Classical general relativity is recast as a non-conservative action-dependent field theory by formulating its Hilbert action in terms of conformal spacetime geometry supplemented by a dissipative sector.
A geometrical approach to classical field theories: a constraint algorithm for singular theories
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Classical General Relativity as a Non-Conservative Action-Dependent Field Theory
Classical general relativity is recast as a non-conservative action-dependent field theory by formulating its Hilbert action in terms of conformal spacetime geometry supplemented by a dissipative sector.
- Gauge Symmetries, Contact Reduction, and Singular Field Theories