222 citations · 1.3k across the 24 of their papers we have counts for
5 papers · 1 filter
Strong Lens Time Delay Challenge: I. Experimental Design
Gregory Dobler, Christopher Fassnacht, Tommaso Treu +5
The time delays between point-like images in gravitational lens systems can be used to measure cosmological parameters. The number of lenses with measured time delays is growing ra…
Principal Component Analysis of Modified Gravity using Weak Lensing and Peculiar Velocity Measurements
Shinsuke Asaba, Chiaki Hikage, Kazuya Koyama +3
We perform a principal component analysis to assess ability of future observations to measure departures from General Relativity in predictions of the Poisson and anisotropy equati…
New Constraints on the Early Expansion History
Alireza Hojjati, Eric V. Linder, Johan Samsing
Cosmic microwave background measurements have pushed to higher resolution, lower noise, and more sky coverage. These data enable a unique test of the early universe's expansion rat…
Robust Strong Lensing Time Delay Estimation
Alireza Hojjati, Alex G. Kim, Eric V. Linder
Strong gravitational lensing of time variable sources such as quasars and supernovae creates observable time delays between the multiple images. Time delays can provide a powerful…
Cosmological constraints on a decomposed Chaplygin gas
Yuting Wang, David Wands, Lixin Xu +2
Any unified dark matter cosmology can be decomposed into dark matter interacting with vacuum energy, without introducing any additional degrees of freedom. We present observational…