Follow
Obinna Umeh
Obinna Umeh
University of Portasmouth
Verified email at port.ac.uk - Homepage
Title
Cited by
Cited by
Year
Does the growth of structure affect our dynamical models of the Universe? The averaging, backreaction, and fitting problems in cosmology
C Clarkson, G Ellis, J Larena, O Umeh
Reports on Progress in Physics 74 (11), 112901, 2011
2472011
(Mis) interpreting supernovae observations in a lumpy universe
C Clarkson, GFR Ellis, A Faltenbacher, R Maartens, O Umeh, JP Uzan
Monthly Notices of the Royal Astronomical Society 426 (2), 1121-1136, 2012
1292012
xPand: An algorithm for perturbing homogeneous cosmologies
C Pitrou, X Roy, O Umeh
Classical and Quantum Gravity 30 (16), 165002, 2013
1152013
Is backreaction really small within concordance cosmology?
C Clarkson, O Umeh
Classical and Quantum Gravity 28 (16), 164010, 2011
922011
Nonlinear relativistic corrections to cosmological distances, redshift and gravitational lensing magnification: II. Derivation
O Umeh, C Clarkson, R Maartens
Classical and Quantum Gravity 31 (20), 205001, 2014
632014
A general relativistic signature in the galaxy bispectrum: the local effects of observing on the lightcone
O Umeh, S Jolicoeur, R Maartens, C Clarkson
Journal of Cosmology and Astroparticle Physics 2017 (03), 034, 2017
602017
The full-sky angular bispectrum in redshift space
E Di Dio, R Durrer, R Maartens, F Montanari, O Umeh
Journal of Cosmology and Astroparticle Physics 2019 (04), 053, 2019
522019
Cosmological ensemble and directional averages of observables
C Bonvin, C Clarkson, R Durrer, R Maartens, O Umeh
Journal of Cosmology and Astroparticle Physics 2015 (07), 040, 2015
512015
Do we care about the distance to the CMB? Clarifying the impact of second-order lensing
C Bonvin, C Clarkson, R Durrer, R Maartens, O Umeh
Journal of Cosmology and Astroparticle Physics 2015 (06), 050, 2015
482015
What is the distance to the CMB?
C Clarkson, O Umeh, R Maartens, R Durrer
Journal of Cosmology and Astroparticle Physics 2014 (11), 036, 2014
462014
Nonlinear relativistic corrections to cosmological distances, redshift and gravitational lensing magnification: I. Key results
O Umeh, C Clarkson, R Maartens
Classical and Quantum Gravity 31 (20), 202001, 2014
442014
The dipole of the galaxy bispectrum
C Clarkson, EM de Weerd, S Jolicoeur, R Maartens, O Umeh
Monthly Notices of the Royal Astronomical Society: Letters 486 (1), L101-L104, 2019
432019
Nonlinear general relativistic corrections to redshift space distortions, gravitational lensing magnification and cosmological distances
O Umeh, C Clarkson, R Maartens
arXiv preprint arXiv:1207.2109, 2012
412012
Nonlinear relativistic corrections to cosmological distances, redshift and gravitational lensing magnification
O Umeh, C Clarkson, R Maartens
II-Derivation,[1402.1933] Preprint, 2014
392014
Imprints of local lightcone\projection effects on the galaxy bispectrum. Part II
S Jolicoeur, O Umeh, R Maartens, C Clarkson
Journal of Cosmology and Astroparticle Physics 2017 (09), 040, 2017
362017
Non-linear relativistic contributions to the cosmological weak-lensing convergence
S Andrianomena, C Clarkson, P Patel, O Umeh, JP Uzan
Journal of Cosmology and Astroparticle Physics 2014 (06), 023, 2014
342014
Detecting the relativistic galaxy bispectrum
R Maartens, S Jolicoeur, O Umeh, EM De Weerd, C Clarkson, S Camera
Journal of Cosmology and Astroparticle Physics 2020 (03), 065, 2020
332020
The observed galaxy bispectrum from single-field inflation in the squeezed limit
K Koyama, O Umeh, R Maartens, D Bertacca
Journal of Cosmology and Astroparticle Physics 2018 (07), 050, 2018
332018
The Hubble rate in averaged cosmology
O Umeh, J Larena, C Clarkson
Journal of Cosmology and Astroparticle Physics 2011 (03), 029, 2011
332011
Imprints of local lightcone projection effects on the galaxy bispectrum. Part III. Relativistic corrections from nonlinear dynamical evolution on large-scales
S Jolicoeur, O Umeh, R Maartens, C Clarkson
Journal of Cosmology and Astroparticle Physics 2018 (03), 036, 2018
282018
The system can't perform the operation now. Try again later.
Articles 1–20