Variational field theory from the point of view of direct methods
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DOI: 10.1134/s0037446617050160
Abstract: In this paper we show that the classical field theory ofWeierstrass–Hilbert can be strengthen on applying direct methods. Concretely, given a field of extremals and an extremal that is an element of the field, we… read more here.
Keywords: field; field theory; theory point; direct methods ... See more keywords