Group averaging in the (p,q) oscillator representation of SL(2,R)
Group Averaging of massless scalar fields in 1+1 de Sitter
Group averaging, positive definiteness and superselection sectors
Group classification of the Sachs equations for a radiating axisymmetric, non-rotating, vacuum space-time
Group field cosmology: a cosmological field theory of quantum geometry
Group field theory and simplicial quantum gravity
Group field theory as the microscopic description of the quantum spacetime fluid: a new perspective on the continuum in quantum gravity
Group field theory formulation of 3d quantum gravity coupled to matter fields
Group Integral Techniques for the Spinfoam Graviton Propagator
Group of boost and rotation transformations with two observer-independent scales
Group quantization of parametrized systems I. Time levels
Group quantization of parametrized systems II. Pasting Hilbert spaces
Group structure of the solution manifold of the hyperbolic Ernst equation --- general study of the subject and detailed elaboration of mathematical proofs
Group theoretical derivation of Liouville action for Regge surfaces
Group Theoretical Examination of the Relativistic Wave Equations on Curved Spaces. I.Basic Principles
Group Theoretical Examination of the Relativistic Wave Equations on Curved Spaces. II. De Sitter and Anti-de Sitter Spaces
Group Theoretical Examination of the Relativistic Wave Equations on Curved Spaces. III. Real reducible spaces
Group Theoretical Quantization of a Phase Space S^1 x R^+ and the Mass Spectrum of Schwarzschild Black Holes in D Space-Time Dimensions
Group theoretical Quantization of Isotropic Loop Cosmology
Group Theoretical Quantization of Schwarzschild and Taub-NUT