... 3]},
L
1
(7, 11, 12) = {[7, 8, 11], [7, 1, 12], [11, 7, 12]},
L
1
(8, 12, 2) = { [8, 9, 12], [8, 0, 2], [12, 8, 2]},
L
1
(12, 3, 6) = { [12, 0, 3], [12, 4, 6], [3, 12, 6]},
L
1
(10, 1, 2) = {[10, ... analogous
problem for 3-cycle systems (or Steiner triple systems) is also very hard. This problem
has been considered and partially solved by Colbourn, Dinitz and Rosa [...
Ngày tải lên :
07/08/2014, 06:22