Ernest Yankson

Publishing since 2005, latest 2025

Applied Mathematics
Public Health, Environmental and Occupational Health
Numerical Analysis
Modeling and Simulation
Computational Theory and Mathematics
Control and Systems Engineering

In their own words

Functional Differential and Difference

Publications: 332005–2025
Citations: 482to those papers
h-index: 10i10-index 10
Field-weighted impact: 1.851.00 is the world average
World top 10%: 14%3 of 21 scored papers
Open access: 86%18 of the 21 whose access is recorded

2 other works — preprints, datasets and the like — are listed but not counted.

Google Scholar shows 570 citations, h-index 11 and i10-index 12 (410 citations and h-index 6 since 2021), as of October 3, 2026. It also counts theses, books and web pages, so it runs higher.

By year

Papers, and the citations to them

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

Publications

33 in all

Structural and Functional Impacts of SARS-CoV-2 Spike Protein Mutations: Insights From Predictive Modeling and Analytics
2025JMIR Bioinformatics and BiotechnologyJournalOpen access4 citations10.2196/73637
Existence and stability of solutions of totally nonlinear neutral Caputo q-fractional difference equations
2025Cubo

Download CV:PDFWord

Citations received each year

PeerfordGoogle Scholar

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

Applied Mathematics1442%
Public Health, Environmental and Occupational Health1133%
Numerical Analysis927%
Modeling and Simulation618%
Computational Theory and Mathematics39%
Control and Systems Engineering39%
Infectious Diseases39%
Geometry and Topology26%
Statistical and Nonlinear Physics26%
Aerospace Engineering13%

Health Sciences
Physical Sciences

Topics most written on

Nonlinear Differential Equations Analysis14
Mathematical and Theoretical Epidemiology and Ecology Models11
Numerical methods for differential equations7
Differential Equations and Numerical Methods5
Fractional Differential Equations Solutions4
COVID-19 epidemiological studies2
SARS-CoV-2 and COVID-19 Research2
Stability and Controllability of Differential Equations2
Advanced Differential Equations and Dynamical Systems1
Advanced Mathematical Modeling in Engineering1
Computational Drug Discovery Methods1
Evolution and Genetic Dynamics1

Who they write with

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

Where their co-authors are

24% of their 21 papers with recorded affiliations have a co-author abroad

papers co-written1122223Home

Most frequent partner countries

United States3
China2
Pakistan1
Mali1
Indonesia1
Nigeria1

Papers with at least one author in that country.

Institutions written with most

University of GhanaGH3 papers
University of Energy and Natural ResourcesGH3 papers
North University of ChinaCN2 papers
University of DaytonUS2 papers
Shanxi UniversityCN2 papers
Kwame Nkrumah University of Science and TechnologyGH2 papers
Tulane UniversityUS1 paper
University of Arkansas for Medical SciencesUS1 paper
Airlangga UniversityID1 paper
University of SwabiPK1 paper

Where they publish

Proyecciones (Antofagasta)4
Cubo3
Electronic Journal of Mathematical Analysis and Applications3
Electronic journal of qualitative theory of differential equations3
Opuscula Mathematica3
Caspian Journal of Mathematical Sciences (CJMS)peer2

Development goals addressed

From each paper’s title and abstract

3Good health and well-being3
10Reduced inequalities2
15Life on land1

Most cited

Sensitivity assessment and optimal economic evaluation of a new COVID-19 compartmental epidemic model with control interventions
Chaos Solitons & Fractals3
2021136 citationsWorld top 10%Open access · Green
Non-fractional and fractional mathematical analysis and simulations for Q fever
Chaos Solitons & Fractals15
202297 citationsWorld top 10%

SUFFICIENT CONDITIONS FOR THE STABILITY OF A SYSTEM OF DIFFERENCE EQUATIONS WITH FINITE DELAY

2022Electronic Journal of Mathematical Analysis and ApplicationsJournalFirst author0 citations

Exponential stability results for variable delay difference equations

2021Opuscula MathematicaJournalOpen accessFirst authorCorresponding1 citation10.7494/opmath.2021.41.1.145

PERIODICITY IN MULTIPLE DELAY VOLTERRA DIFFERENCE EQUATIONS OF NEUTRAL TYPE

2018Electronic Journal of Mathematical Analysis and ApplicationsJournalFirst author0 citations

Stability Results for Neutral Integro-Differential Equations with Multiple Functional Delays

2017Khayyam journal of mathematicsJournalOpen accessFirst authorCorresponding3 citations10.22034/kjm.2017.43831

Positive periodic solutions for neutral functional differential systems

2017Proyecciones (Antofagasta)JournalOpen accessFirst author2 citations10.4067/s0716-09172017000300423

Existence and uniqueness of solutions for neutral periodic integro-differential equations with infinite delay

2016Caspian Journal of Mathematical Sciences (CJMS)peerJournalFirst authorCorresponding0 citations

Periodic solutions for a system of totally nonlinear dynamic equations on time scale

2016Miskolc mathematical notes/Mathematical notesJournalOpen accessFirst authorCorresponding0 citations10.18514/mmn.2016.1468

Stability in delay Volterra difference equations of neutral type

2015Proyecciones (Antofagasta)JournalOpen accessFirst author1 citation10.4067/s0716-09172015000300003

EXISTENCE AND UNIQUENESS OF PERIODIC SOLUTIONS FOR A SYSTEM OF DIFFERENCE EQUATIONS WITH FINITE DELAY

2015Electronic Journal of Mathematical Analysis and ApplicationsJournalFirst author1 citation

Periodicity in a System of Differential Equations with Finite Delay

2014Caspian Journal of Mathematical Sciences (CJMS)peerJournalFirst authorCorresponding2 citations

Asymptotic behaviour of boundary condition functions for a fourth-order boundary value problem

2013Theoretical Mathematics & Applications (TMA)Journal1 citation

Positive periodic solutions for second-order neutral differential equations with functional delay

2012Electron. J. Differential EquationsJournalFirst author22 citations

Positive solutions for a system of periodic neutral delay difference equations

2011African Diaspora Journal of Mathematics. New SeriesJournalFirst author3 citations

Positive periodic solutions in neutral delay difference equations

2010Adv. Dyn. Syst. ApplJournalSenior author28 citations

Stability in discrete equations with variable delays

2009Electronic Journal of Qualitative Theory of Differential EquationsJournalFirst author25 citations

Stability of Volterra difference delay equations

2006Electronic journal of qualitative theory of differential equationsJournalOpen accessFirst authorCorresponding14 citations10.14232/ejqtde.2006.1.20

Boundedness and stability in nonlinear delay difference equations employing fixed point theory

2005Electronic journal of qualitative theory of differential equationsJournalOpen accessSenior author28 citations10.14232/ejqtde.2005.1.26

Chaos Solitons & Fractals

Adv. Dyn. Syst. Appl1

How it can be read

86% free to read, of the 21 recorded

Diamond 13 · 39%Free to read and to publish
Gold 2 · 6%In an open-access journal
Hybrid 1 · 3%Open in a subscription journal
Green 2 · 6%A copy in a repository
Closed 3 · 9%Behind a paywall
Unknown 12 · 36%Not recorded by the source

Who funds it

3 of 33 papers name a funder

National Natural Science Foundation of China2
Fogarty International Center1
National Key Research and Development Program of China1
Shanxi University1

202174 citationsWorld top 10%Open access · Gold

Boundedness and stability in nonlinear delay difference equations employing fixed point theory

Electronic journal of qualitative theory of differential equations

200528 citationsOpen access · Diamond