計劃進修PhD/Research討論區(22) Research is truth seeking
Adam_Smith
11 Like
2 Dislike
惡德辯護士K
2017-06-08 01:55:26
忒修斯之船
2017-06-08 01:55:46
忒修斯之船
2017-06-08 01:57:17
忒修斯之船
2017-06-08 02:02:01
忒修斯之船
2017-06-08 02:03:49
忒修斯之船
2017-06-08 02:06:43
惡德辯護士K
2017-06-08 02:07:46
忒修斯之船
2017-06-08 02:08:50
忒修斯之船
2017-06-08 02:09:04
我會咁樣formulate個題目
given n, consider A=(Z_2)^n
for (x1,...,xn), define s(x1,...,xn)=(xn,x1,...,x_{n-1})
(其實s只係permutation matrix)
question: for which n, x+s(x)+s^2(x)+...=0 for all x?
諗到依度都係決定去訓
忒修斯之船
2017-06-08 02:13:13
忒修斯之船
2017-06-08 02:13:28
惡德辯護士K
2017-06-08 02:18:31
忒修斯之船
2017-06-08 02:24:13