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Kohei Hayashi

5 papers hereh-index 211 citations8 works total

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

author position
  • first author1
  • middle author4

Across the 5 of 5 papers where every author was matched, so the position is known.

fields
  • astro-ph.GA3
  • cs.CL2
same name
  • Kohei Hayashi — 16 papers, h 18
  • Kohei Hayashi — 11 papers, h 6
  • Kohei Hayashi — 11 papers, h 5
  • Kohei Hayashi — 6 papers
  • Kohei Hayashi — 5 papers, h 2
  • Kohei Hayashi — 3 papers, 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

most citedCFTM: Continuous time fractional topic model

1 citations · 3 across the 5 of their papers we have counts for

collaborators
Showing astro-ph.GAShow all

3 papers · 1 filter

astro-ph.GA2025★ 1 cited

Chemodynamics of BoötesI with S5: Revised Velocity Gradient, Dark Matter Density, and Galactic Chemical Evolution Constraints

Nathan R. Sandford, Ting S. Li, Sergey E. Koposov +14

We combine new spectroscopic observations of the ultra faint dwarf galaxy (UFD) Boötes I (Boo I) from the Southern Stellar Stream Spectroscopic Survey (S5) with ∼15 years…

astro-ph.GA2025★ 1 cited

Cusp-to-Core Transition of Dark Matter Halos across Galaxy Mass Scales

Kohei Hayashi, Yuka Kaneda, Masao Mori +1

We investigate the diversity of dark matter (DM) density profiles in a large sample of late-type galaxies from the SPARC database, with the goal of testing whether a cusp-to-core t…

astro-ph.GA2025

JFlow: Model-Independent Spherical Jeans Analysis using Equivariant Continuous Normalizing Flows

Sung Hak Lim, Kohei Hayashi, Shun'ichi Horigome +2

The kinematics of stars in dwarf spheroidal galaxies have been studied to understand the structure of dark matter halos. However, the kinematic information of these stars is often…

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