K-Causal Structure of Space-Time in General Relativity

K-causality and degenerate spacetimes

K-causality coincides with stable causality

K-essence Explains a Lorentz Violation Experiment

k-Essence, Avoidance of the Weinberg's Cosmological Constant No-Go Theorem and Other Dark Energy Effects of Two Measures Field Theory

K-Inflation with a Dark Energy Coupling

K-Slicing the Reissner-Nordstrom Spacetime: Some New Observations

K0 meson physics in the gravitation field: a constraint on the equivalence principle

Kadath: a spectral solver for theoretical physics

Kalb--Ramond dipole solution in low-energy bosonic string theory

Kaluza -- Klein Quantum Cosmology with Primordial Negative Cosmological Constant

Kaluza's theory in generalized coordinates

Kaluza-Klein and Gauss-Bonnet cosmic strings

Kaluza-Klein anisotropy in the CMB

Kaluza-Klein brane cosmology with a bulk scalar field

Kaluza-Klein Cosmology With Modified Holographic Dark Energy

Kaluza-Klein Formalism of General Spacetimes

Kaluza-Klein gravitons are negative energy dust in brane cosmology

Kaluza-Klein Gravity

Kaluza-Klein gravity in the context of modern embedding theories of spacetime