Feuille d`exercices

m= 101100010100101
π:b1b2b3b47→ b2b3b4b1.
m
m
m r = 3
n= 4
g
(g(1) = 14, g(2) = 17, ...)
k Ek(Ek(m)) = m
C16,i+1 i+ 1 C16
C1,i i C1
g
i i + 1 g K1=K16
C1,i =C1,i+1
C2,i−1=C1,i
C1
D1

E n pn(k)k
E E
pn(k)
1−1−1
n1−2 n· · · 1−k−1 n= 1 −n!
(n−k)!nk
e−x
pn(k)>1−e
−k(k−1)
2n
pn(k)k n
n
50%
50%
YiYj
z0zn=azn−1m b = 0
ϕ(m)z0m a
m
X4+X+ 1 (1,0,0,1)