• Next message: Matt: "Re: installation on mac os"
• Previous message: ADITYA: "gra_quantum@yahoo.co.in"
• Maybe in reply to: Nixom: "trace problem"
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
• Mail actions: [ respond to this message ] [ mail a new topic ]

Hi,
there is no bug. You use an incorrect input syntax.
You need to use:
Tr[GA[a].GA[c].GA[b].GA[d]]
since only the dot gives you a non-commutative multiplication.

Please see als:
http://www.feyncalc.org/FeynCalcBook/Tr/

Regards,
Rolf Mertig
http://www.gluonvision.com

• Next message: Matt: "Re: installation on mac os"
• Previous message: ADITYA: "gra_quantum@yahoo.co.in"
• Maybe in reply to: Nixom: "trace problem"
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
• Mail actions: [ respond to this message ] [ mail a new topic ]

This archive was generated by hypermail 2b29 : 09/04/20-12:55:05 AM Z CEST