8 citations · 26 across the 10 of their papers we have counts for
11 papers
Forecasting cosmological constraints from the nonlinear halo density field with Zel'dovich-inspired transform
Yu Zhou, Yun Wang, Haozhe Zhang +4
The Zel'dovich-inspired (ZI) transform is a local nonlinear transform of the density field that can Gaussianize the late-time matter field and recover information from higher-order…
Recovering Subtle Cosmological Information with the Zel'dovich-inspired Transform
Yun Wang, Hao-Ran Yu, Yu Yu +1
Extracting cosmological information from nonlinear and non-Gaussian large-scale structure remains a major challenge. We introduce the Zel'dovich-inspired (ZI) transform, a simple o…
CWTHF: Subhalo Identification with Continuous Wavelet Transform
Minxing Li, Yun Wang, Ping He
With advances in cosmology and computer science, cosmological simulations now resolve structures in increasingly fine detail. As key tracers of hierarchical structure formation, su…
Precision calculation of the EFT likelihood with primordial non-Gaussianities
Ji-Yuan Ke, Yun Wang, Ping He
We perform a precision calculation of the effective field theory (EFT) conditional likelihood for large-scale structure (LSS) using the saddle-point expansion method in the presenc…
Calculating the EFT likelihood via saddle-point expansion
Ji-Yuan Ke, Yun Wang, Ping He
In this paper, we extend the functional approach for calculating the EFT likelihood by applying the saddle-point expansion. We demonstrate that, after suitable reformulation, the l…
The dynamical and thermodynamic effects of turbulence on the cosmic baryonic fluid
Yun Wang, Minxing Li, Ping He
Both simulations and observations indicate that the so-called missing baryons reside in the intergalactic medium known as the warm-hot intergalactic medium (WHIM). In this study we…
Capturing primordial non-Gaussian signatures in the late Universe by multi-scale extrema of the cosmic log-density field
Yun Wang, Ping He
We construct two new summary statistics, the scale-dependent peak height function (scale-PKHF) and the scale-dependent valley depth function (scale-VLYDF) of matter density, and fo…
Turbulence, Thermal Pressure, and Their Dynamical Effects on Cosmic Baryonic Fluid
Yun Wang, Ping He
We employ the IllustrisTNG simulation data to investigate the turbulent and thermal motions of the cosmic baryonic fluid. With continuous wavelet transform techniques, we define th…
Identifying Halos in Cosmological Simulations with Continuous Wavelet Analysis: The 2D Case
Minxing Li, Yun Wang, Ping He
Continuous wavelet analysis is gaining popularity in science and engineering for its ability to analyze data across spatial and scale domains simultaneously. In this study, we intr…
Turbulence revealed by wavelet transform: power spectrum and intermittency for the velocity field of the cosmic baryonic fluid
Yun Wang, Ping He
We use continuous wavelet transform techniques to construct the global and environment-dependent wavelet statistics, such as energy spectrum and kurtosis, to study the fluctuation…
How do baryonic effects on the cosmic matter distribution vary with scale and local density environment?
Yun Wang, Ping He
In this study, we investigate how the baryonic effects vary with scale and local density environment mainly by utilizing a novel statistic, the environment-dependent wavelet power…