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Browsing Mathematics by Issue Date

Browsing Mathematics by Issue Date

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  • Kalayu, Berhe (Addis Ababa University, 2011-01)
    This paper is devoted to integral representation for solutions of elliptic differential operators. Given Ω an open bounded domain in Rn≥2, with a smooth boundary Ω, and an elliptic differential operator,Uis a function ...
  • Shimelis, Biniyam (Addis Ababa University, 2011-01)
    The most important in the theory of harmonic functions is that of finding a harmonic function with given boundary values; it is known as the Dirichlet problem. The Dirichlet problem consists in determining all regionsG ...
  • Kifle, Dereje (Addis Ababa University, 2011-01)
    The complete set of this project is about feed – forward networks. The realization of Boolean function for linearly separable problem by a single perceptron is possible. The problem is that how the non-linearly separable ...
  • Shitiye, Fikremariam (Addis Ababa University, 2011-01)
    In This Project We Study The Existence Of Some Positive, Periodic Solutions Of Systems Of Functional Differential Equations. In The First Topic We Introduce The Delay Differential Equations From The Simple Ordinary ...
  • Yemane, Gediyon (Addis Ababa University, 2011-01)
    This project is a reading material in all Complex Analysis. It deals mainly with the class of Analytic Functions on an open set G. Our purpose is to describe this class of analytic functions is complete metric space with ...
  • Derso, Getachew (Addis Ababa University, 2011-01)
    The four-color theorem states that any planar graph G = (V, E) can be properly colored using at most four colors. The attempt to prove this famous mathematical problem gave rise to the development of many tools for solving ...
  • Adhena, Haftu (Addis Ababa University, 2011-01)
    In this project we discussed the maximum principle for elliptic equations state several theorems, corollaries, and give a number of examples. Although the maximum principle for Laplace's and some other equations has been ...
  • Woudaj, Hailemichael (Addis Ababa University, 2011-01)
    In this paper, we will observe how to find the spanning trees of a graph and the methods that we use to calculate. The methods that we use for calculating the spanning tree of the graph are deletion and contraction, matrix ...
  • Tesfaye, Kassahun (Addis Ababa University, 2011-01)
    The purpose of the study was to investigate Neural Networks in general and Recurrent Neural Network in particular. The investigation was to construct a model that shows the complex data processing of these Neural Networks ...
  • Mohammed, Jemal (Addis Ababa University, 2011-01)
    Ordered trees are trees with a distinguished vertex called the root where the children of each internal vertex are linearly ordered. K-trees generalize ordered trees in the sense that ordered trees are 2-trees in which ...
  • Abebe, Legesse (Addis Ababa University, 2011-01)
    Let be a field and given a polynomials inK(x1,x2,...Xn)2 K(X1X2......NK)], we can define an affine varieties in and ideals in a polynomials ring1 ,2 ,. . .]. This project considers the polynomial functions on a variety. ...
  • Cherkos, Meseret (Addis Ababa University, 2011-01-25)
    This project is based on equations that allow us to compute the value of a function recursively from a given set of values. In the main, Hartman-Grobman theorem is proved by using different lemmas and other theorems. ...
  • Gebrehiwot, Kibrom (Addis Ababa University, 2011-01-25)
    The purpose of this study is an attempt to explore sufficient condition for the convergence of Riemann integrable functions on any positive linear functional. The Arzela dominated convergence theorem holds for the Riemann ...
  • Teshale, Natnael (Addis Ababa University, 2011-02)
  • Fantahun, Adane (Addis Ababa University, 2011-02)
    This project work contains two parts: sobolev spaces and application to elliptic partial differential equations. The theory of sobolev space has been originated by Russian mathematics S.L sobolev around 1938. These ...
  • Beyene, Fufa (Addis Ababa University, 2011-02)
    This project is all about a survey of Fine numbers which is intimately related to the Catalan numbers. Two manifestations are the identity and the generating function identities The project also gives a unified presentation ...
  • Kebede, Meresa (Addis Ababa University, 2011-06)
    In this paper we sketch the connection of Boolean algebra and Boolean rings and concept of Boolean near rings with identity to construct a class of Boolean near rings called special Boolean near ring for which it fails to ...
  • Tsegaye, Temesgen (Addis Ababa University, 2011-06)
    Fixed Charge Network Flow Problem (FCNFP) is a well known NP-hard problem. It has a wide spectrum of applications. Among them are problems in network design, scheduling, production planning, supply chain and transportation ...
  • Kuma, Yetneberk (Addis Ababa University, 2011-06)
    This project is conserned with a network and its applications. The project begins with pre-concepts of graph theory and focuses on one of the the well known application of graph theory called networks. The project on its ...
  • Bewket, Damtew (Addis Ababa University, 2011-06)
    This project is about the formulation and main theorems of percolation theory. It was introduced by Broadbent and Hamersley as a model for the flow of fluids in porous media and it is primarily concerned with the existence ...

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