Re: Efficient way to store an isomorphism?


anvera wrote:
> This is only a commentary, and this requires a little algebra to be
> understood.
> If you are working with finite sets you can store the image of the
> generators of some subgroups of A (I am supposing that you are working
> with groups), and then, if required, reconstruct the image of the other
> elements, exploiting the fact that you have an isomorphism (actually,
> this also works for a morphism).
>
> Good luck

Hi

Thank you for your reply. However, I don't completely follow it. Would
you be able to elaborate slightly? I'd appreciate it,

Thanks,

Edsko

.

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