On the Hamiltonian Formulation of Class B Bianchi Cosmological Models
The application of the divergence theorem in a non-coordinated basis is shown to lead to a corrected variational principle for Class B Bianchi cosmological models. This variational principle is used to construct a Hamiltonian formulation for diagonal and symmetric vacuum Class B models. [Note: This is an unpublished paper from 1984 that might be useful to anyone interested in Class B Bianchi models.]
gr-qc↗