2 papers
astro-ph.CO2018
What is parameterized diagnostics telling us in light of recent observations?
Jing-Zhao Qi, Shuo Cao, Marek Biesiada +4
In this paper, we propose a new parametrization of diagnostics and show how the most recent and significantly improved observations concerning the and SN Ia measurem…
astro-ph.CO2018
The distance sum rule from strong lensing systems and quasars - test of cosmic curvature and beyond
Jing-Zhao Qi, Shuo Cao, Sixuan Zhang +3
Testing the distance-sum-rule in strong lensing systems provides an interesting method to determine the curvature parameter using more local objects. In this paper, we apply…