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researcher

K. Koyama

135 papers hereh-index 7419.8k citations507 works total

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

author position
  • sole author6
  • first author13
  • middle author72
  • last author33

Across the 124 of 135 papers where every author was matched, so the position is known.

fields
  • astro-ph.CO61
  • hep-th45
  • astro-ph12
  • gr-qc11
  • astro-ph.IM2
  • physics.flu-dyn2
same name
  • K. Koyama — 56 papers, h 53
  • K. Koyama — 12 papers, h 3
  • K. Koyama — 12 papers, h 5
  • K. Koyama — 10 papers
  • K. Koyama — 6 papers, h 3
  • K. Koyama — 5 papers, h 27

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
20002023
most citedThe DESI Experiment Part I: Science,Targeting, and Survey Design

1.3k citations · 5.5k across the 74 of their papers we have counts for

collaborators
Showing 2006 · astro-phShow all

1 paper · 2 filters

astro-ph2006

Structure formation in modified gravity models alternative to dark energy

Kazuya Koyama

We study structure formation in phenomenological models in which the Friedmann equation receives a correction of the form Hα/rc2−α​, which realize an accelerated expansion wi…

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