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
2242011
(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
1182012
Is backreaction really small within concordance cosmology?
C Clarkson, O Umeh
Classical and Quantum Gravity 28 (16), 164010, 2011
872011
xPand: An algorithm for perturbing homogeneous cosmologies
C Pitrou, X Roy, O Umeh
Classical and Quantum Gravity 30 (16), 165002, 2013
852013
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
692014
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
492017
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
462015
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
442014
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
432015
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
432014
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
392019
Nonlinear general relativistic corrections to redshift space distortions, gravitational lensing magnification and cosmological distances
O Umeh, C Clarkson, R Maartens
Class. Quantum Gravity 31 (arXiv: 1207.2109), 202001, 2012
382012
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
322014
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
312019
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
302017
The Hubble rate in averaged cosmology
O Umeh, J Larena, C Clarkson
Journal of Cosmology and Astroparticle Physics 2011 (03), 029, 2011
302011
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
252018
Nonlinear modulation of the HI power spectrum on ultra-large scales. I
O Umeh, R Maartens, M Santos
Journal of Cosmology and Astroparticle Physics 2016 (03), 061, 2016
252016
Scanning the parameter space of holographic superconductors
OC Umeh
Journal of High Energy Physics 2009 (08), 062, 2009
252009
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
222018
The system can't perform the operation now. Try again later.
Articles 1–20