Re: [sage-support] Morphisms between free groups.

2022-02-06 Thread 'Michel VAN DEN BERGH' via sage-support
Now it seems "subs" does work. I must have done something wrong. Sorry for the noise. On Friday, February 4, 2022 at 3:55:19 PM UTC+1 dim...@gmail.com wrote: > > > On Fri, 4 Feb 2022, 11:02 David Joyner, wrote: > >> On Fri, Feb 4, 2022 at 4:40 AM 'Michel VAN DEN BERGH' via sage-support >>

Re: [sage-support] Morphisms between free groups.

2022-02-04 Thread Dima Pasechnik
On Fri, 4 Feb 2022, 11:02 David Joyner, wrote: > On Fri, Feb 4, 2022 at 4:40 AM 'Michel VAN DEN BERGH' via sage-support > wrote: > > > > Dear all, > > > > I need to do something which I thought would be quite simple. I have > free groups > > F, G with generators x1,x2,x3,x4 and x,y respectively

Re: [sage-support] Morphisms between free groups.

2022-02-04 Thread David Joyner
On Fri, Feb 4, 2022 at 4:40 AM 'Michel VAN DEN BERGH' via sage-support wrote: > > Dear all, > > I need to do something which I thought would be quite simple. I have free > groups > F, G with generators x1,x2,x3,x4 and x,y respectively and I need to compute > the image of an element under the

[sage-support] Morphisms between free groups.

2022-02-04 Thread 'Michel VAN DEN BERGH' via sage-support
Dear all, I need to do something which I thought would be quite simple. I have free groups F, G with generators x1,x2,x3,x4 and x,y respectively and I need to compute the image of an element under the homomorphism F-->G:x1->x, x2->y, x3->x, x4->y. I could not find anything in the manual about