Vol. 12 No. 1 (2026) | International Journal of Mathematical Sciences and Optimization: Theory and Applications

Penalized Cox Regression and Its Application to Microarray Survival Data

F. A. Okolie, E. E. E. Akarawak, Olufolabo O. O.

1 - 10

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Stability Analysis of the Mathematical Modelling of Folate Cycle and DNA Methylation

D. H. Aku

11 - 31

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Dufour and Soret Effects on Convective Flow of Chemically-Reacting Fluid with Heat Generation, Variable Surface Temperature and Concentration

T. M. Asiru, J. A. Gbadeyan, H. A. Isede, P. I. Farayola, K. A. Salaudeen, B. A. Joseph

32 - 43

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Viscosity-Inertia Approximation Methods for Attractive Point of Finite Family Generalized Non Expansive Mapping

M. Buhari, S.F. Abubakar, S. Hamza, A. I. Garba

44 - 58

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Changepoint Detection in Multivariate Climate Time Series: Performance Assessment of Hybrid PELT+RF Against Baseline PELT

A. A. Ademuwagun, H. U. Yahaya, S. O. Adams

59 - 83

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Klein-4 Group of Constructing Distinct Sets of Mutually Orthogonal Latin Squares of Order

A. J. Saka, R. A. Adetona, T. G. Jaíyéolá, K. A. Olurode, K. N. Odizilike

84 - 90

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Dissipative Hydromagnetic Flow of an Arrhenius Fluid with Variable Properties under No-Slip Boundary Conditions

A. Adeniyan, S. A. Odunlami, E. O. Fatunmbi

91 - 103

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Combined Effects of Anisotropic Permeability, Chemical Reaction, and Dual Stratifications on Unsteady Free Convection Around a Vertical Circular Cylinder

A. Adeniyan, Q. O. Rauf, A. T. Tiamiyu

104 - 128

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Ratio Estimation of Population Proportion With Optimality in Presence of Non-Response

M. Cherotich, D. A. Alilah, E. Okuto

129 - 142

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Fixed Point Results for Some Enriched Contractions in Convex B-Metric Spaces

S. Yakubu, I. G. Bassi, M. A. Mbah, H. Ibrahim

143 - 150

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International Journal of Mathematical Sciences and Optimization: Theory and Applications
Journal / International Journal of Mathematical Sciences and Optimization: Theory and Applications / Vol. 12 No. 1 (2026) / Articles

Articles

Penalized Cox Regression and Its Application to Microarray Survival Data

Stability Analysis of the Mathematical Modelling of Folate Cycle and DNA Methylation

Dufour and Soret Effects on Convective Flow of Chemically-Reacting Fluid with Heat Generation, Variable Surface Temperature and Concentration

Viscosity-Inertia Approximation Methods for Attractive Point of Finite Family Generalized Non Expansive Mapping

Changepoint Detection in Multivariate Climate Time Series: Performance Assessment of Hybrid PELT+RF Against Baseline PELT

Klein-4 Group of Constructing Distinct Sets of Mutually Orthogonal Latin Squares of Order

Dissipative Hydromagnetic Flow of an Arrhenius Fluid with Variable Properties under No-Slip Boundary Conditions

Combined Effects of Anisotropic Permeability, Chemical Reaction, and Dual Stratifications on Unsteady Free Convection Around a Vertical Circular Cylinder

Ratio Estimation of Population Proportion With Optimality in Presence of Non-Response

Fixed Point Results for Some Enriched Contractions in Convex B-Metric Spaces

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