208 citations · 759 across the 20 of their papers we have counts for
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Fast and accurate differentiable code of the galaxy power spectrum based on Eulerian and Lagrangian one-loop perturbation theories
Yosuke Kobayashi, Kazuyuki Akitsu
This paper presents a JAX-Python implementation of the galaxy power spectrum up to one-loop order in the effective field theory of large-scale structure, based on both the Eulerian…
Dark Quest II: A Wide-Coverage Neural Network Emulator of the Nonlinear Matter Power Spectrum Across Extended Cosmologies
Satoshi Tanaka, Takahiro Nishimichi, Yosuke Kobayashi
\textsc{DarkEmulator2} is a neural network emulator of the nonlinear matter power spectrum in a nine-dimensional parameter space, developed as the emulato…
A Parameter-Masked Mock Data Challenge for Beyond-Two-Point Galaxy Clustering Statistics
2pt Collaboration, Elisabeth Krause, Yosuke Kobayashi +23
The last few years have seen the emergence of a wide array of novel techniques for analyzing high-precision data from upcoming galaxy surveys, which aim to extend the statistical a…
Hyper Suprime-Cam Year 3 Results: Cosmology from Galaxy Clustering and Weak Lensing with HSC and SDSS using the Emulator Based Halo Model
Hironao Miyatake, Sunao Sugiyama, Masahiro Takada +31
We present cosmology results from a blinded joint analysis of cosmic shear, , galaxy-galaxy weak lensing, , and projected galaxy clustering, $w_{\rm p}…
Hyper Suprime-Cam Year 3 Results: Cosmology from Galaxy Clustering and Weak Lensing with HSC and SDSS using the Minimal Bias Model
Sunao Sugiyama, Hironao Miyatake, Surhud More +27
We present cosmological parameter constraints from a blind joint analysis of three two-point correlation functions measured from the Year 3 Hyper Suprime-Cam (HSC-Y3) imaging data,…
Hyper Suprime-Cam Year 3 Results: Measurements of Clustering of SDSS-BOSS Galaxies, Galaxy-Galaxy Lensing and Cosmic Shear
Surhud More, Sunao Sugiyama, Hironao Miyatake +31
We use the Sloan Digital Sky Survey (SDSS) BOSS galaxies and their overlap with approximately 416 sq. degree of deep -band imaging from the Subaru Hyper Suprime-Cam Survey (…
Cosmological gravity probes: connecting recent theoretical developments to forthcoming observations
Shun Arai, Katsuki Aoki, Yuji Chinone +20
Since the discovery of the accelerated expansion of the present Universe, significant theoretical developments have been made in the area of modified gravity. In the meantime, cosm…
Galaxy clustering from the bottom up: A Streaming Model emulator I
Carolina Cuesta-Lazaro, Takahiro Nishimichi, Yosuke Kobayashi +9
In this series of papers, we present a simulation-based model for the non-linear clustering of galaxies based on separate modelling of clustering in real space and velocity statist…
Cluster cosmology with anisotropic boosts: Validation of a novel forward modeling analysis and application on SDSS redMaPPer clusters
Youngsoo Park, Tomomi Sunayama, Masahiro Takada +5
We present a novel analysis for cluster cosmology that fully forward models the abundances, weak lensing, and the clustering of galaxy clusters. Our analysis notably includes an em…
Cosmological inference from the emulator based halo model II: Joint analysis of galaxy-galaxy weak lensing and galaxy clustering from HSC-Y1 and SDSS
Hironao Miyatake, Sunao Sugiyama, Masahiro Takada +25
We present high-fidelity cosmology results from a blinded joint analysis of galaxy-galaxy weak lensing () and projected galaxy clustering () measured from the Hype…
HSC Year 1 cosmology results with the minimal bias method: HSCBOSS galaxy-galaxy weak lensing and BOSS galaxy clustering
Sunao Sugiyama, Masahiro Takada, Hironao Miyatake +23
We present cosmological parameter constraints from a blinded joint analysis of galaxy-galaxy weak lensing, , and projected correlation function, , measure…
Full-shape cosmology analysis of SDSS-III BOSS galaxy power spectrum using emulator-based halo model: a determination of
Yosuke Kobayashi, Takahiro Nishimichi, Masahiro Takada +1
We present the results obtained from the full-shape cosmology analysis of the redshift-space power spectra for 4 galaxy samples of the SDSS-III BOSS DR12 galaxy catalog over $0.2 <…
Cosmological inference from emulator based halo model I: Validation tests with HSC and SDSS mock catalogs
Hironao Miyatake, Yosuke Kobayashi, Masahiro Takada +7
We present validation tests of emulator-based halo model method for cosmological parameter inference, assuming hypothetical measurements of the projected correlation function of ga…
Validating a minimal galaxy bias method for cosmological parameter inference using HSC-SDSS mock catalogs
Sunao Sugiyama, Masahiro Takada, Yosuke Kobayashi +4
We assess the performance of a perturbation theory inspired method for inferring cosmological parameters from the joint measurements of galaxy-galaxy weak lensing () and the pr…
Accurate emulator for the redshift-space power spectrum of dark matter halos and its application to galaxy power spectrum
Yosuke Kobayashi, Takahiro Nishimichi, Masahiro Takada +2
An accurate theoretical template of the redshift-space galaxy power spectrum, if applicable out to nonlinear scales, enables us to extract more stringent and robust constraints on…
Power spectrum of halo intrinsic alignments in simulations
Toshiki Kurita, Masahiro Takada, Takahiro Nishimichi +3
We use a suite of -body simulations to study intrinsic alignments (IA) of halo shapes with the surrounding large-scale structure in the CDM model. For this purpose, we develo…
The impact of projection effects on cluster observables: stacked lensing and projected clustering
Tomomi Sunayama, Youngsoo Park, Masahiro Takada +6
An optical cluster finder inevitably suffers from projection effects, where it misidentifies a superposition of galaxies in multiple halos along the line-of-sight as a single clust…
Fitting the nonlinear matter bispectrum by the Halofit approach
Ryuichi Takahashi, Takahiro Nishimichi, Toshiya Namikawa +5
We provide a new fitting formula of the matter bispectrum in the nonlinear regime calibrated by high-resolution cosmological -body simulations of cold dark matter (CDM,…
Cosmological information content in redshift-space power spectrum of SDSS-like galaxies in the quasi-nonlinear regime up to Mpc
Yosuke Kobayashi, Takahiro Nishimichi, Masahiro Takada +1
Clustering properties and peculiar velocities of halos in large-scale structure carry a wealth of cosmological information over a wide range of scales from linear to nonlinear scal…
Dark Quest. I. Fast and Accurate Emulation of Halo Clustering Statistics and Its Application to Galaxy Clustering
Takahiro Nishimichi, Masahiro Takada, Ryuichi Takahashi +8
We perform an ensemble of -body simulations with particles for 101 flat CDM cosmological models sampled based on a maximin-distance Sliced Latin Hypercube Design. By…