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Browsing Mathematics by Title

Browsing Mathematics by Title

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  • Woldegeorgis, Cherkos (Addis Ababa University, 2015-06)
    The main objectives of the present study are to conduct detailed investigations on population status, activity budget, foraging and ranging patterns of geladas living in the Gich area of the Simien Mountains National ...
  • Belayneh, Tilahun (Addis Ababa University, 2014-08)
    In this paper we study the aging spring equation without damping X= (t) + e−at+b x(t)=0 , or the most general one with damping (t) + dx= (t) + e−at x(t)=0 which is a special cases of homogeneous linear second order ODE ...
  • Tsige, Bedilu (Addis Ababa University, 2013-07-24)
    In this project basically theory and algorithms for a single commodity ow problems simultaneously optimizing two objectives ( Biobjective ) are addressed. For both con- tinuous and integer case methods like Biobjective ...
  • Kifle, Fikadu (Addis Ababa University, 2017-06)
    Protections of stored products from insect pests using resistant varieties and botanicals have been utilized for centuries. Studies were conducted to evaluate different botanicals and local common bean varieties against ...
  • Adefris, Addisu (Addis Ababa University, 2017-08)
    A differential equation is the most important part of mathematics for understanding many of the basic laws of physical sciences as well as other sciences. Some of the laws are formulated in terms of mathematical equations ...
  • Amare, Zeleke (Addis Ababa University, 2011-01)
    A differential equation is the most important part of mathematics for understanding many of the basic laws of physical sciences as well as other sciences. Some of the laws are formulated interms of mathematical equations ...
  • Zeleke, Beza (Addis Ababa University, 2012-01)
    The Cauchy-Bochner integral representation is extended to holomorphic function of several complex variables belonging to the spaceHs of the collection of generalized functions. The Cauchy-kernel is holomorphic in a tubular ...
  • Admasu, Muluken (Addis Ababa University, 2012-02)
    This paper addresses the dependency of solution of differential equation on initial data and control parameter. To reduce the dimension of the system, we use center manifold reduction method. Mainly, the paper focus on ...
  • Alemu, Dawit (Addis Ababa University, 2018-11-02)
    Textile industry sludge from zero liquid discharge treatment plant of industrial parks in Ethiopia faces environmental problem with no safe disposal options. One potential opportunity for the disposal of sludge is by ...
  • 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 ...
  • Hunegnaw, Dejene (Addis Ababa University, 2017-09)
    In this project we consider the structure of semi groups of self mapping of a semi group S under pointwise composition, generated by the endomorphisms of S. It is shown that,ifS is Clifford semi groups with underlying ...
  • Workalemahu, Kassahun (Addis Ababa University, 2018-01-05)
    The impact of climate change on human health, particularly through the potential increase in vector- and water-borne diseases, has received increasing attention in recent years. Environmental variables are known to a_ect ...
  • Aklilu, Essayas (Addis Ababa University, 2015-06)
    The aim of this study was to investigate and compare the bionomics, ecology and behaviors of the vector (s) of visceral leishmaniasis (VL) in two endemic and ecologically distinct areas of northwestern Ethiopia. This ...
  • Mohamed, Esmael (Addis Ababa University, 2015-08)
    Students are facing problem in understanding of what they are learning in mathematics lesson. There are a lot of students who are suffering from the conceptual change of mathematics. To conduct the study, a group circulation ...
  • Taye, Abebe (Addis Ababa University, 2014-06-27)
    In this Project some necessary and sucient optimality conditions for the weakly ecient solutions of vector optimization problems (VOP) with nite inequality constraints are shown by using constraints qualications in ...
  • Setargie, Abebe (Addis Ababa University, 2016-08)
    Quadratic programming is one of the types of . There is no single method available for solving quadratic programming problem. So a number of methods have been developed for solving quadratic programming problems. In this ...
  • Abraha, Teklebirhan (Addis Ababa University, 2011-01)
    We will present derivative free algorithms which optimize non-linear unconstrained optimization problems of the following kind: minxEnRmff (ff:R nn→R The algorithms developed for this type of problems are categorized ...
  • Yohannes, Flagot (Addis Ababa University, 2012-01)
    Let be a continuous function on, and suppose is a smooth nonlinear function. Such functions arise in many applications, and very often minimizers are points at whichis not differentiable. Of particular interest is the case ...
  • Buli, Bizuneh (Addis Ababa University, 2017-07-03)
    Background: Hospitals information system is a system for collecting, processing, analyzing, disseminating and using information about a patient health service and community health desires of the population. Hospital ...
  • Misgan, Yonathan (Addis Ababa University, 2020-06-04)
    Nowadays, in many domains, managing data according to local convention is required to be taken into account. Due to this, most of the existing system environments include the models for internationalization to allow developer ...

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