_works_count":30,"referenced_works":["https://openalex.org/W1551321261","https://openalex.org/W1802748673","https://openalex.org/W1969099455","https://openalex.org/W2039936247","https://openalex.org/W2131666042","https://openalex.org/W2147342018","https://openalex.org/W2166417226","https://openalex.org/W2207472552","https://openalex.org/W2494454782","https://openalex.org/W2909216346","https://openalex.org/W2963426245","https://openalex.org/W3106687373","https://openalex.org/W3114161872","https://openalex.org/W3168734391","https://openalex.org/W3183798905","https://openalex.org/W4200366677","https://openalex.org/W4285183905","https://openalex.org/W4287124168","https://openalex.org/W4287693950","https://openalex.org/W4383334996","https://openalex.org/W4389362338","https://openalex.org/W4391529565","https://openalex.org/W4405801223","https://openalex.org/W4405992959","https://openalex.org/W4405993355","https://openalex.org/W4405993373","https://openalex.org/W4409716983","https://openalex.org/W4415288846","https://openalex.org/W6765901331","https://openalex.org/W6859788066"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"The":[0,94,133],"dispersion":[1],"problem":[2],"has":[3,96],"received":[4],"much":[5],"attention":[6],"recently":[7],"in":[8,44,185,206],"the":[9,24,54,114,150,167,181,189,202,210,236],"distributed":[10],"computing":[11],"literature.":[12],"In":[13,171],"this":[14,172,178],"problem,":[15],"k":[16],"\u2264":[17],"n":[18],"agents":[19,74],"placed":[20],"initially":[21],"arbitrarily":[22],"on":[23,49,75,117,177],"nodes":[25,247],"of":[26,32,53,84,130,254],"an":[27,229],"n-node,":[28],"m-edge":[29],"anonymous":[30],"graph":[31,131],"maximum":[33],"degree":[34],"\u0394":[35],"have":[36,136],"to":[37,40,64,67,89,98,243,248],"reposition":[38],"autonomously":[39],"reach":[41],"a":[42,50,100],"configuration":[43],"which":[45,113,225,251],"each":[46],"agent":[47,128],"is":[48,57,120,124,226],"distinct":[51],"node":[52],"graph.":[55],"Dispersion":[56],"interesting":[58],"as":[59,61,78,184,205],"well":[60],"important":[62],"due":[63],"its":[65],"connections":[66],"many":[68],"fundamental":[69],"coordination":[70],"problems":[71],"by":[72],"mobile":[73],"graphs,":[76],"such":[77],"exploration,":[79],"scattering,":[80],"load":[81],"balancing,":[82],"relocation":[83],"self-driven":[85],"electric":[86],"cars":[87],"(robots)":[88],"recharge":[90],"stations":[91],"(nodes),":[92],"etc.":[93],"objective":[95],"been":[97],"provide":[99],"solution":[101],"that":[102],"optimizes":[103],"simultaneously":[104],"time":[105,118,138,156,193,214],"and":[106,143,154,160],"memory":[107,144,161,196,220],"complexities.":[108],"There":[109],"exist":[110],"graphs":[111],"for":[112],"lower":[115],"bound":[116],"complexity":[119,123,139,145,157,162,197,215,221],"\u03a9(k).":[121],"Memory":[122],"\u03a9(log":[125],"k)":[126,142,218,231],"per":[127],"independent":[129,255],"topology.":[132],"state-of-the-art":[134],"algorithms":[135],"(i)":[137],"O(k":[140,216],"log2":[141],"O(log(k":[146,163,198,222],"+":[147,164,199,223],"\u0394))":[148,165],"under":[149,166],"synchronous":[151,182],"setting":[152,169,183,204],"[DISC'24]":[153],"(ii)":[155],"O(min{m,":[158],"k\u0394})":[159],"asynchronous":[168,203],"[OPODIS'21].":[170],"paper,":[173],"we":[174,187,208],"improve":[175],"substantially":[176],"state-of-the-art.":[179],"Under":[180,201],"[DISC'24],":[186],"present":[188,209],"first":[190,211],"optimal":[191],"O(k)":[192],"algorithm":[194,212],"keeping":[195,219],"\u0394)).":[200],"[OPODIS'21],":[207],"with":[213],"log":[217],"\u0394)),":[224],"time-optimal":[227],"within":[228],"O(log":[230],"factor":[232],"despite":[233],"asynchrony.":[234],"Both":[235],"results":[237],"were":[238],"obtained":[239],"through":[240],"novel":[241],"techniques":[242],"quickly":[244],"find":[245],"empty":[246],"settle":[249],"agents,":[250],"may":[252],"be":[253],"interest.":[256]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
