557 citations · 4.3k across the 68 of their papers we have counts for
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astro-ph2004★ 2 cited
The roles of ram-pressure stripping and minor mergers in evolution of galaxies
Takashi Okamoto, Masahiro Nagashima
We investigate environmental effects on evolution of bright cluster galaxies in a Lambda-dominated cold dark matter universe using a combination of dissipationless N-body simulatio…
astro-ph2004★ 12 cited
Type Ia supernovae in a hierarchical galaxy formation model: the Milky Way
Masahiro Nagashima, Takashi Okamoto
We investigate chemical evolution in Milky Way-like galaxies based on the cold dark matter model in which cosmic structures form via hierarchical merging. We introduce chemical enr…