Re: multiplicative group question
From: Kristian Gjøsteen (kristiag+news_at_item.ntnu.no)
Date: Mon, 4 Jul 2005 07:05:45 +0000 (UTC)
David Wagner <firstname.lastname@example.org> wrote:
>Kristian Gjøsteen wrote:
>>Isn't the following a trivial example? Hom(Z_n*,Z_n*) is a ring, [..]
Oops, I meant the subring containing the maps x -> x^a for some
>How do you represent elements of Hom(Z_n*,Z_n*) efficiently?
When you perform group operations on the maps, the representation grows.
That's what I was missing. Sorry.
-- Kristian Gjøsteen