SC: A_9(19,4;8)

Lower bounds

EF_Kurz2020_special ( ) : 29973697026756603314019362623281023278094694159378234061636310178009770385

construction_ST_B_recursive ( ) : 29973636439636704539558217472416705317244006954378905881075605724274385574

LiuChangFeng2019_Theo_3_14 ( ) : 29973636439635394319351331649460266494850785698119027324982448565425880449

LiuChangFeng2019_Theo_3_12 ( ) : 29973635753016093529323451022003382046539665203440454654269147132153573102

two_pivot_block_construction ( ) : 29973635743224524912533859341328885910382311618682093402321128908845481984

CKMP2019_Cor_45 (

(11,),(5,),(4,)

) : 29969067375957679524593685227594993545679129529228838534078399462138659483

CKMP2019_Cor_42 ( (8, 11) ) : 29969067375957679524593685227594993529255926260968180387846931661429404194

CKMP2019_Lem_41 ( (8, 11) ) : 29969067375957679524593685227594993529255926260968180387846931661429404194

generalized_linkage ( 8,0 ) : 29969067375957679524593685227594993529255926260968180387846931661429404194

generalized_linkage_multipleblocks (

[8, 11],[0, 0]

) : 29969067375957679524593685227594993529255926260968180387846931661429404194

LiuChangFeng2019_Theo_2_6 ( ) : 29969067297635554976323090670533606121931246663490945216924675170669650106

improved_linkage ( 8 ) : 29969067287846595054493061149883941068692027300903156755692560030185394334

multicomponent ( ) : 29969067287846594827409401005302504828335979425800174179815283831826331942

LMRD ( ) : 29969067287845284806900763378587428179104321131567560879029936829441608169

HKK_lemma_2_4_lower_bound ( ) : 4568464719829878220706897589263190068873520787299247294593358234156575

ChenHeWengXu2019_T31 ( ) : 507616898451133293641603167307046508513871650811172702402611846322881

graham_sloane ( ) : 6353913716502963489746387330456675787083336493117345879649493948026

sphere_covering ( ) : 5647923434942666828522445363212797918234998723806816770403447733089

Upper bounds

Ahlswede_Aydinian ( 0, 18, o ) : 30390572327068572599996725939138509663434845197431326356773500073480837783

improved_johnson ( ) : 30390572327068572599996725939138509663435061519969305908401149434502399539

linear_programming_bound ( ) : 30390572334816066843807995322482124979602755729823033346632621610977267362

HKK_lemma_2_4_upper_bound ( ) : 2461636365465299216227932649598322132524515371670444089941605569294271551525

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Details for entry \(A_9(19,4;8)\)

Lower bounds

Upper bounds

Bound for codes containing the lifted MRD code

Do you have better bounds?