95 citations · 646 across the 32 of their papers we have counts for
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gr-qc2008★ 4 cited
Towards Canonical Quantum Gravity for G1 Geometries in 2+1 Dimensions with a Lambda--Term
T. Christodoulakis, G. Doulis, Petros A Terzis +4
The canonical analysis and subsequent quantization of the (2+1)-dimensional action of pure gravity plus a cosmological constant term is considered, under the assumption of the exis…
gr-qc2008★ 20 cited
The General Solution of Bianchi Type Vacuum Cosmology
Petros A. Terzis, T. Cristodoulakis
The theory of symmetries of systems of coupled, ordinary differential equations (ODE) is used to develop a concise algorithm in order to obtain the entire space of solutions to vac…