Mathematics: Recent submissions

Now showing items 21-40 of 130

TWO HETEROGENEOUS SERVERS MARKOVIAN QUEUE WITH IMPATIENT CUSTOMERS, SYNCHRONOUS VACATIONS AND N-POLICY ON SLOW SERVER

FIROMSA AHMEDNUR TESFAYE; Seleshi Demie (PhD); Getachew Teshome (PhD) (Haramaya University, 2023-03)

In this thesis two heterogeneous servers Markovian queue with server states dependent customers’ impatience (balking and reneging), synchronous vacations and N-Policy on slow server is examined. Whenever a customer arrives ...
AUGMENTED LAGRANGIAN METHOD FOR SOLVING INEQUALITY CONSTRAINED NONLINEAR MIN-MAX OPTIMIZATION PROBLEMS

WUBALEM SHIGUTE DOBAMO; Getinet Alemayehu (PhD); Melisew Tefera (PhD) (Haramaya University, 2021-10)

In this project work nonlinear min-max optimization problems subject to inequality constraints were considered. The objective of this project work was to find an approximate solution of min-max optimization problems ...
EXPONENTIALLY FITTED FINITE DIFFERENCE SCHEME FOR SOLVING SINGULARLY PERTURBED DELAY DIFFERENTIAL EQUATIONS WITH SMALL AND LARGE DELAYS

ISKENDER SAID GELETU; Melisew Tefera Belachew (PhD); Getachew Teshome (PhD) (Haramaya University, 2021-07)

The main objective of this project is to study exponentially fitted finite difference method, develop stable, convergent and demonstrate the efficient numerical method for solving singularly perturbed differential ...
A COMPARATIVE STUDY FOR SOLVING FIRST ORDER LOGISTIC EQUATIONS BY USING STANDARD AND NON-STANDARD FINITE DIFFERENCE METHODS

Temesgen Osro Ayano; Temesgen Osro Ayano (Haramaya University, 2020-06)

Logistic equations are mostly used to model real life problems. However it is known that in general, these equations do not have analytic solution. For that reason, researchers have tried to solve these problems by ...
MATHEMATICAL MODELING OF TYPHOID FEVER WITH DRUG RESISTANCE COMPARTMENT

Bahmud Geleto Bedaso; (Ph.D.) Getachew Teshome; (Ph.D.) Seleshi Demie (Haramaya University, 2021-01)

In this thesis work, we formulated a deterministic mathematical model of Typhoid fever to describe the transmission dynamics of Typhoid fever and for the purpose of studying the effects of drug resistance on controlling ...
IMPLEMENTING INQUIRY BASED LEARNING TO ENHANCE GRADE 10 STUDENTS PROBLEM SOLVING SKILLS IN QUADRATIC INEQUALITIES: THE CASE OF DEGOLO PREPARATORY AND GENERAL SECONDARY SCHOOL, JAMMAWOREDA, AMHARA REGIONAL STATE

Menberu Wale; Dr. GetinetAlemayehu (PhD); Dr. GetachewTeshome (PhD) (Haramaya University, Haramaya, 2022-11)

The main purpose of this study was to investigate the implementation of inquiry based learning strategy to enhance grade 10 students’ problem solving skills inquadratic inequalities. The study was conducted in Degolo ...
CROWDING DISTANCE BASED NON-DOMINATED SORTING GENETIC ALGORITHM II FOR MULTI-OBJECTIVE OPTIMIZATION

Fadlu Haseno Abduselam; (Ph.D.) Getinet Alemayehu; (Ph.D.) Melisew Tefera (Haramaya University, 2023-02)

Generating Pareto front of multi-objective optimization problems is a difficult task, it needs to simultaneously optimize multiple conflicting objectives. This thesis improves the crowding distance operator of the NSGA-II ...
FACTORS THAT HINDER VISUALLY AND AUDITORY IMPAIRED STUDENTS IN LEARNING MATHEMATICS OF THREE SCHOOLS OF DEBRE MARKOS TOWN

Teshome Gashaw (Haramaya University, 2020-06)

The main purpose of this thesis was to assess the factors that hinder visually and auditory impaired students in learning mathematics of the three schools of Debre Markos town. The study was conducted at three Debre Markos ...
SOME RESULTS ON GENERALIZED REVERSE DERIVATIONS ON PRIME NEAR RINGS WITH SEMIGROUP IDEALS

TADESSE YACOOB; Phool Miyan (PhD; Seleshi Demie (PhD) (Haramaya University, 2022)

The principal purpose of this thesis is to extend results from reverse derivation prime rings to generalized reverse derivations on prime near rings in the setting of semigroup ideals and discuss conditions under which ...
MODIFIED ADOMIAN DECOMPOSITION METHOD FOR ANALYZING THE DYNAMICS OF COVID-19 WITH DOUBLE DOSE VACCINATION

