[GiNaC-list] question about lorentz_g contract with sy_anti tensor

Feng Feng F.Feng at outlook.com
Sun May 26 12:45:35 CEST 2019

Thanks very much for your so quick reply.

Yes, my mistake,  I actually mean A^{abc}_{c} = A^{abcd} * g_{dc}

So it goes back to my original post, it seems GiNaC will not produce a 0 result.

Thanks again!

Best Regards!


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