Research outputs per year
Research outputs per year
Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
Research output
- 35 Article
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Consequences of using a smooth cosmic distance in a lumpy universe: I
Umeh, O. C., 21 Jul 2022, In: Physical Review D. 106, 02, 20 p., 023514.Research output: Contribution to journal › Article › peer-review
Open AccessFile20 Downloads (Pure) -
Emergence of smooth distance and apparent magnitude in a lumpy Universe
Umeh, O., 7 Nov 2022, In: Classical and Quantum Gravity. 39, 23, 15 p., 235006.Research output: Contribution to journal › Article › peer-review
Open AccessFile4 Downloads (Pure) -
The art of building a smooth cosmic distance ladder in a perturbed universe
Umeh, O. C., 11 Aug 2022, In: Journal of Cosmology and Astroparticle Physics. 2022, 08, 42 p., 028.Research output: Contribution to journal › Article › peer-review
Open AccessFile8 Downloads (Pure) -
Detecting the relativistic bispectrum in 21cm intensity maps
Jolicoeur, S., Maartens, R., Weerd, E. M. D., Umeh, O., Clarkson, C. & Camera, S., 22 Jun 2021, In: Journal of Cosmology and Astroparticle Physics. 2021, 06, p. 1-22 22 p., 039.Research output: Contribution to journal › Article › peer-review
Open AccessFile25 Downloads (Pure) -
Local primordial non-Gaussianity in the relativistic galaxy bispectrum
Maartens, R., Jolicoeur, S., Umeh, O., Weerd, E. M. D. & Clarkson, C., 7 Apr 2021, In: Journal of Cosmology and Astroparticle Physics. 2021, 4, p. 1-30 30 p., 013.Research output: Contribution to journal › Article › peer-review
Open AccessFile16 Downloads (Pure)
Datasets
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Data availability statement for 'The observed galaxy bispectrum from single-field inflation in the squeezed limit'.
Koyama, K. (Creator), Umeh, O. (Creator), Maartens, R. (Creator) & Bertacca, D. (Creator), University of Portsmouth, 23 Jul 2018
Dataset
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Data availability statement for 'Detecting the relativistic bispectrum in 21cm intensity maps'.
Jolicoeur, S. (Creator), Maartens, R. (Creator), Weerd, E. M. D. (Creator), Umeh, O. (Creator), Clarkson, C. (Creator) & Camera, S. (Creator), IOP Publishing, 13 May 2021
Dataset
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Data availability statement for 'The dipole of the galaxy bispectrum'.
Clarkson, C. (Creator), Weerd, E. M. D. (Creator), Jolicoeur, S. (Creator), Maartens, R. (Creator) & Umeh, O. (Creator), Oxford University Press, 29 Apr 2019
Dataset
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Data availability statement for 'Detecting the relativistic galaxy bispectrum'.
Maartens, R. (Creator), Jolicoeur, S. (Creator), Umeh, O. (Creator), Weerd, E. M. D. (Creator), Clarkson, C. (Creator) & Camera, S. (Creator), IOP Publishing, 13 Mar 2020
Dataset
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Data availability statement for 'The full-sky angular bispectrum in redshift space'.
Di Dio, E. (Creator), Durrer, R. (Creator), Maartens, R. (Creator), Montanari, F. (Creator) & Umeh, O. (Creator), IOP Publishing, 29 Apr 2019
Dataset
Activities
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Classical and Quantum Gravity (Journal)
Obinna Umeh (Peer reviewer)
7 Nov 2022Activity: Publication peer-review and editorial work types › Publication peer-review
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Speaker at the Universidad Autónoma de Madrid
Obinna Umeh (Speaker)
19 Sept 2022 → 23 Sept 2022Activity: Talk or presentation types › Invited talk
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Tensions in Cosmology
Obinna Umeh (Participant)
7 Sept 2022 → 12 Sept 2022Activity: Participating in or organising an event types › Participation in workshop, seminar, course
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Physical Review D - Particles, Fields, Gravitation and Cosmology (Journal)
Obinna Umeh (Guest editor)
21 Jul 2022Activity: Publication peer-review and editorial work types › Publication peer-review
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Speaker at Queen Mary University of London
Obinna Umeh (Speaker)
16 May 2022Activity: Talk or presentation types › Oral presentation