Holographic dark energy at the Ricci scale
Holographic Dark Energy Model with Hubble Horizon as an IR Cut-off
Holographic dark energy models: A comparison from the latest observational data
Holographic Dark Energy with Curvature
Holographic Dark Energy: its Observational Constraints and Theoretical Features
Holographic Dark Information Energy
Holographic Dynamics as Way to Solve the Basic Cosmological Problems
Holographic Ricci dark energy: Current observational constraints, quintom feature, and the reconstruction of scalar-field dark energy
Holographic Ricci dark energy: Interacting model and cosmological constraints
Horava-Lifshitz cosmology with generalized Chaplygin gas
Horizon-preserving dualities and perturbations in non-canonical scalar field cosmologies
Host galaxies of luminous quasars: population synthesis of optical off-axis spectra
Host Galaxies of Luminous Type 2 Quasars at z ~ 0.5
Host Galaxies of z=4 Quasars
Host galaxy colour gradients and accretion disc obscuration in AEGIS z~1 X-ray-selected active galactic nuclei
Host galaxy morphologies of X-ray selected AGN: assessing the significance of different black hole fueling mechanisms to the accretion density of the Universe at z~1
Host Galaxy Morphology and the AGN Unified Model
Host Galaxy Properties of the Swift BAT Ultra Hard X-ray Selected AGN
Host galaxy-active galactic nucleus alignments in the SDSS-DR7
Hot and Cold Galactic Gas in the NGC 2563 Galaxy Group