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@feyncalc.org>
> Reply-To: feyncalc@feyncalc.org
> To: feyncalc@feyncalc.org
> 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
>
>
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