TI
Tomoaki Ishiyama
astro-ph.COastro-ph.GAastro-ph.IMastro-ph.SRhep-phastro-ph.EPcs.DCastro-phastro-ph.HEcs.NA
On Valency
published · living versionsW_fhgryxvq·v1 · currentpublished
Introducing the GION Lightcone Simulation Suite for Multi-Wavelength Large-Scale Structure Cosmology
with Ken Osato, Satoshi Tanaka, Hironao Miyatake, Takahiro Nishimichi +1
1 version
Preprints & journals
55 papers in the corpus · 2008–2026Application and Evaluation of the Material Point Method for Low-Velocity Asteroid Collisions Involving Large Deformations2609.32468v1 · Haru Fukuta, Tomoaki Ishiyama, Shu-ichiro Inutsuka2026 · 0 citationsarXiv
Overmassive black holes and little red dots naturally form in simulations.42749911 · Chon, Sunmyon, Hirano, Shingo, Ishiyama, Tomoaki et al.2026 · 1 citationNature. 2026;657(8132):621-625
Pebbles to Gems: Intermediate-mass black holes in the first star clusters2607.03536v1 · Benedetta Mestichelli, Manuel Arca Sedda, Marta Volonteri et al.2026 · 0 citationsarXiv
Galaxies at z > 10: {\Lambda}CDM predicts increased Star Formation Efficiency2604.18683v1 · Francisco Prada, Peter Behroozi, Tomoaki Ishiyama et al.2026 · 0 citationsarXiv
Inferring Halo Mass and Scale Radius of Galaxy Clusters Using Convolutional Neural Networks and Uchuu-UniverseMachine Catalogs2604.15932v1 · Hirobumi Tominaga, Asuka Nakamura, Tomoaki Ishiyama et al.2026 · 0 citationsarXiv
Back to Normal Again: Possible Destinies of JWST overmassive SMBHs and "Little Red Dots" in the View of Shin-Uchuu Simulation2602.14496v1 · Haojie Hu, Hiroto Yanagisawa, Moka Nishigaki et al.2026 · 1 citationarXiv
The Origin of Spin-Alignment of Dark Matter Subhalos2601.02678v2 · Daiki Osafune, Keiichi Wada, Tomoaki Ishiyama et al.2026 · 0 citationsarXiv
A redshift-independent theoretical halo mass function validated with Uchuu simulations2512.05847v2 · Elena Fern'andez-Garc'ia, Juan E. Betancort-Rijo, Francisco Prada et al.2025 · 1 citationarXiv
DESI DR2 reference mocks: clustering results from Uchuu-BGS and LRG2507.01593v2 · E. Fern'andez-Garc'ia, F. Prada, A. Smith et al.2025 · 0 citationsarXiv
Comparison of simulations and semi-analytical model for WDM subhalo mass functions2505.15226v2 · Mizuki Ono, Takashi Okamoto, Shin'ichiro Ando et al.2025 · 0 citationsarXiv
Quantifying the Velocity Anisotropy Profile of Galaxy Clusters Using the Uchuu Cosmological Simulation2504.04575v1 · Mohamed H. Abdullah, Raouf H. Mabrouk, Tomoaki Ishiyama et al.2025 · 3 citationsarXiv
A Semi-analytic Framework of Population III and Subsequent Galaxy Formation on Cosmological N-body Simulations2501.17540v2 · Tomoaki Ishiyama, Shingo Hirano2025 · 2 citationsarXiv
MPI-Rockstar: a Hybrid MPI and OpenMP Parallel Implementation of the Rockstar Halo finder2412.18629v3 · Tomoyuki Tokuue, Tomoaki Ishiyama, Ken Osato et al.2024 · 0 citationsarXiv
Baryon Pasting the Uchuu Lightcone Simulation2411.00108v2 · Erwin T. Lau, Daisuke Nagai, Arya Farahi et al.2024 · 6 citationsarXiv
Constraining cosmological parameters using void statistics from the SDSS survey2406.13736v2 · Elena Fern'andez-Garc'ia, Juan E. Betancort-Rijo, Francisco Prada et al.2024 · 6 citationsA&A 695, A19 (2025)
The Correlation Function and Detection of Baryon Acoustic Oscillation Peak from the Spectroscopic SDSS GalWCat Galaxy Cluster Catalogue2312.13055v1 · Mohamed H. Abdullah, Anatoly Klypin, Francisco Prada et al.2023 · 3 citationsarXiv
