Frames of reference in spaces with affine connections and metrics
Frankenstein's Glue: Transition functions for approximate solutions
Free and constrained symplectic integrators for numerical general relativity
Free Boundary Poisson Bracket Algebra in Ashtekar's Formalism
Free Energy and Entropy for Semi-classical Black Holes in the Canonical Ensemble
Free Energy of Gravitating Fermions
Free evolution of nonlinear scalar field collapse in double-null coordinates
Free Fall of a Cylindrical Mass Electrically Charged Bodies
Free Field Realization of Cylindrically Symmetric Einstein Gravity
Free Fields for Chiral 2D Dilaton Gravity
Free massive particles with total energy E < mc^2 in curved spacetimes
Free particle wavefunction in light of the minimum-length deformed quantum mechanics and some of its phenomenological implications
Free Quantum Fields on the Poincare' Group
Free vacuum for loop quantum gravity
Free-Field Realization of D-dimensional Cylindrical Gravitational Waves
Freely falling 2-surfaces and the quasi-local energy
Freely falling observers
Frequencies of f-modes in differentially rotating relativistic stars and secular stability limits
Frequency and surface dependence of the mechanical loss in fused silica
Frequency and Wavelength of Light for Relativistically Rotating Frames