MPhil Thesis: Recent submissions

  • Study of Radicals and Semisimple Classes of Rings 
    Dey, Kalyan Kumar (University of Rajshahi, 2002)
    The concept of the radical of a ring was introduced by Artin for rings with the descending chain condition with a view to obtaining a nice structure theorem for the ring. The idea was to single out the Toblerone part, of ...
  • Analytical Methods to Investigate Exact Solutions for Space-Time Fractional Differential Equations Arising in the Real Physical Phenomena of Mathematical Physics and Biology 
    Rahman, Zillur (University of Rajshahi, Rajshahi, 2021)
    Fractional derivatives are most important to accurate nonlinear modeling of various real-world difficulties in applied nonlinear science and engineering incidents especially in the fields of crystal, optics and quantum ...
  • Investigation of the Soliton and Multi-soliton Solutions of nonlinear evolution equations In Mathematical Physics 
    Hossen, Md. Belal (University of Rajshahi, Rajshahi, 2020)
    Nonlinear evolution equations (NLEEs) play a noteworthy role in various scientific and engineering fields such as applied mathematics, plasma physics, fluid dynamics, optical fibers, biology, solid state physics, chemical ...
  • An analytical method for finding exact Traveling wave solutions of some nonlinear Evolution equations (nlees) in biological and Mathematical problems 
    Ullah, Mohammad Safi (University of Rajshahi, Rajshahi, 2021)
    Most of the natural happenings can be present by nonlinear modeling. The soliton theory is a highly effective section of nonlinear sciences that includes soliton, multi-soliton, rational, breather line, breather kinky, ...
  • A Study of Characterization of Some Regular Gamma Rings 
    Nazneen, Ayesha (University of Rajshahi, 2003)
    The present thesis entitled, "A Study of Characterization of Some Regular Gamma Rings " is the outcome of researches carried out by me under the close supervision of Dr. Akhil Chandra Paul, Professor, Department of ...
  • An Analytical and Numerical Study on Fixed Point Theorems 
    Asaduzzaman, Md. (University of Rajshahi, 2011)
    Fixed point theory has fascinated hundreds of researchers since 1922 with the celebrated Banach's fixed point theorem. There exists a vast literature on the topic and this is a very active field of research at present. Let ...
  • On Supra Fuzzy Topological Spaces 
    Hoque, Md. Fazlul (University of Rajshahi, 2011)
    The fundamental concept of a fuzzy set was introduced by L. A. Zadeh [111] in 1965 to provide a foundation for the development of many areas of knowledge. Consequently, this provides a natural frame work for generalizing ...
  • A Study on Oxygen Diffusion Through Living Tissues 
    Malek, Abdul (University of Rajshahi, 2009)
    A theoretical study of oxygen diffusion process through living tissues and its various consequences have been presented. In this aspect we have reviewed some physiological terms and fundamental lows of diffusion. A ...
  • On Ro and R1 Properties in Fuzzy Topological Spaces 
    Azam, S. M. Faqruddin Ali (University of Rajshahi, 2011)
    The goal of this thesis is to find out some new R1 -concepts for fuzzy topological spaces. Besides some concepts of fuzzy R0, R1, T0, T1, T2 and regular topological spaces that are already existing in the literature are ...
  • Study On Some Problems of Non-Newtonian Fluid Mechanics 
    Hossain, Md. Aslam (University of Rajshahi, 2010)
    This is an elaborate discussion of main theme ideas and the condition in "Fluid mechanics", which help us to realized a clear concept of the background and elements of various viscous Newtonian and non-Newtonian flow ...
  • Eulerian Method for Third Order Linear Systems 
    Haque, Md. Abdul (University of Rajshahi, 2003)
    In this thesis, we have studied the solutions of the various types of third order linear systems of ordinary differential equations. In chapter I, we have considered the third order linear homogeneous system with constant ...
  • On Some Universal Constructions for Fuzzy Topological Spaces 
    Rashid, Mohammed Harunor (University of Rajshahi, 2005)
    In this work, many known universal objects such as products, equalizers, pullbacks and their duals, namely, coproducts, coequalizers and pushouts for fuzzy topological spaces are studied in detail. Another known concept ...
  • Asymptotic Methods for some third order Nonlinear Differential Equations 
    Alam, Md. Shamsul (University of Rajshahi, 1995)
    In this thesis, we investigate the oscillations of third order nonlinear systems by the asymptotic method. The asymptotic method of Krylov-Bogoliubov-Mitropolskii (KBM) is a popular technigue for obtaining analytic solution ...
  • Some Topics in Fuzzy Topological Spaces 
    Hossain, Md. Sahadat (University of Rajshahi, 2004)
    The concept of fuzzy set was introduced by the American Mathematician L. A. Zadeh for the first time in 1965. This provides a natural framework for generalizing many algebraic and topological concepts in various directions. ...
  • A Study on Standard n-Ideals of a Lattice 
    Syeed, Ahmed, Abu Sadat (University of Rajshahi, 2014)
    This thesis studies the nature of standard n-ideals of a lattice. The idea of n-ideals in a lattice was first introduced by Cornish and Noor. For a fixed element n of a lattice L, a convex sublattice containing n is called ...
  • On Connectedness Concepts in Fuzzy Topological Spaces 
    Shayid, Md.Abu (University of Rajshahi, 2013)
    The goal of the thesis is to find out some new connectedness concepts in fuzzy topological spaces. Some concepts of connectedness in fuzzy topological spaces that already exist in the literature are recalled here also. In ...
  • Stability Analysis of Some Mathematical Models of Epidemics 
    Islam, Md. Saiful (University of Rajshahi, 2013)
    The spread of communicable diseases is often described mathematically by compartmental models. Many epidemiological models have a Disease Free Equilibrium (DFE) at which the population remains in the absence of disease. ...
  • A Theoretical Study on Some Aspects of Turbulent Flow 
    Sultana, Mst. Shamima (University of Rajshahi, 2003)
    The conception of turbulent flow and the accompanying transition from laminar to turbulent flow is of fundamental importance. In everyday life, we recognized three states of matter: solid, liquid and gas. Although different ...
  • Generalizations of Some Properties of Topological and Bitopological Spaces 
    Biswas, Sanjoy Kumar (University of Rajshahi, 2015)
    The thesis is concerned with generalizations of some important and interesting properties of topological and bitopological spaces in a span of four chapters. The first chapter constitutes an introduction and study of (i) ...
  • Separation Axioms on L-Topological Spaces 
    Islam, Rafiqul (University of Rajshahi, 2015)
    The notion of a fuzzy set, as proposed by L.A. Zadeh[90] in 1965 to provide a foundation for the evolution of many areas of knowledge. After then in quick succession, L-fuzzy sets were introduced by Goguen[24] in 1967. ...

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