Unifying Einstein and Palatini gravities
Unimodular bimode gravity and the coherent scalar-graviton field as galaxy dark matter
Unimodular conformal and projective relativity
Unimodular Gravity and Averaging
Unimodular Loop Quantum Cosmology
Unimodular metagravity vs. General Relativity with a scalar field
Unimodular relativity and cosmological constant
Unimodular relativity and cosmological constant : Comments
Unimodular Relativity and the Dark Matter Problem
Unique characterization of the Bel-Robinson tensor
Unique continuation for the vacuum Einstein equations
Unique determination of an inner product by adjointness relations in the algebra of quantum observables
Unique factor ordering in the continuum limit of LQC
Unique family of consistent histories in the Caldeira-Leggett model
Unique Fock quantization of scalar cosmological perturbations
Uniqueness and Non-uniqueness in the Einstein Constraints
Uniqueness and Self-Conjugacy of Dirac Hamiltonians in arbitrary Gravitational Fields
Uniqueness of collinear solutions for the relativistic three-body problem
Uniqueness of de Sitter space
Uniqueness of diffeomorphism invariant states on holonomy-flux algebras