General Letters in Mathematics

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European Option Pricing of Fractional Black-Scholes Model Using Sumudu Transform and its Derivatives

Waseem Asghar Khan , Faryal Aijaz Ansari

In this work an analytical solution of Fractional Black-Scholes European option pricing equation is solved.The analytical solution is based on Sumudu Transform and its differential and integral properties.The obtained solution is presented in the form of Fractional Taylor series with easily computable ...

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On the Effect of Stochastic Extra Contribution on Optimal Investment Strategies for Stochastic Salary Under the Affine Interest Rate Model in a DC pension Fund

Bright O. Osu , Edikan E. Akpanibah , Njoku K. N. C

The essence of this research is to study the optimal investment strategy for a plan contributor in a defined contribution (DC) pension scheme, with stochastic salary and stochastic extra contribution, under the affine interest rate model. We considered the Nigerian Pension Reform Act of 2004 which allow ...

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Systems Theory: An Approach to Mass-Damper-Spring and Mass-Nondamper-Spring Systems

J. Sunday

The concept of systems theory has been applied in various disciplines to analyze systems in such disciplines. In this research, systems theory was employed to model, analyze and study the natures of some problems in mass-spring systems. Mass-spring systems are second order linear differential equations ...

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A Model of Oral and Parenteral Drug Administration with Control

Nzerem, F.E , Ugorji H.C

Drug administration is largely a frontier in pharmacokinetics and pharmacodynamics. Kinetics and dynamics are of science in general, and therefore issues on drug administration may be of interdisciplinary interest. This paper treated pharmacokinetics from the standpoints of a subject-specific drug administration ...

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Forecasting Wholesale Prices of Maize in Tanzania Using Arima Model

Shadrack Elia Kibona , Maurice Chakusaga Mbago

This paper aimed at modeling and forecasting wholesale prices of maize in Tanzania using Autoregressive Integrated Moving average model for data from February 2004 to August 2017 obtained from the Bank of Tanzania. Maize crop growers lack fundamental knowledge on which periods do prices of their harvests ...

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Mathematical Modeling of Transmission Dynamics and Optimal Control of Isolation, Vaccination and Treatment for Hepatitis B Virus

Akanni John Olajide , Abidemi Afeez , Jenyo Opeyemi Oluwaseun , Akinpelu Folake O.

In this paper we formulate an SEICR (Susceptible- Exposed- Infective- Carrier- Recovered) model of Hepatitis B Virus (HBV) disease transmission with constant recruitment. The threshold parameter R0 <1, known as the Basic Reproduction Number was found. This model has two equilibria, disease-free equilibrium ...

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Building a three-dimensional maritime transport model to find the best solution by using the heuristic algorithm

Basher. F. Mohammed , Obaid Mahmmood Mohsin Alzawbaee , Altaiyb Omer Ahmed Mohmmed

The aim of this research is to construct a three-dimensional maritime transport model to transport nonhomogeneous goods (k) and different transport modes (v) from their sources (i) to their destinations (j), while limiting the optimum quantities v ijkx to be transported at the lowest possible cost v ...

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Forecasting international tourist arrivals in zanzibar using box – jenkins SARIMA model

Zulkifr Abdallah Msofe , Maurice Chakusaga Mbago

The arrival of international tourists contributes to the generation of foreign currencies and creates employment opportunities to the local people. Modelling and forecasting tourist arrivals plays a major role in tourism planning and marketing and therefore crucial for policy decision-making towards ...

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Identifying factors influencing decision making using logistic regression

Obaid Mahmmood Mohsin Al Zawbaee , Hassan Mstafa Tabra

The issue of decision-making is one of the important issues in modern management because of its impact on individuals, communities and countries, as most of the problems faced by individuals, communities and countries result from making incorrect decisions. The evolution of management science and the ...

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Optimal models for estimating future infected cases of COVID-19 in Oman

Ahmed Al-Siyabi , Mehiddin Al-Baali , Anton Purnama

The recent coronavirus disease 2019 (COVID-19) outbreak is of high importance in research topics due to its fast spreading and high rate of infections across the world. In this paper, we test certain optimal models of forecasting daily new cases of COVID-19 in Oman. It is based on solving a certain nonlinear ...

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