Let denote the group of homomorphisms between and . Show that .
The only thing I have is that since we're dealing with a homomorphism that divides , but I don't see how that fact gets used to prove the above statement.
Let denote the group of homomorphisms between and . Show that .
The only thing I have is that since we're dealing with a homomorphism that divides , but I don't see how that fact gets used to prove the above statement.
for an suppose then for all show that is well-defined if and only if where
Last edited by NonCommAlg; September 9th 2010 at 04:40 PM.