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Latest scholarly publications
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Article
Ktrend - International Journal of Mathematics and Statistics (IJMS) · 2026
Existence of a Stochastic Model of an Age-Structured Deterministic Model of Diphtheria Infection
In this research, a stochastic model is developed and analysed for the age structured deterministic model of diphtheria infection. The model includes specific epidemiological classes such as $S_{1}$ Susceptible infant at time $t$ (0-1years), $S_{2}$, Suscepti…
Conference
The 1st Ktrend National Conference on Science, Innovation and Sustainable Development · 2026
AWARENESS AND BEHAVIORAL RESPONSES TO PUBLIC HEALTH INTERVENTIONS FOR HYPERTENSION PREVENTION AMONG PATIENTS IN EDO STATE, NIGERIA
Hypertension has continued to significantly affect morbidity and mortality rate, especially in developing countries like Nigeria. This study assessed Awareness and Behavioral Responses to Public Health Interventions for Hypertension Prevention among Patients …
Article
Ktrend - International Journal of Computational Mathematics and Scientific Computing · 2026
Frequency–Phase Response of a Periodically Forced Two-Species Lotka–Volterra Competition Model
Periodic forcing is a standard feature of ecological competition models, but the response of a coexistence state is often summarized by numerical trajectories or by a high-frequency approximation. We derive two complementary diagnostics for a two-species Lotk…
Article
Ktrend – Nigerian Journal of Mathematical and Computational Sciences · 2026
Structural Properties of Suborbital Graphs under Product Actions of Wreath Products
This paper examines the suborbital graphs generated by the product actions of the wreath products $S_m \wr S_n$, $A_m \wr S_n$, $C_m \wr S_n$, and $D_{2m} \wr S_n$ on the Cartesian power $X^n$. Using permutation group theory, orbit and stabilizer analysis, co…
Article
African Journal of Mathematics, Statistics and Computer Science · 2026
A Hybrid Error Estimator for Finite Difference and Variational Iteration Methods via Operator Theory
This paper proposes a unified operator-theoretic framework for analyzing the Finite Difference Method (FDM) and the Variational Iteration Method (VIM) for solving nonlinear second-order boundary value problems (BVPs). The VIM iteration is interpreted as a Pic…
Article
Ktrend - International Journal of Computational Mathematics and Scientific Computing · 2026
Projection and Proximal Operators in Image Denoising
Image denoising is a classical inverse problem in which the recovery of a clean image from its noisy observation is complicated by ill-posedness. This paper develops a functional-analytic framework in which a broad class of denoising methods is expressed as t…
Article
Ktrend - International Journal of Computational Mathematics and Scientific Computing · 2026
Exact regret envelopes for commitment-constrained manufacturing under joint capacity stress
A feasible manufacturing adjustment can preserve mandatory commitments while losing most of the contribution attainable through reoptimization. This paper studies nominal-surplus scaling under simultaneous capacity losses and increasing production floors. For…
Article
KnowledgeTrend Journal · 2026
Certified bottleneck transitions and balanced capacity upgrades in robust production–distribution networks
Manufacturing resources and shipping routes can constrain the same customer commitment, making both uncertainty audits and capacity spending sensitive to changing bottlenecks. This paper develops a certified production–distribution analysis under a static unc…
Article
Ktrend - International Journal of Mathematics and Statistics (IJMS) · 2026
Perturbation-stable failure and weighted dual repair for harmonic-mean transportation allocations
Harmonic-mean transportation rules can generate feasible schedules without providing a cost guarantee. This paper studies the rule that selects the active row or column of largest harmonic mean and allocates to its cheapest cell. An explicit positive-cost fam…
Article
Ktrend - International Journal of Mathematics and Statistics (IJMS) · 2026
Forecasting the Naira–Pound Sterling Exchange Rate: A Comparative Analysis of ARIMA, ARIMAX and ARIMA-GARCH Models
Accurate exchange-rate forecasting is important for financial planning, international trade, investment decisions and macroeconomic management. This study develops and compares three time-series forecasting approaches for the Naira–Pound Sterling exchan…
Article
Ktrend – Nigerian Journal of Mathematical and Computational Sciences · 2026
Mathematical Analysis of a Stochastic SEIARV Model for COVID-19 Disease Transmission with Intervention
This study presents a stochastic SEIARV model for analysing COVID-19 transmission and vaccination intervention. The model incorporates symptomatic and asymptomatic infectious individuals, demographic recruitment and mortality, disease-induced mortality, incom…
Article
African Journal of Mathematics, Statistics and Computer Science · 2026
Stability Thresholds and Bounded Hybrid Neural Modifiers in a Fractional HIV–CD4+ T-Cell Model
A commensurate Caputo model of HIV infection of CD4+ T cells is analysed by separating biologically admissible equilibria from algebraic roots. Building on the fractional model of Okeke et al. [1] and the hybrid activation construction of Essang et al. [2], t…
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