Research outputs per year
Research outputs per year
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Dive into the research topics where Obinna Umeh is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Collaborations and top research areas from the last five years
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Research output
- 36 Article
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Vorticity generation in cosmology and the role of shell crossing
Umeh, O. C., 1 Dec 2023, In: Journal of Cosmology and Astroparticle Physics. 2023, 12, 38 p., 043.Research output: Contribution to journal › Article › peer-review
Open AccessFile5 Downloads (Pure) -
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 AccessFile43 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 AccessFile34 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 AccessFile33 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 AccessFile55 Downloads (Pure)
Datasets
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Data availability statement for 'Imprints of local lightcone projection effects on the galaxy bispectrum IV: second-order vector and tensor contributions'.
Jolicoeur, S. (Creator), Allahyari, A. (Creator), Clarkson, C. (Creator), Larena, J. (Creator), Umeh, O. C. (Creator) & Maartens, R. (Creator), IOP Publishing, 1 Mar 2019
Dataset
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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. C. (Creator), Maartens, R. (Creator) & Bertacca, D. (Creator), University of Portsmouth, 23 Jul 2018
Dataset
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Data availability statement for 'A scale dependent bias on linear scales: the case for HI intensity mapping at z=1'.
Pénin, A. (Creator), Umeh, O. C. (Creator) & Santos, M. (Creator), Oxford University Press, 1 Feb 2018
Dataset
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Data availability statement for 'Local primordial non-Gaussianity in the relativistic galaxy bispectrum'.
Maartens, R. (Creator), Jolicoeur, S. (Creator), Umeh, O. (Creator), Weerd, E. M. D. (Creator) & Clarkson, C. (Creator), IOP Publishing, 26 Feb 2021
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
Activities
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General Relativity and Gravitation (Journal)
Umeh, O. (Guest editor)
22 Jan 2024Activity: Publication peer-review and editorial work types › Publication peer-review
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European Elasmobranch Association Conference 2023
Umeh, O. (Participant)
18 Oct 2023 → 20 Oct 2023Activity: Participating in or organising an event types › Participation in conference
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Classical and Quantum Gravity (Journal)
Umeh, O. (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
Umeh, O. (Speaker)
19 Sept 2022 → 23 Sept 2022Activity: Talk or presentation types › Invited talk
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Tensions in Cosmology
Umeh, O. (Participant)
7 Sept 2022 → 12 Sept 2022Activity: Participating in or organising an event types › Participation in workshop, seminar, course