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researcher

Y. Hirai

26 papers hereh-index 15565 citations55 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author7
  • middle author18
  • last author1

Across the 26 of 26 papers where every author was matched, so the position is known.

fields
  • astro-ph.GA24
  • astro-ph.CO1
  • astro-ph.SR1
same name
  • Y. Hirai — 8 papers, h 5
  • Y. Hirai — 2 papers, h 10
  • Y. Hirai — 2 papers, h 17
  • Y. Hirai — 1 paper, h 1
  • Y. Hirai — 1 paper, h 1

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
20152025
most citedEnrichment of r-process elements in dwarf spheroidal galaxies in chemo-dynamical evolution model

113 citations · 725 across the 26 of their papers we have counts for

collaborators
Showing 2024Show all

2 papers · 1 filter

astro-ph.GA2024★ 1 cited

ASURA-FDPS-ML: Star-by-star Galaxy Simulations Accelerated by Surrogate Modeling for Supernova Feedback

Keiya Hirashima, Kana Moriwaki, Michiko S. Fujii +5

We introduce new high-resolution galaxy simulations accelerated by a surrogate model that reduces the computation cost by approximately 75 percent. Massive stars with a Zero Age Ma…

astro-ph.GA2024★ 42 cited

Simulations predict intermediate-mass black hole formation in globular clusters

Michiko S. Fujii, Long Wang, Ataru Tanikawa +2

Intermediate-mass black holes (IMBHs) are those between 100 and 105 solar masses (M⊙​); their formation process is debated. One possible origin is the growth of less mas…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.