Symmetric and conserved energy-momentum tensors in moving media

Symmetric hyperbolic form of systems of second-order evolution equations subject to constraints

Symmetric hyperbolic system in the Ashtekar formulation

Symmetric Hyperbolic System in the Self-dual Teleparallel Gravity

Symmetric hyperbolic systems for a large class of fields in arbitrary dimension

Symmetric hyperbolic systems for Bianchi equations

Symmetric hyperbolicity and consistent boundary conditions for second-order Einstein equations

Symmetric non-expanding horizons

Symmetric solutions of Einstein-Yang-Mills equations

Symmetric States in Quantum Geometry

Symmetric teleparallel general relativity

Symmetric Teleparallel Gravity: Some exact solutions and spinor couplings

Symmetric vacuum scalar--tensor cosmology

Symmetric Variations of the Metric and Extrema of the Action for Pure Gravity

Symmetries and assisted inflation in the DGP braneworld model

Symmetries and conservation laws in histories-based generalized quantum mechanics

Symmetries and conservation laws in histories-based theories

Symmetries and geodesics in (anti-)de Sitter spacetimes with nonexpanding impulsive waves

Symmetries and observables in topological gravity

Symmetries and pre-metric electromagnetism