Obinna Umeh

University of Lagos

Also at University of Portsmouth and University of the Western Capefrom their recent papers

Publishing since 2009, latest 2026

Astronomy and Astrophysics
Nuclear and High Energy Physics
Instrumentation
Economics and Econometrics
Statistical and Nonlinear Physics
Civil and Structural Engineering

Publications: 372009–2026
Citations: 1,170to those papers
h-index: 20i10-index 26
Field-weighted impact: 2.571.00 is the world average
World top 10%: 27%10 of 37 scored papers
Open access: 97%36 papers free to read

By year

Papers, and the citations to them

Publications, left axisCitations to that year’s papers, right axis2026 still in progress

Career

On their papers

Every institution they have given on a paper.

Publications

37 in all

Essential building block for cosmological zoom-in perturbation theory
2026Physical review. D/Physical review. D.JournalOpen accessFirst authorCorresponding0 citations10.1103/twsl-s4xd
Risk in Land Banking Practice Among Lagos Residential Estate Developers
2026African Journal on Land Policy and Geospatial Sciences

Download CV:PDFWord

Citations received each year

Peerford

To all their work, old papers included. Google Scholar also counts citations from theses, books and web pages, so its line runs higher.

What they work on

From the classification of each paper

Subfields

Astronomy and Astrophysics3286%
Nuclear and High Energy Physics1232%
Instrumentation1027%
Economics and Econometrics411%
Statistical and Nonlinear Physics411%
Civil and Structural Engineering13%
Finance13%
Global and Planetary Change13%
Immunology13%
Molecular Biology13%

Life Sciences
Physical Sciences
Social Sciences

Topics most written on

Cosmology and Gravitation Theories28
Galaxies: Formation, Evolution, Phenomena26
Astronomy and Astrophysical Research10
Black Holes and Theoretical Physics7
Radio Astronomy Observations and Technology6
Astrophysics and Cosmic Phenomena4
Pulsars and Gravitational Waves Research4
Housing Market and Economics3
Noncommutative and Quantum Gravity Theories3
Gamma-ray bursts and supernovae2
Stellar, planetary, and galactic studies2
Advanced Mathematical Theories and Applications1

Who they write with

Their most frequent co-authors, and the papers those co-authors share

Where their co-authors are

76% of their papers have a co-author abroad

papers co-written12345624Home

Most frequent partner countries

South Africa32
United Kingdom24
Switzerland6
France4
Italy4
Germany3
Spain2
Finland1

Papers with at least one author in that country.

Institutions written with most

University of the Western CapeZA28 papers
University of PortsmouthGB24 papers
University of Cape TownZA23 papers
Queen Mary University of LondonGB10 papers
University of GenevaCH6 papers
Institut d'Astrophysique de ParisFR4 papers
Centre National de la Recherche ScientifiqueFR4 papers
Université Pierre-et-Marie-CurieFR4 papers
University of TurinIT3 papers
Institut Lagrange de ParisFR3 papers

Where they publish

Journal of Cosmology and Astroparticle Physics20
Classical and Quantum Gravity4
Monthly Notices of the Royal Astronomical Society2
Physical review. D/Physical review. D.2
African Journal on Land Policy and Geospatial Sciences1
Baltic Journal of Real Estate Economics and Construction Management

Development goals addressed

From each paper’s title and abstract

7Affordable and clean energy2
3Good health and well-being1
10Reduced inequalities1
11Sustainable cities and communities1
13Climate action1
15Life on land1
17Partnerships for the goals1

Most cited

Does the growth of structure affect our dynamical models of the Universe? The averaging, backreaction, and fitting problems in cosmology
Reports on Progress in Physics
2011218 citationsWorld top 10%Open access · Bronze
(Mis)interpreting supernovae observations in a lumpy universe
Monthly Notices of the Royal Astronomical Society
2012124 citationsWorld top 10%Open access · Green
xPand : an algorithm for perturbing homogeneous cosmologies

Consequences of using a smooth cosmic distance in a lumpy universe. I.

2022Physical review. D/Physical review. D.JournalOpen accessFirst authorCorresponding8 citations10.1103/physrevd.106.023514

The art of building a smooth cosmic distance ladder in a perturbed universe

2022Journal of Cosmology and Astroparticle PhysicsJournalOpen accessFirst authorCorresponding4 citations10.1088/1475-7516/2022/08/023

Emergence of smooth distance and apparent magnitude in a lumpy Universe

2022Classical and Quantum GravityJournalOpen accessFirst authorCorresponding3 citations10.1088/1361-6382/ac9d1c

Detecting the relativistic bispectrum in 21cm intensity maps

2021Journal of Cosmology and Astroparticle PhysicsJournalOpen accessCorresponding30 citations10.1088/1475-7516/2021/06/039

Local primordial non-Gaussianity in the relativistic galaxy bispectrum

2021Journal of Cosmology and Astroparticle PhysicsJournalOpen access24 citations10.1088/1475-7516/2021/04/013

