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Applied Mathematics (AM) is an international journal dedicated to the latest advancements in applied mathematics. The goal of this journal is to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of applied mathema…
Guoying Liu, Shuanghao Chen, Jing Xiong, Qingju Jiao
The detection of Oracle Bone Inscriptions (OBIs) is one of the most fundamental tasks in the study of Oracle Bone, which aims to locate the positions of OBIs on rubbing images. The existing methods are based on the scheme of anchor boxes, involving complex ne…
Moussa Seydou, Ousmane Moussa Tessa
In this article, we consider the construction of a SVIR (Susceptible, Vaccinated, Infected, Recovered) stochastic compartmental model of measles. We prove that the deterministic solution is asymptotically the average of the stochastic solution in the case of…
Askar Akaev, Viktor Sadovnichiy
The aim of this study was to develop an adequate mathematical model for long-term forecasting of technological progress and economic growth in the digital age (2020-2050). In addition, the task was to develop a model for forecast calculations of labor product…
William Menke
Generalized Least Squares (least squares with prior information) requires the correct assignment of two prior covariance matrices: one associated with the uncertainty of measurements; the other with the uncertainty of prior information. These assignments ofte…
V. L. Busov
Within the framework of a discrete model of the nuclei of linear and planar defects, the variational principles of sliding in translational and rotational plasticity, fracture by separation (cleavage) and shear (shearing) in crystalline materials are consider…
Alhussein Mohamed, Khalid Ahmed Abbakar, Abuzar Awad, Omer Khalil, Bechir Mahamat Acyl, Abdoulaye Ali Youssouf, Mohammed Mousa
In this paper, we study the positive radial solutions for elliptic systems to the nonlinear BVP: , where Δ u = div ( ∇ u ) and Δ v = div ( ∇ v ) are the Laplacian of u , λ is a positive parameter, Ω = { x ∈ R n : N > 2, | x | > r 0 , r 0 > 0}…
Rômulo D. C. Santos, Sílvio M. A. Gama
In this paper, we investigate the thermal and turbulent behaviour of incompressible Newtonian flow, by numerical simulation, combining two physical phenomena, namely, the heat-transfer by mixed convection and the onset of turbulence, around different isotherm…
Xiaolin Zeng, Tingzeng Wu
The Lanzhou index of a graph G is defined as the sum of the product between and square of d u over all vertices u of G , where d u and are respectively the degree of u in G and the degree of u in the complement graph of G . R ( G ) is obtained from G by addin…
W. E. Ahmed, 1 1
As it is known, Binomial expansion, De Moivre’s formula, and Euler’s formula are suitable methods for computing the powers of a complex number, but to compute the powers of an octonion number in easy way, we need to derive suitable formulas from these methods…
I. Lazzizzera, 1 1
The SIR(D) epidemiological model is defined through a system of transcendental equations, not solvable by elementary functions. In the present paper those equations are successfully replaced by approximate ones, whose solutions are given explicitly in terms o…
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Applied Mathematics (AM) is an international journal dedicated to the latest advancements in applied mathematics. The goal of this journal is to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of applied mathema… All articles are open access under a CC BY 4.0 licence, with authors retaining copyright.
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