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Obinna Umeh

39 papers hereh-index 211.4k citations48 works total

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

author position
  • sole author10
  • first author9
  • middle author12
  • last author8

Across the 39 of 39 papers where every author was matched, so the position is known.

fields
  • astro-ph.CO35
  • gr-qc3
  • hep-th1
same name
  • Obinna Umeh — 1 paper

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
20092026
most citedDoes the growth of structure affect our dynamical models of the universe? The averaging, backreaction and fitting problems in cosmology

220 citations · 1.2k across the 39 of their papers we have counts for

collaborators
Showing 2018Show all

3 papers · 1 filter

astro-ph.CO2018★ 40 cited

The dipole of the galaxy bispectrum

Chris Clarkson, Eline M. de Weerd, Sheean Jolicoeur +2

The bispectrum will play an important role in future galaxy surveys. On large scales it is a key probe for measuring primordial non-Gaussianity which can help differentiate between…

astro-ph.CO2018★ 40 cited

The Full-Sky Angular Bispectrum in Redshift Space

Enea Di Dio, Ruth Durrer, Roy Maartens +2

We compute the redshift-dependent angular bispectrum of galaxy number counts at tree-level, including nonlinear clustering bias and estimating numerically for the first time the ef…

astro-ph.CO2018★ 12 cited

Imprints of local lightcone projection effects on the galaxy bispectrum IV: Second-order vector and tensor contributions

Sheean Jolicoeur, Alireza Allahyari, Chris Clarkson +3

The galaxy bispectrum on scales around and above the equality scale receives contributions from relativistic effects. Some of these arise from lightcone deformation effects, which…

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