Name: Ismail Turan Date: 05/31/07-10:02:21 PM Z


Hi George,

if you use ScalarProduct[p,p] instead of p^2 in your replacement rule, it
should work.

Best wishes,
Ismail

On Thu, 31 May 2007, George wrote:

> Date: Thu, 31 May 2007 20:31:14 +0200 (CEST)
> From: George <[noreply_at_HIDDEN-E-MAIL]>
> Reply-To: [feyncalc_at_HIDDEN-E-MAIL]
> To: [feyncalc_at_HIDDEN-E-MAIL]
> Subject: How do I make following substitution
>
> Suppose I have
> GS[p].GS[p]it gives me
> (p_slash)(p_slash), then I take trace
> Tr[%]it gives me
> 4p^2
> Now how can I tell mathematica to treat p^2 as m^2 ???
> just typing %/. p^2->m^2 or similar think i think does not work…
>
> Pls tell me if I am not clear with my question
> Thank you
>
>