Best Known (137, 150, s)-Nets in Base 9
(137, 150, 5595640)-Net over F9 — Constructive and digital
Digital (137, 150, 5595640)-net over F9, using
- generalized (u, u+v)-construction [i] based on
- digital (7, 11, 3240)-net over F9, using
- net defined by OOA [i] based on linear OOA(911, 3240, F9, 4, 4) (dual of [(3240, 4), 12949, 5]-NRT-code), using
- appending kth column [i] based on linear OOA(911, 3240, F9, 3, 4) (dual of [(3240, 3), 9709, 5]-NRT-code), using
- OA 2-folding and stacking [i] based on linear OA(911, 6480, F9, 4) (dual of [6480, 6469, 5]-code), using
- base reduction for projective spaces (embedding PG(5,81) in PG(10,9)) [i] based on linear OA(816, 6480, F81, 4) (dual of [6480, 6474, 5]-code), using
- 1 times truncation [i] based on linear OA(817, 6481, F81, 5) (dual of [6481, 6474, 6]-code), using
- base reduction for projective spaces (embedding PG(5,81) in PG(10,9)) [i] based on linear OA(816, 6480, F81, 4) (dual of [6480, 6474, 5]-code), using
- OA 2-folding and stacking [i] based on linear OA(911, 6480, F9, 4) (dual of [6480, 6469, 5]-code), using
- appending kth column [i] based on linear OOA(911, 3240, F9, 3, 4) (dual of [(3240, 3), 9709, 5]-NRT-code), using
- net defined by OOA [i] based on linear OOA(911, 3240, F9, 4, 4) (dual of [(3240, 4), 12949, 5]-NRT-code), using
- digital (35, 41, 2796200)-net over F9, using
- s-reduction based on digital (35, 41, 2796201)-net over F9, using
- net defined by OOA [i] based on linear OOA(941, 2796201, F9, 6, 6) (dual of [(2796201, 6), 16777165, 7]-NRT-code), using
- OA 3-folding and stacking [i] based on linear OA(941, large, F9, 6) (dual of [large, large−41, 7]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 21523360 | 98−1, defining interval I = [0,5], and designed minimum distance d ≥ |I|+1 = 7 [i]
- OA 3-folding and stacking [i] based on linear OA(941, large, F9, 6) (dual of [large, large−41, 7]-code), using
- net defined by OOA [i] based on linear OOA(941, 2796201, F9, 6, 6) (dual of [(2796201, 6), 16777165, 7]-NRT-code), using
- s-reduction based on digital (35, 41, 2796201)-net over F9, using
- digital (85, 98, 2796200)-net over F9, using
- net defined by OOA [i] based on linear OOA(998, 2796200, F9, 14, 13) (dual of [(2796200, 14), 39146702, 14]-NRT-code), using
- OOA 3-folding and stacking with additional row [i] based on linear OOA(998, 8388601, F9, 2, 13) (dual of [(8388601, 2), 16777104, 14]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(998, 8388602, F9, 2, 13) (dual of [(8388602, 2), 16777106, 14]-NRT-code), using
- trace code [i] based on linear OOA(8149, 4194301, F81, 2, 13) (dual of [(4194301, 2), 8388553, 14]-NRT-code), using
- OOA 2-folding [i] based on linear OA(8149, 8388602, F81, 13) (dual of [8388602, 8388553, 14]-code), using
- discarding factors / shortening the dual code based on linear OA(8149, large, F81, 13) (dual of [large, large−49, 14]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 21523361 | 818−1, defining interval I = [0,6], and minimum distance d ≥ |{−6,−5,…,6}|+1 = 14 (BCH-bound) [i]
- discarding factors / shortening the dual code based on linear OA(8149, large, F81, 13) (dual of [large, large−49, 14]-code), using
- OOA 2-folding [i] based on linear OA(8149, 8388602, F81, 13) (dual of [8388602, 8388553, 14]-code), using
- trace code [i] based on linear OOA(8149, 4194301, F81, 2, 13) (dual of [(4194301, 2), 8388553, 14]-NRT-code), using
- discarding factors / shortening the dual code based on linear OOA(998, 8388602, F9, 2, 13) (dual of [(8388602, 2), 16777106, 14]-NRT-code), using
- OOA 3-folding and stacking with additional row [i] based on linear OOA(998, 8388601, F9, 2, 13) (dual of [(8388601, 2), 16777104, 14]-NRT-code), using
- net defined by OOA [i] based on linear OOA(998, 2796200, F9, 14, 13) (dual of [(2796200, 14), 39146702, 14]-NRT-code), using
- digital (7, 11, 3240)-net over F9, using
(137, 150, large)-Net over F9 — Digital
Digital (137, 150, large)-net over F9, using
- 95 times duplication [i] based on digital (132, 145, large)-net over F9, using
- t-expansion [i] based on digital (124, 145, large)-net over F9, using
(137, 150, large)-Net in Base 9 — Upper bound on s
There is no (137, 150, large)-net in base 9, because
- 11 times m-reduction [i] would yield (137, 139, large)-net in base 9, but