Optimizing the Gravitational Tree Algorithm for Many-Core Processors2312.06102v2 · Tomoyuki Tokuue, Tomoaki Ishiyama2023 · 1 citationarXiv
The Uchuu-GLAM BOSS and eBOSS LRG lightcones: Exploring clustering and covariance errors2311.14456v2 · Julia Ereza, Francisco Prada, Anatoly Klypin et al.2023 · 12 citationsMonthly Notices of the Royal Astronomical Society, stae1543 (2024)
Performance Evaluation of Parallel Sortings on the Supercomputer Fugaku2305.05245v1 · Tomoyuki Tokuue, Tomoaki Ishiyama2023 · 2 citationsJournal of Information Processing, 2023, 31, 452-458
Confirmation of the standard cosmological model from red massive galaxies Myr after the Big Bang2304.11911v1 · Francisco Prada, Peter Behroozi, Tomoaki Ishiyama et al.2023 · 8 citationsarXiv
CONCERTO: Simulating the CO, [CII], and [CI] line emission of galaxies in a 117 field and the impact of field-to-field variance2212.02235v1 · A. Gkogkou, M. B'ethermin, G. Lagache et al.2022 · 29 citationsarXiv
Constraining Cosmological Parameters using the Cluster Mass-Richness Relation2210.09530v1 · Mohamed H. Abdullah, Gillian Wilson, Anatoly Klypin et al.2022 · 13 citationsApJ 955 26 (2023)
The Uchuu-UniverseMachine dataset: Galaxies in and around Clusters2209.12918v2 · Han Aung, Daisuke Nagai, Anatoly Klypin et al.2022 · 21 citationsarXiv
The Uchuu-SDSS galaxy lightcones: a clustering, RSD and BAO study2208.00540v1 · C. A. Dong-P'aez, A. Smith, A. O. Szewciw et al.2022 · 5 citationsarXiv
Uchuu-GC galaxies and AGN: Cosmic variance forecasts of high-redshift AGN for JWST, Euclid, and LSST2207.14689v3 · Taira Oogi, Tomoaki Ishiyama, Francisco Prada et al.2022 · 1 citationarXiv
Dark matter halo properties of the Galactic dwarf satellites: implication for chemo-dynamical evolution of the satellites and a challenge to CDM2206.02821v2 · Kohei Hayashi, Yutaka Hirai, Masashi Chiba et al.2022 · 2 citationsarXiv
Semi-analytical frameworks for subhalos from the smallest to the largest scale2206.01358v2 · Nagisa Hiroshima, Shin'ichiro Ando, Tomoaki Ishiyama2022 · 6 citationsarXiv
LCDM halo substructure properties revealed with high resolution and large volume cosmological simulations2110.02097v2 · 'Angeles Molin'e, Miguel A. S'anchez-Conde, Alejandra Aguirre-Santaella et al.2021 · 37 citationsarXiv
Virial halo mass function in the cosmology2108.11038v1 · Masato Shirasaki, Tomoaki Ishiyama, Shin'ichiro Ando2021 · 16 citationsarXiv
Constraining Self-Interacting Dark Matter with Dwarf Spheroidal Galaxies and High-resolution Cosmological -body Simulations2107.05967v2 · Toshihiro Ebisu, Tomoaki Ishiyama, Kohei Hayashi2021 · 20 citationsarXiv
The Uchuu Simulations: Data Release 1 and Dark Matter Halo Concentrations2007.14720v3 · Tomoaki Ishiyama, Francisco Prada, Anatoly A. Klypin et al.2020 · 271 citationsarXiv
Semi-analytic modelling of AGNs: auto-correlation function and halo occupation1912.11772v2 · Taira Oogi, Hikari Shirakata (2, Masahiro Nagashima et al.2019 · 15 citationsarXiv
The impact of filamentary accretion of subhaloes on the shape and orientation of haloes1912.11647v2 · Yu Morinaga, Tomoaki Ishiyama2019 · 20 citationsarXiv
Void Formation: Does the Void-in-Cloud Process Matter?1910.02197v1 · Hei Yin Jowett Chan, Masashi Chiba, Tomoaki Ishiyama2019 · 2 citationsarXiv
