I.A. Iwok

University of Port Harcourt

Publishing since 2011, latest 2025

Management Science and Operations Research
Finance
Economics and Econometrics
Statistical and Nonlinear Physics
Aerospace Engineering
Applied Mathematics

Their record on OpenAlex

Publications: 112011–2025
Citations: 27to those papers
h-index: 2i10-index 1
Field-weighted impact: 0.061.00 is the world average
World top 10%: 0%0 of 11 scored papers
Open access: 100%11 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

11 in all

Estimating Activity Duration in PERT Using the Burr XII Distribution
2025Asian Research Journal of MathematicsJournalOpen accessSenior author0 citations10.9734/arjom/2025/v21i3900
Simulation of Project Completion Time with Burr XII Activity Distribution
2017Asian Research Journal of Mathematics

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

Management Science and Operations Research436%
Finance327%
Economics and Econometrics218%
Statistical and Nonlinear Physics218%
Aerospace Engineering19%
Applied Mathematics19%
Artificial Intelligence19%
Astronomy and Astrophysics19%
Computational Theory and Mathematics19%
Computer Vision and Pattern Recognition19%

Physical Sciences
Social Sciences

Topics most written on

Financial Risk and Volatility Modeling2
Forecasting Techniques and Applications2
Advanced Mathematical Theories and Applications1
Advanced Statistical Methods and Models1
Capital Investment and Risk Analysis1
Computational Drug Discovery Methods1
Computational Physics and Python Applications1
Economics of Agriculture and Food Markets1
Grey System Theory Applications1
Historical Astronomy and Related Studies1
Image and Signal Denoising Methods1
Innovation Diffusion and Forecasting1

Who they write with

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

Where their co-authors are

0% of their papers have a co-author abroad

Most frequent partner countries

Papers with at least one author in that country.

Institutions written with most

Joseph Sarwuan Tarka University MakurdiNG2 papers
Akwa Ibom State PolytechnicNG1 paper
Federal University of Agriculture, AbeokutaNG1 paper

Where they publish

Asian Research Journal of Mathematics2
International Journal of Statistics and Probability2
American Journal of Scientific and Industrial Research1
Asian Journal of Mathematics & Statistics1
Global Journal of Pure and Applied Sciences1
International Journal of Advanced Statistics and Probability

Development goals addressed

From each paper’s title and abstract

3Good health and well-being1
8Decent work and economic growth1
10Reduced inequalities1
13Climate action1

Most cited

Seasonal Modelling of Fourier Series with Linear Trend
International Journal of Statistics and Probability
201618 citationsOpen access · Diamond
Simulation of Project Completion Time with Burr XII Activity Distribution
Asian Research Journal of Mathematics
20174 citationsOpen access · Diamond
Identification of cycles in sunspot numbers using percentage variance technique
American Journal of Scientific and Industrial Research

Identification of correlation structure using rotated factor loadings

2017International Journal of Advanced Statistics and ProbabilityJournalOpen accessFirst author1 citation10.14419/ijasp.v5i1.6931

Mixed Seasonal and Subset Fourier Model with Seasonal Harmonics

2017Science Journal of Applied Mathematics and StatisticsJournalOpen accessFirst authorCorresponding1 citation10.11648/j.sjams.20170501.11

Justification of Wold’s Theorem and the Unbiasedness of a Stable Vector Autoregressive Time Series Model Forecasts

2017International Journal of Statistics and ProbabilityJournalOpen accessFirst authorCorresponding0 citations10.5539/ijsp.v6n2p1

Seasonal Modelling of Fourier Series with Linear Trend

2016International Journal of Statistics and ProbabilityJournalOpen accessFirst authorCorresponding18 citations10.5539/ijsp.v5n6p65

Vector bilinear autoregressive time series model and its superiority over its linear autoregressive counterpart

2016Global Journal of Pure and Applied SciencesJournalOpen accessFirst authorCorresponding0 citations10.4314/gjpas.v22i1.7

Another Look at the Consumer Price Index - A wavelet Approach

2016Journals & Books Hosting (International Knowledge Sharing Platform)JournalOpen accessFirst author0 citations

Method of Estimating Missing Values in a Stationary Autoregressive (AR) Process

2015Asian Journal of Mathematics & StatisticsJournalOpen accessFirst authorCorresponding0 citations10.3923/ajms.2016.6.10

On the Determination of Cycles and Randomness of Sunspot Series Using the Periodogram

2013Journal of Mathematics ResearchJournalOpen accessFirst authorCorresponding1 citation10.5539/jmr.v5n1p102

Identification of cycles in sunspot numbers using percentage variance technique

2011American Journal of Scientific and Industrial ResearchJournalOpen accessFirst authorCorresponding2 citations10.5251/ajsir.2011.2.4.488.490

Journal of Mathematics Research1

Journals & Books Hosting (International Knowledge Sharing Platform)1

How it can be read

100% free to read

Diamond 8 · 73%Free to read and to publish
Hybrid 1 · 9%Open in a subscription journal
Bronze 1 · 9%Free to read, no open licence
Green 1 · 9%A copy in a repository

Open access · Bronze

Identification of correlation structure using rotated factor loadings

International Journal of Advanced Statistics and Probability3

20171 citationOpen access · Diamond

Mixed Seasonal and Subset Fourier Model with Seasonal Harmonics

Science Journal of Applied Mathematics and Statistics13

20171 citationOpen access · Diamond