Enhancing Agricultural Productivity in Nigeria Using a PPFApp Approach

Nigeria is a nation that is naturally blessed with both natural and human resources. However, the country is challenged with high rate of unemployment; even one of her economic sectors that is viable, which can greatly assist the growth of the economy is not receiving an adequate attention. This sector (Agricultural sector) couple with Information and Communication Technology (ICT) could help reduce the problem of unemployment and low agricultural produce to a bearable minimum. This paper proposes an integration of ICT into Agriculture by developing a mobile application known as Poultry and Piggery Farm application (PPFA) on android platform for livestock disease management (Poultry and Piggery). Sqlite was used to create the database for different diseases, likely symptoms and their respective clinical treatment. Java Programming language was employed for the creation of the interactive interface. The application was developed with Android Studio on Linux Fedora box, the hardware used was 8gb RAM, and 1Terabyte hardware. The application was deployed and tested on android 4.1, 4.2 and 4.3 jelly bean and Android 4.0 Ice Cream Sandwich. Keywords: Agriculture, ICT, PPFA, Nigeri

A Complete Market Model for Option Valuation

This paper is an introduction and survey of Black-Scholes Model as a complete model for Option Valuation. It is a Stochastic processes that represent diffusive dynamics, a common and improved modelling assumption for financial systems. As the markets are frictionless generally, it becomes very necessary for us to use a more convenient and complete method in order to avoid errors for computations. We include a review of Stochastic Differential equations(SDE), the -lemma which gives a clear picture of Log-normal distribution of a Geometrical Brownian Motion path and solution of Black- Scholes  Model Keywords: Stochastic Differential Equations, ’s lemma, tame and completeness of Black-Scholes Mode

An analytic function approach to weak mutually unbiased bases

yesQuantum systems with variables in Z(d) are considered, and three different structures are studied. The first is weak mutually unbiased bases, ... The second is maximal lines through the origin in the Z(d)×Z(d) phase space. The third is an analytic representation in the complex plane based on Theta functions, and their zeros. It is shown that there is a correspondence (triality) that links strongly these three apparently different structures. For simplicity, the case where d=p1×p2, where p1,p2 are odd prime numbers different from each other, is considered.The full text will be available 12 months after publicatio

Mathematical modeling of the recent spread of diseases in metapopulation systems : the case of Ebola virus in West Africa and Zika virus in South America

In this time of global health issues, there are out there many viruses that are shaking the world, including the chikungunya virus, human immunodeficiency virus, corona virus, ebola virus and zika virus. A metapopulation model describing the spread of Ebola virus disease (EVD) between two patches is developed. Disease susceptible individuals moving from one patch into the other patch, with entries into each of the patch as population grow. Due to migration into the patch and birth, with assumption that birth rate and death rate constant. We also considered movement between the infected individual, amongst patches. Ebola Virus Disease (EVD), is a very contagious and highly infectious disease which spread is determined by the number of secondary contacts of an infectious individual moving from one community to another. We show that the metapopulation model is non-negative, providing condition for stability of the disease at disease free equilibrium (DFE). Which is said to be linearly stable if R0 1. We also developed and analyzed a metapopulation mathematical model of Zika Virus disease (ZVD) transmission dynamics in linked communities, with movement parameter related to the two patches. With assumption that Zika infected individuals do not migrate, we express the reproduction number representing the biological parameter involved in rate of secondary infection of Zika Virus Disease (ZVD) in both patches. Stability analysis is performed after which we consider four preventive measures such as personal protective measures, use of indoor residual spray, responsiveness to health guidelines and health awareness and the prevention of movement from one infected community to another. Numerical simulations are performed and show compartment dynamics that concur with the analysis.Mathematical SciencesPh. D. (Applied Mathematics

Effective pulse compression in photonic crystal fibers with linearly varying dispersion and nonlinearity

We demonstrate effective pulse compression in photonic crystal fibers with linearly decreasing dispersion and linearly increasing nonlinearity. ? 2014 OSA.EI

Social Integration Challenges : From the Perspectives of International Students in Visby, Gotland.

In a world that is fraught with changing paradigms, we transverse its length and breadth in search of meanings and explanations to its social dynamism with a view to broadening our understanding thereby making sense out of all the confusions. This qualitative study seeks to investigate social integration challenges confronting international students within Visby, Gotland. The study is based on Maslow’s Hierarchy of needs theory using the concept of Basic Needs, safety, Belongingness, Participation, Acceptance, and fulfillment to investigate the challenges of social integration. The study adopts qualitative methodology with the use of a semi-structured interview as a data collection method through a purposeful sample size selection of 12 respondents who are international students from a non – EU extraction. Data were analyzed through thematic analysis. The study came up with five findings, namely: Language Barrier, COVID 19, Sense of Isolation, Period of Study, and lack of registration number as the most visible challenges. The empirical findings corroborate with Maslow’s Hierarchy of needs theoretical postulations. The benefits and recommendations of the findings can serve as a guide for policymakers on how to enhance international student integration in the future