Name: Karima (email_not_shown)
Date: 01/06/10-04:30:20 PM Z


The propagator of type external for the Fermion (in QED) is given by the following expression:
AnalyticalPropagator[External][ s F[i, mom] ] == NonCommutative
[DiracSpinor[-mom, Mass[F[i]], Sequence@@ @Drop[{i}, 1]] ],

Would you please just tell me what does it mean this:
Sequence@@ @Drop[{i}, 1]]

Thank you in advance

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