Details for entry \(A_2(13,7)\)

Lower bounds

• cdc_average_argument ( ) : 4161857
• ef_computation ( show
  [(0, 1, 2, 3, 4, 5), (0, 1, 2, 6, 8, 9, 10), (3, 4, 6, 7, 8), (0, 1, 5, 6, 7, 11, 12), (1, 2, 3, 7, 8, 9, 11, 12), (0, 3, 4, 6, 9, 10, 11, 12), (5, 7, 9, 10), (2, 4, 5, 8, 10, 11, 12)] (if conjecture about Ferrers Diagram Rank-Metric Codes is true: 2097872)
  ) : 2097440
• improved_cdc_lower_bound ( ) : 2097226
• layer_construction ( ) : 2097226
• cdc_lower_bound ( ) : 2097225
• gilbert_varshamov ( ) : 2877
• trivial_4 ( ) : 2
• trivial_2 ( ) : 0

Upper bounds

• heinlein_ihringer_semidefinite_programming ( ) : 4678401
• improved_cdc_upper_bound ( ) : 4679266
• cdc_upper_bound ( ) : 4679272
• semidefinite_programming ( ) : 4691980
• relax_d ( ) : 344063682
• trivial_3 ( ) : 37558989808526

Do you have better bounds?