The effect of finite halo size on the clustering of neutral hydrogen

2021Journal of Cosmology and Astroparticle PhysicsJournalOpen accessFirst authorCorresponding6 citations10.1088/1475-7516/2021/06/027

Forecasting Performance of Commercial Property Investments in Lagos Metropolis

2020Journal of African Real Estate ResearchJournalOpen accessFirst author3 citations10.15641/jarer.v5i2.915

Sensitivity of Real Estate Investment Return to Market Return Index: The Case of Nigerian Real Estate Investment Trusts

2020Baltic Journal of Real Estate Economics and Construction ManagementJournalOpen accessSenior author1 citation10.2478/bjreecm-2020-0014

Detecting the relativistic galaxy bispectrum

2020Journal of Cosmology and Astroparticle PhysicsJournalOpen access31 citations10.1088/1475-7516/2020/03/065

Multipoles of the relativistic galaxy bispectrum

2020Journal of Cosmology and Astroparticle PhysicsJournalOpen accessSenior author19 citations10.1088/1475-7516/2020/05/018

The dipole of the galaxy bispectrum

2019Monthly Notices of the Royal Astronomical Society LettersJournalOpen accessSenior author40 citations10.1093/mnrasl/slz066

The full-sky angular bispectrum in redshift space

2019Journal of Cosmology and Astroparticle PhysicsJournalOpen accessSenior author40 citations10.1088/1475-7516/2019/04/053

General relativistic effects in the galaxy bias at second order

2019Journal of Cosmology and Astroparticle PhysicsJournalOpen accessFirst author18 citations10.1088/1475-7516/2019/05/020

The observed galaxy bispectrum from single-field inflation in the squeezed limit

2018Journal of Cosmology and Astroparticle PhysicsJournalOpen access30 citations10.1088/1475-7516/2018/07/050

Imprints of local lightcone \ projection effects on the galaxy bispectrum. Part II

2017Journal of Cosmology and Astroparticle PhysicsJournalOpen access25 citations10.1088/1475-7516/2017/09/040

A general relativistic signature in the galaxy bispectrum: the local effects of observing on the lightcone

2017Journal of Cosmology and Astroparticle PhysicsJournalOpen accessFirst author41 citations10.1088/1475-7516/2017/03/034

A scale-dependent bias on linear scales: the case for H i intensity mapping at z = 1

2017Monthly Notices of the Royal Astronomical SocietyJournalOpen access20 citations10.1093/mnras/stx2635

Imprint of non-linear effects on HI intensity mapping on large scales

2017Journal of Cosmology and Astroparticle PhysicsJournalOpen accessFirst authorCorresponding14 citations10.1088/1475-7516/2017/06/005

Nonlinear modulation of the HI power spectrum on ultra-large scales. I

2016Journal of Cosmology and Astroparticle PhysicsJournalOpen accessFirst author21 citations10.1088/1475-7516/2016/03/061

Do we care about the distance to the CMB? Clarifying the impact of second-order lensing

2015Journal of Cosmology and Astroparticle PhysicsJournalOpen accessSenior author48 citations10.1088/1475-7516/2015/06/050

Cosmological ensemble and directional averages of observables

2015Journal of Cosmology and Astroparticle PhysicsJournalOpen accessSenior author36 citations10.1088/1475-7516/2015/07/040

What is the distance to the CMB?

2014Journal of Cosmology and Astroparticle PhysicsJournalOpen access31 citations10.1088/1475-7516/2014/11/036

Non-linear relativistic contributions to the cosmological weak-lensing convergence

2014Journal of Cosmology and Astroparticle PhysicsJournalOpen access24 citations10.1088/1475-7516/2014/06/023

xPand : an algorithm for perturbing homogeneous cosmologies

2013Classical and Quantum GravityJournalOpen accessSenior author104 citations10.1088/0264-9381/30/16/165002

(Mis)interpreting supernovae observations in a lumpy universe

2012Monthly Notices of the Royal Astronomical SocietyJournalOpen access124 citations10.1111/j.1365-2966.2012.21750.x

The Hubble rate in averaged cosmology

2011Journal of Cosmology and Astroparticle PhysicsJournalOpen accessFirst author26 citations10.1088/1475-7516/2011/03/029

Scanning the parameter space of holographic superconductors

2009Journal of High Energy PhysicsJournalOpen accessFirst authorCorresponding20 citations10.1088/1126-6708/2009/08/062

Journal of African Real Estate Research1

Journal of High Energy Physics1

How it can be read

97% free to read

Diamond 3 · 8%Free to read and to publish
Hybrid 3 · 8%Open in a subscription journal
Bronze 19 · 51%Free to read, no open licence
Green 11 · 30%A copy in a repository
Closed 1 · 3%Behind a paywall

Who funds it

29 of 37 papers name a funder

Science and Technology Facilities Council23
National Research Foundation11
National Science Foundation5
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung5
University of Cape Town4
Agence Nationale de la Recherche2
Claude Leon Foundation2
Dipartimenti di Eccellenza2

Classical and Quantum Gravity

2013104 citationsOpen access · Bronze