Tomoaki Ishiyama

Tomoaki Ishiyama

Chiba University

H-index: 23

Asia-Japan

About Tomoaki Ishiyama

Tomoaki Ishiyama, With an exceptional h-index of 23 and a recent h-index of 18 (since 2020), a distinguished researcher at Chiba University, specializes in the field of Astrophysics, Computational Astrophysics, Cosmology.

His recent articles reflect a diverse array of research interests and contributions to the field:

The Uchuu–SDSS galaxy light-cones: a clustering, redshift space distortion and baryonic acoustic oscillation study

The correlation function and detection of baryon acoustic oscillation peak from the spectroscopic SDSS-GalWCat galaxy cluster catalogue

Optimizing the gravitational tree algorithm for many-core processors

The Uchuu-universe machine data set: galaxies in and around clusters

Constraining Cosmological Parameters Using the Cluster Mass–Richness Relation

ΛCDM halo substructure properties revealed with high-resolution and large-volume cosmological simulations

Dark Matter Halo Properties of the Galactic Dwarf Satellites: Implication for Chemo-dynamical Evolution of the Satellites and a Challenge to Lambda Cold Dark Matter

Performance Evaluation of Parallel Sortings on the Supercomputer Fugaku

Tomoaki Ishiyama Information

University

Position

___

Citations(all)

1869

Citations(since 2020)

1147

Cited By

1123

hIndex(all)

23

hIndex(since 2020)

18

i10Index(all)

33

i10Index(since 2020)

27

Email

University Profile Page

Chiba University

Google Scholar

View Google Scholar Profile

Tomoaki Ishiyama Skills & Research Interests

Astrophysics

Computational Astrophysics

Cosmology

Top articles of Tomoaki Ishiyama

Title

Journal

Author(s)

Publication Date

The Uchuu–SDSS galaxy light-cones: a clustering, redshift space distortion and baryonic acoustic oscillation study

Monthly Notices of the Royal Astronomical Society

CA Dong-Páez

A Smith

AO Szewciw

J Ereza

MH Abdullah

...

2024/3

The correlation function and detection of baryon acoustic oscillation peak from the spectroscopic SDSS-GalWCat galaxy cluster catalogue

Monthly Notices of the Royal Astronomical Society: Letters

Mohamed H Abdullah

Anatoly Klypin

Francisco Prada

Gillian Wilson

Tomoaki Ishiyama

...

2024/3

Optimizing the gravitational tree algorithm for many-core processors

Monthly Notices of the Royal Astronomical Society

Tomoyuki Tokuue

Tomoaki Ishiyama

2024/2

The Uchuu-universe machine data set: galaxies in and around clusters

Monthly Notices of the Royal Astronomical Society

Han Aung

Daisuke Nagai

Anatoly Klypin

Peter Behroozi

Mohamed H Abdullah

...

2023/2

Constraining Cosmological Parameters Using the Cluster Mass–Richness Relation

The Astrophysical Journal

Mohamed H Abdullah

Gillian Wilson

Anatoly Klypin

Tomoaki Ishiyama

2023/9/13

ΛCDM halo substructure properties revealed with high-resolution and large-volume cosmological simulations

Monthly Notices of the Royal Astronomical Society

Ángeles Moliné

Miguel A Sánchez-Conde

Alejandra Aguirre-Santaella

Tomoaki Ishiyama

Francisco Prada

...

2023/1

Dark Matter Halo Properties of the Galactic Dwarf Satellites: Implication for Chemo-dynamical Evolution of the Satellites and a Challenge to Lambda Cold Dark Matter

The Astrophysical Journal

Kohei Hayashi

Yutaka Hirai

Masashi Chiba

Tomoaki Ishiyama

2023/8/17

Performance Evaluation of Parallel Sortings on the Supercomputer Fugaku

Journal of Information Processing

Tomoyuki Tokuue

Tomoaki Ishiyama

2023/8/15

Confirmation of the standard cosmological model from red massive galaxies Myr after the Big Bang

arXiv preprint arXiv:2304.11911

Francisco Prada

Peter Behroozi

Tomoaki Ishiyama

Anatoly Klypin

Enrique Pérez

2023/4/24

The Uchuu-GLAM BOSS and eBOSS LRG lightcones: Exploring clustering and covariance errors

arXiv preprint arXiv:2311.14456

Julia Ereza

Francisco Prada

Anatoly Klypin

Tomoaki Ishiyama

Alex Smith

...

2023/11/24

CONCERTO: Simulating the CO,[CII], and [CI] line emission of galaxies in a 117 deg2 field and the impact of field-to-field variance

Astronomy & Astrophysics

A Gkogkou

M Béthermin

G Lagache

M Van Cuyck

E Jullo

...

2023/2/1

Uchuu–ν2GC galaxies and AGN: cosmic variance forecasts of high-redshift AGN for JWST, Euclid, and LSST

Monthly Notices of the Royal Astronomical Society

Taira Oogi

Tomoaki Ishiyama

Francisco Prada

Manodeep Sinha

Darren Croton

...

2023/11

Semi-analytical frameworks for subhaloes from the smallest to the largest scale

Monthly Notices of the Royal Astronomical Society

Nagisa Hiroshima

Shin’ichiro Ando

Tomoaki Ishiyama

2022/10/27

Constraining self-interacting dark matter with dwarf spheroidal galaxies and high-resolution cosmological -body simulations

Physical Review D

Toshihiro Ebisu

Tomoaki Ishiyama

Kohei Hayashi

2022/1/14

High Performance Gravitational N-body Simulations on Supercomputer Fugaku

Tomoaki Ishiyama

Kohji Yoshikawa

Ataru Tanikawa

2022/1/7

The Uchuu simulations: Data Release 1 and dark matter halo concentrations

Monthly Notices of the Royal Astronomical Society

Tomoaki Ishiyama

Francisco Prada

Anatoly A Klypin

Manodeep Sinha

R Benton Metcalf

...

2021/9

Virial Halo Mass Function in the Planck Cosmology

The Astrophysical Journal

Masato Shirasaki

Tomoaki Ishiyama

Shin’ichiro Ando

2021/11/23

The impact of filamentary accretion of subhaloes on the shape and orientation of haloes

Monthly Notices of the Royal Astronomical Society

Yu Morinaga

Tomoaki Ishiyama

2020/6

Quantifying the Effect of Field Variance on the Hα Luminosity Function with the New Numerical Galaxy Catalog (ν 2GC)

The Astrophysical Journal

Kazuyuki Ogura

Masahiro Nagashima

Rhythm Shimakawa

Masao Hayashi

Masakazu AR Kobayashi

...

2020/5/19

Diversity of dark matter density profiles in the Galactic dwarf spheroidal satellites

The Astrophysical Journal

Kohei Hayashi

Masashi Chiba

Tomoaki Ishiyama

2020/11/20

See List of Professors in Tomoaki Ishiyama University(Chiba University)