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Vector Fields, Flows and Lie Groups of Diffeomorphisms
\sigma_{c+t} (x) = \sigma_c (\sigma_t (x)) \equiv \sigma_c \circ evolution equation implies at once the Gell-Mann-Low functional equation. The latter appears therefore as a trivial consequence of the existence of a vector field on the action's space of renormalized QFT.
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| Lenguaje: | eng |
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1999
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| Acceso en línea: | https://dx.doi.org/10.1007/s100520000375 http://cds.cern.ch/record/412222 |