DELELEGN LIRANSO AYANO; Melisew Tefera (PhD); Getachew Teshome (PhD) (HARAMAYA UNIVERSITY, 2022)

In this thesis a deterministic mathematical model for COVID-19 with double dose vac- cination is developed and analyzed by using Modi ed Adomian Decomposition Method (MADM). To conduct the objective, secondary recent ...
HOMOTOPY PERTURBATION TRANSFORM METHOD FOR ANALYZING THE DYNAMICS OF DENGUE DISEASE

AJEBUSH W/MICHAEL MEGISO; Melisew Tefera(PhD); Getachew Teshome(PhD) (HARAMAYA UNIVERSITY, 2022)

In this thesis, a new deterministic model for the Dengue disease is developed and analyzed with the homotopy perturbation transform method. The model comprises six compartments namely human population susceptible class ...
MATHEMATICAL MODELING OF BACTERIAL MENINGITIS TRANSMISSION DYNAMICS: THE CASE OF ETHIOPIA

Solomon Aredo; Getachew Teshome (PhD); Seleshi Demie (PhD) (Haramaya University, 2022-01)

Bacterial meningitis caused by Neisseria meningitides (Nm) is of particular concern due to its potential to cause large epidemics, causing severe brain damage and fatality. Meningitis can occur at any age but it has ...
THE EFFECT OF PROBLEM SOLVING APPROACH ON EXAM ANXIETY, SELF-EFFICACY AND MATHEMATICS PERFORMANCE: THE CASE OF PREPARATORY SCHOOL IN ADDIS ABABA

Teka Tesfaye, Asmelash; Alemayehu, Dr. Getinet; Demie, Dr Seleshi (Haramaya University, 2022-01)

This study sought to determine the effect of the problem-solving approach and processes to reduce student`s exam anxiety and improve self-efficacy on the academic performance in Mathematics in twelve’s grade of preparatory ...
HAAR WAVELET COLLOCATION METHOD FOR SOLVING LINEAR VOLTERRA AND FREDHOLM INTEGRAL EQUATIONS

Abdujebar Essa, Mohammed (Haramaya University, 2021-09)

The main purpose of this project is to obtain the numerical solution of linear volterra and fredholm integral equations by using Haar wavelet collocation method. Specifically, a numerical solution of the second kind of ...
A SINGLE SERVER MARKOVIAN QUEUE WITH SINGLE WORKING VACATION AND STATE DEPENDENT RETENTION OF RENEGED CUSTOMERS

Idris Ahmed, Fuad (Haramaya University, 2021-09)

In this thesis an infinite capacity single server Markovian queuing system with single working vacation, reneging and retention of reneged customers is examined. Whenever a customer arrives at the system, it activates ...
TRANSIENT ANALYSIS OF MARKOVIAN QUEUE WITH MULTIPLE WORKING VACATIONS AND IMPATIENT CUSTOMERS UNDER BERNOULLI SCHEDULE VACATION INTERRUPTION

Mohammed Hassen, Ebsa (Haramaya University, 2021)

In this thesis transient analysis of an infinite capacity of M/M/1 queue with multiple working vacations, balking and reneging under Bernoulli schedule vacation interruption was analyzed. Whenever the system becomes ...
ACCELERATING COMPONENTS INFORMATION BASED PARTICLE SWARM OPTIMIZATION WITH TIME VARYING ACCELERATION COEFFICIENTS

Mustefa Ibrahim, Aneso (Haramaya University, 2021-08)

Time to time, many researchers have suggested modifications to the standard parti cle swarm optimization to find good solutions faster than the evolutionary algorithms. However, it may fall into local optimum (premature ...
A COMPARATIVE STUDY OF PARTICLE SWARM OPTIMIZATION AND GENETIC ALGORITHMS FOR SOLVING BINARY INTEGER LINEAR PROGRAMMING PROBLEMS

Shambel Dubale, Wubalech (Haramaya University, 2022)

The main objective of this project is to study and compare the quality solution and convergence speed of the two evolutionary algorithms; genetic algorithms and particle swarm optimization by solving binary integer ...
PARTICLE SWARM OPTIMIZATION BASED ON PARTICLE MEAN DIMENSIONS WITH ELIMINATING VELOCITY COMPONENTS

Mohammed Sani, Kadir (Haramaya University, 2022)

Premature convergence is the chief difficulty in solving hard optimization problems for most particle swarm optimization variants. To address this issue, a particle swarm optimization based on particle mean dimension ...

Now showing items 21-40 of 130

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