計劃進修PhD/Research討論區(22) Research is truth seeking

惡德辯護士K 2017-6-8 01:55:26

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忒修斯之船 2017-6-8 01:55:46

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忒修斯之船 2017-6-8 01:57:17

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數學白痴 2017-6-8 01:59:30

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忒修斯之船 2017-6-8 02:02:01

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忒修斯之船 2017-6-8 02:03:49

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忒修斯之船 2017-6-8 02:06:43

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惡德辯護士K 2017-6-8 02:07:46

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忒修斯之船 2017-6-8 02:08:50

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忒修斯之船 2017-6-8 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
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數學白痴 2017-6-8 02:10:42

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忒修斯之船 2017-6-8 02:13:13

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忒修斯之船 2017-6-8 02:13:28

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數學白痴 2017-6-8 02:17:17

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惡德辯護士K 2017-6-8 02:18:31

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數學白痴 2017-6-8 02:19:32

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忒修斯之船 2017-6-8 02:24:13

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