On Sun, Mar 8, 2020 at 4:58 AM Samuel Lelièvre <samuel.lelie...@gmail.com> wrote:
> Dear sage-combinat-devel, > > Please share any insight on this question > about the image of a permutation: > > https://groups.google.com/d/msg/sage-devel/kk1C8LrSOTU/8W1r7LIPAgAJ > > I agree with Michael O, a permutation is a bijection, so the image is the domain is the codomain. For a patch to "define the image of a permutation to be the set of elements that it does not fix" is a mistake, IMHO. Maybe the set computed could be called "moved_points" or something like that? > Kind regards, > Samuel Lelièvre > > -- > You received this message because you are subscribed to the Google Groups > "sage-combinat-devel" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sage-combinat-devel+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sage-combinat-devel/CAEcArF1rkKgNxh5AfZJzLcQj0FeYSS7j6tHSVHvjJtRMvzgYDg%40mail.gmail.com > . > -- You received this message because you are subscribed to the Google Groups "sage-combinat-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-combinat-devel+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-combinat-devel/CAEQuuAU8R70Z6D_%2B0PjF43opdo6YiEh%2BvK7yXoTEmkUdbS1GQQ%40mail.gmail.com.