Discrimination of heavy elements originating from Pop III stars in z = 3 intergalactic medium1909.07034v2 · Takanobu Kirihara, Kenji Hasegawa, Masayuki Umemura et al.2019 · 8 citationsarXiv
The Abundance and Structure of Subhaloes near the Free Streaming Scale and Their Impact on Indirect Dark Matter Searches1907.03642v2 · Tomoaki Ishiyama, Shin'ichiro Ando2019 · 48 citationsarXiv
Effect of interstellar objects on metallicity of low-mass first stars formed in a cosmological model1905.02974v1 · Takanobu Kirihara, Ataru Tanikawa, Tomoaki Ishiyama2019 · 11 citationsarXiv
Statistical properties of substructures around Milky Way-sized haloes and their implications for the formation of stellar streams1901.04748v3 · Yu Morinaga, Tomoaki Ishiyama, Takanobu Kirihara et al.2019 · 11 citationsarXiv
Modeling evolution of dark matter substructure and annihilation boost1803.07691v2 · Nagisa Hiroshima, Shin'ichiro Ando, Tomoaki Ishiyama2018 · 88 citationsPhys. Rev. D 97, 123002 (2018)
The New Numerical Galaxy Catalogue (\nu^2 GC): Properties of Active Galactic Nuclei and Their Host Galaxies1802.02169v2 · Hikari Shirakata, Takashi Okamoto, Toshihiro Kawaguchi et al.2018 · 32 citationsarXiv
Imprints of the super-Eddington accretion on the quasar clustering1706.07051v1 · Taira Oogi (1, Motohiro Enoki, Tomoaki Ishiyama et al.2017 · 6 citationsarXiv
Universal dark halo scaling relation for the dwarf spheroidal satellites1703.02604v1 · Kohei Hayashi, Tomoaki Ishiyama, Go Ogiya et al.2017 · 7 citationsarXiv
Theoretical reevaluations of the black hole mass - bulge mass relation - I. Effect of the seed black hole mass1604.05317v2 · Hikari Shirakata, Toshihiro Kawaguchi, Takashi Okamoto et al.2016 · 18 citationsarXiv
Dynamical Evolution of Primordial Dark Matter Haloes through Mergers1604.02866v2 · Go Ogiya, Daisuke Nagai, Tomoaki Ishiyama2016 · 41 citationsarXiv
Japanese Cosmic Dawn/Epoch of Reionization Science with the Square Kilometre Array1603.01961v1 · Kenji Hasegawa, Shinsuke Asaba, Kiyotomo Ichiki et al.2016 · 7 citationsarXiv
Quasar clustering in a galaxy and quasar formation model based on ultra high-resolution N-body simulations1512.00458v1 · Taira Oogi (1, Motohiro Enoki, Tomoaki Ishiyama et al.2015 · 17 citationsMonthly Notices of the Royal Astronomical Society: Letters, Volume 456, Issue 1, p.L30-L34 (2016)
Mass and size growth of early-type galaxies by dry mergers in cluster environments1511.01511v2 · Taira Oogi, Asao Habe, Tomoaki Ishiyama2015 · 18 citationsMonthly Notices of the Royal Astronomical Society, Volume 456, Issue 1, p.300-313 (2016)
24.77 Pflops on a Gravitational Tree-Code to Simulate the Milky Way Galaxy with 18600 GPUs1412.0659v1 · Jeroen B'edorf, Evghenii Gaburov, Michiko S. Fujii et al.2014 · 78 citationsarXiv
Constraints on warm dark matter from weak lensing in anomalous quadruple lenses1409.1326v2 · Kaiki Taro Inoue, Ryuichi Takahashi, Tomo Takahashi et al.2014 · 36 citationsMNRAS (April 11, 2015) 448 (3): 2704-2716. First published online March 9, 2015
Hierarchical Formation of Dark Matter Halos and the Free Streaming Scale1404.1650v2 · Tomoaki Ishiyama2014 · 126 citations2014, ApJ, 788, 27
Career total: 90 works. 55 are in this corpus.Showing the 50 most recent.
Profile built from the corpus for this byline.
Author records are still filling in while the Hub is in alpha. If this is your page, you'll be able to claim it soon. Spot a mistake? Tell us.