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Jafari, Hossein; Sun, Hong G; Azadi, Marzieh(2020-12-11)
Abstract
Lie symmetry analysis is achieved on a new system of coupled KdV equations with fractional order, which arise in the analysis of several problems in theoretical physics and numerous scientific ...
Kasereka Kabunga, Selain; Doungmo Goufo, Emile F; Ho Tuong, Vinh(2020-11-16)
Abstract
According to the World Health Organization reports, tuberculosis (TB) remains one of the top 10 deadly diseases of recent decades in the world. In this paper, we present the modeling, analysis and simulation of ...
Comparatively, HIV like most viruses is very minute, unadorned organism which cannot
reproduce unaided. It remains the most deadly disease which has ever hit the planet
since the last three decades. The spread of HIV has ...
Mathematical modeling of the spread of infectious diseases in a population has always been recognized as a powerful tool that can help decision-makers understand how a disease evolves over time. With the evolution of science ...
The research will analyze and compare the current research on the spectral
factorization of non-singular and singular matrices. We show that a nonsingular non-scalar matrix A can be written as a product A = BC where the ...
In this dissertation we apply linear evolution equations to the Newtonian derivative, Caputo
time fractional derivative and $-time fractional derivative. It is notable that the
most utilized fractional order derivatives ...
Abstract
This paper seeks to unveil the niche of delay differential equation in harmonizing low HIV viral haul and thereby articulating the adopted model, to delve into structured treatment interruptions. Therefore, an ...
The present International Celestial Reference Frame (ICRF), the ICRF-3 is based
on a catalogue of 4536 quasar positions obtained from Very Long Baseline Interferometry
(VLBI) radio measurements. This radio frame is crucial ...
Abstract
In this paper, the sine-Gordon expansion method is used to obtain analytical solutions of the conformable space-time generalized reaction Duffing model and conformable space-time Eckhaus equation ...
Linear Evolution Equations (LEE) have been studied extensively over many years. Their extension in the field of fractional calculus have been defined by Dαu(x, t) = Au(x, t), where α is the fractional order and Dα is a ...
The purpose of this study is to investigate physics teachers’ (TPCK) and their learners’ achievement in electricity. A purposive sample of 42 Grade 11 physics teachers and 1423 learners participated in the study. An ...
Abstract
Li et al. (SIAM J. Sci. Comput. 20:719–738, 1998) used the moving mesh partial differential equation (MMPDE) to solve a scaled Fisher’s equation and the initial condition consisting of an exponential ...
In this dissertation, we use the Natural transform decomposition method to obtain approximate
analytical solution of fractional differential equations. This technique is a combination
of decomposition methods and natural ...
Abstract
The economic order quantity (EOQ) model describes the quantity that minimizes the aggregate sum of all cost functions. We propose an assembly for EOQ, nonlinear local fractional differential models ...
In his study of spectra of f-rings via pointfree topology, Banaschewski [6] considers lattices of l-ideals, radical l-ideals, and saturated l-ideals of a given f-ring A. In each case he shows that the lattice of each of ...
Some Epidemic models with fractional derivatives were proved to be well-defined, well-posed and more accurate [34, 51, 116], compared to models with the conventional derivative. An Ebola epidemic model with non-linear ...
In this thesis, a mathematical model for HIV and TB co-infection with TB
treatment among populations of Ethiopia is developed and analyzed. The
TB model includes an age of infection. We compute the basic reproduction
numbers ...
Which matrices can be written as sums or products of square-zero matrices? This
question is the central premise of this dissertation. Over the past 25 years a signi -
cant body of research on products and linear combinations ...
The mildly active nuclear region in the galaxy M81 (henceforth, M81‹) is one of
the nearest low-luminosity active galactic nuclei (LLAGN) whose structure is marginally
resolved when probed with Very Long Baseline ...
The first few chapters of the dissertation will catalogue what is known regarding z-ideals in
commutative rings with identity. Some special attention will be paid to z-ideals in function
rings to show how the presence ...