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researcher

GeraintF . Lewis

18 papers hereh-index 595 citations26 works total

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

author position
  • first author1
  • middle author9
  • last author8

Across the 18 of 18 papers where every author was matched, so the position is known.

fields
  • astro-ph.CO9
  • q-bio.PE3
  • astro-ph.EP2
  • astro-ph.GA2
  • astro-ph.IM1
  • physics.hist-ph1

identity via Semantic Scholar / OpenAlex

activity
20142026
most citedNonlinear Chaplygin Gas Cosmologies

59 citations · 103 across the 16 of their papers we have counts for

collaborators
Showing 2025Show all

3 papers · 1 filter

astro-ph.CO2025★ 3 cited

Cosmic Multipoles in Galaxy Surveys II: Comparing Different Methods in Assessing the Cosmic Dipole

Vasudev Mittal, Oliver T. Oayda, Geraint F. Lewis

We present a comparative analysis of estimators and Bayesian methods for determining the number count dipole from cosmological surveys. The increase in discordance between the numb…

astro-ph.GA2025★ 1 cited

Streams and Shells Decoded: A Density-Driven Approach to Stellar Clustering in Galactic Halos with AstroLink

Viraj Ekanayaka, Smrithi Gireesh Babu, William H. Oliver +1

We present a novel method to differentiate stream-like and shell-like tidal remnants of stellar systems in galactic halos using the density-based approach of the clustering algorit…

astro-ph.CO2025

Revisiting The Cosmological Time Dilation of Distant Quasars: Influence of Source Properties and Evolution

Brendon J. Brewer, Geraint F. Lewis, Yuan Li

After decades of searching, cosmological time dilation was recently identified in the timescale of variability seen in distant quasars. Here, we expand on the previous analysis to…

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