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Cosmography: Supernovae Union2, Baryon Acoustic Oscillation, Observational Hubble Data and Gamma Ray Bursts
Lixin Xu, Yuting Wang
In this paper, a parametrization describing the kinematical state of the universe via cosmographic approach is considered, where the minimum input is the assumption of the cosmolog…
Cosmic Constraint to DGP Brane Model: Geometrical and Dynamical Perspectives
Lixin Xu, Yuting Wang
In this paper, the Dvali-Gabadadze-Porrati (DGP) brane model is confronted by current cosmic observational data sets from geometrical and dynamical perspectives. On the geometrical…
Testing the Consistence of Gamma Ray Burst Data-set and Supernovae Union2
Lixin Xu, Yuting Wang
In this paper, we test the consistency of Gamma Ray Bursts (GRBs) Data-set and Supernovae Union2 (SNU2) via the so-called {\it multi-dimensional consistency test} under the assumpt…
Observational Constraints to Ricci Dark Energy Model by Using: SN, BAO, OHD, fgas Data Sets
Lixin Xu, Yuting Wang
In this paper, we perform a global constraint on the Ricci dark energy model with both the flat case and the non-flat case, using the Markov Chain Monte Carlo (MCMC) method and the…
Current Observational Constraints to Holographic Dark Energy Model with New Infrared cut-off via Markov Chain Monte Carlo Method
Yuting Wang, Lixin Xu
In this paper, the holographic dark energy model with new infrared (IR) cut-off for both the flat case and the non-flat case are confronted with the combined constraints of current…
Reconstructing Dark Energy Potentials From Parameterized Deceleration Parameters
Yuting Wang, Lixin Xu, Jianbo Lu +1
In this paper, the properties of dark energy are investigated according to the parameterized deceleration parameter , which is used to describe the extent of the accelerating…