A
·
B
·
C
·
D
·
E
·
F
·
G
·
H
·
I
·
J
·
K
·
L
·
M
·
N
·
O
·
P
·
Q
·
R
·
S
·
T
·
U
·
V
·
W
·
X
·
Y
·
Z
·
·

Directory Results for This paper contains an elementary proof of the fact that if A and B are n-square matrices over a principal ideal domain R with relatively prime determinants, then S(AB)=S(A)S(B) where S(A) is the Smith normal of A. to This paper contains five questions