Professor, I met a problem when using FC5:
DiracTrace[GA[m].(GA[n].GA + GA[n].GA)]
gives result 0,while
gives non-zero result.
As GA=(1+GA)/2 and GA=(1-GA)/2, I guess it is a bug. The method "tr = TR[Calc[#]]&; " also seems not useful for the problem.
Could you tell what the metter is?
Thank you very much!
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