On 2020-03-08, David Joyner <wdjoy...@gmail.com> wrote: > I agree with Michael O, a permutation is a bijection, > so the image is the domain is the codomain.
+1 > 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? Isn't that called the "support" of the permutation? Best regards, Simon -- 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/r42j8j%24387h%241%40ciao.gmane.io.
