e***t
发帖数: 14386 | 1 Is there a general method to identify?thx |
p********e
发帖数: 16048 | 2 y
Is there a general method to identify?thx
【在 e***t 的大作中提到】
: Is there a general method to identify?thx
|
e***t
发帖数: 14386 | 3 any hint?
【在 p********e 的大作中提到】
: y
:
: Is there a general method to identify?thx
|
S******w
发帖数: 195 | 4 Z[sqrt(3)] is the ring of algebraic integers in the algebraic number field Q[sqrt(3)]. Such a ring is PID if and
only if it is UFD, if and only if its class group is trivial. And Z[sqrt(3)] satisfies this condition. You can find the
proof in any fundamental book on algebraic number theory.
【在 e***t 的大作中提到】
: Is there a general method to identify?thx
|
