Details for entry \(A_9(19,6;4)\)

Lower bounds

• construction_1 ( ) : 42391238163369352752675736288
• CKMP2019_Cor_42 ( (15, 4) ) : 42391238163369352752185549227
• CKMP2019_Lem_41 ( (15, 4) ) : 42391238163369352752185549227
• generalized_linkage ( 15,0 ) : 42391238163369352752185549227
• generalized_linkage_multipleblocks ( show
  [15, 4],[0, 0]
  ) : 42391238163369352752185549227
• improved_linkage ( 15 ) : 42391238163369352752185549227
• construction_ST_A_1 ( ) : 42391238055507621198271000468
• ef_computation ( show
  [(0, 1, 2, 3), (2, 4, 5, 6), (3, 5, 7, 8), (0, 4, 7, 9), (1, 6, 7, 10), (0, 6, 8, 11), (2, 8, 9, 10), (1, 5, 9, 11), (1, 4, 8, 12), (3, 4, 10, 11), (3, 6, 9, 12), (0, 5, 10, 12), (2, 7, 11, 12), (8, 13, 14, 15), (2, 13, 16, 17), (12, 14, 16, 18), (5, 15, 17, 18)]
  ) : 42391238055322058599353915817
• multicomponent ( ) : 42391238041809375304530838726
• LMRD ( ) : 42391158275216203514294433201
• LiuChangFeng2019_Theo_2_6 ( ) : 42391158275216203514294433201
• sphere_covering ( ) : 5689608527406763515367850
• graham_sloane ( ) : 8987421216173692549726
• HKK_lemma_2_4_lower_bound ( ) : 16700089916286918

Upper bounds

• improved_johnson ( ) : 42455858831507255135523104107
• Ahlswede_Aydinian ( 2, 2 ) : 42455858831507255135523104124
• linear_programming_bound ( ) : 42455858831507255135523104124
• HKK_lemma_2_4_upper_bound ( ) : 1332332399906667881805366961047448230786

Bound for codes containing the lifted MRD code

Do you have better bounds?