Tomoaki Ishiyama

Physics and Astronomy · Physical Sciences

18h-index1.5kcitations99works1.42yr avg
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Research Topics

Galaxies: Formation, Evolution, Phenomena(65), Astronomy and Astrophysical Research(42), Cosmology and Gravitation Theories(38), Dark Matter and Cosmic Phenomena(22), Astrophysical Phenomena and Observations(15)

Publications100 total

Back to Normal Again: Possible Destinies of JWST overmassive SMBHs and "Little Red Dots" in the View of Shin-Uchuu Simulation
arXiv (Cornell University)·2026Open Access
Back to Normal Again: Possible Destinies of JWST overmassive SMBHs and "Little Red Dots" in the View of Shin-Uchuu Simulation
ArXiv.org·2026Open Access
A redshift-independent theoretical halo mass function validated with Uchuu simulations
Springer Link (Chiba Institute of Technology)·2026
A redshift-independent theoretical halo mass function validated with Uchuu simulations
Astronomy and Astrophysics·2026Open Access
A redshift-independent theoretical halo mass function validated with UCHUU simulations
Astronomy and Astrophysics·2026Open Access
Rapid emergence of overmassive black holes in the early Universe
arXiv (Cornell University)·2026Open Access
Rapid emergence of overmassive black holes in the early Universe
ArXiv.org·2026Open Access
The Origin of Spin-Alignment of Dark Matter Subhalos
arXiv (Cornell University)·2026Open Access
The Origin of Spin-Alignment of Dark Matter Subhalos
ArXiv.org·2026Open Access
A Semianalytic Framework of Population III and Subsequent Galaxy Formation on Cosmological <i>N</i> -body Simulations
The Astrophysical Journal·2025Open Access
Comparison of simulations and semi-analytical model for warm dark matter subhalo mass functions
Publications of the Astronomical Society of Japan·2025Open Access
DESI DR2 reference mocks: clustering results from Uchuu-BGS and LRG
arXiv (Cornell University)·2025Open Access
Quantifying the Velocity Anisotropy Profile of Galaxy Clusters Using the Uchuu Cosmological Simulation
The Astrophysical Journal·2025Open Access
Quantifying the Velocity Anisotropy Profile of Galaxy Clusters Using the Uchuu Cosmological Simulation
arXiv (Cornell University)·2025Open Access
Evolution of clustering in cosmological models with time-varying dark energy
arXiv (Cornell University)·2025Open Access
Baryon Pasting the Uchuu Light-cone Simulation
The Astrophysical Journal·2025· 4 citedOpen Access
A Semi-analytic Framework of Population III and Subsequent Galaxy Formation on Cosmological N-body Simulations
ArXiv.org·2025Open Access
Constraining cosmological parameters using void statistics from the SDSS survey
Astronomy and Astrophysics·2025· 5 citedOpen Access
MPI-Rockstar: a Hybrid MPI and OpenMP Parallel Implementation of the Rockstar Halo finder
arXiv (Cornell University)·2024Open Access
Baryon Pasting the Uchuu Lightcone Simulation
arXiv (Cornell University)·2024Open Access
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Frequent Co-authors

Taira Oogi(11), Anatoly Klypin(10), Francisco Prada(9), Masahiro Nagashima(9), Ryu Makiya(8), Masakazu A. R. Kobayashi(8), José Ruedas(7), Hikari Shirakata(7), Takashi Okamoto(7), Motohiro Enoki(7), Junichiro Makino(6), Eric Jullo(5), S. A. Cora(5), Darren Croton(5), Shin’ichiro Ando(5), Toshihiro Kawaguchi(5), Keigo Nitadori(4), Kohei Hayashi(4), Mohamed H. Abdullah(4), Javier López Cacheiro(4)