Now showing items 1-11 of 11

    • Cone-Valued Lyapunov Functions 

      Leela, S.; Lakshmikantham, V. (University of Texas at ArlingtonDepartment of Mathematics, 1976-08)
      **Please note that the full text is embargoed** ABSTRACT: It is very well known that employing a single Lyapunov function and the theory of scalar differential inequality offers a useful mechanism to study a ...
    • Differential Equations on Closed Subsets of a Banach Space 

      Lakshmikantham, V. (University of Texas at ArlingtonDepartment of Mathematics, 1974-07)
      **Please note that the full text is embargoed** ABSTRACT: The problem of existence of solutions to the initial value problem [see pdf for notations], where [see pdf for notations], F is a locally closed subset of a Banach ...
    • Generalized Stability of Motion and Vector Lyapunov Functions 

      Pace, Deborah A.; Mitchell, Roger W. (University of Texas at ArlingtonDepartment of Mathematics, 1976-06)
      **Please note that the full text is embargoed** ABSTRACT: The direct theory for stability of motion in terms of vector Lyapunov functions and the general comparison method is well-developed [4, 5, 6, 7] and ...
    • A New Approach to the Stability Theory of Functional Differential Systems 

      Shendge, G. R. (University of Texas at ArlingtonDepartment of Mathematics, 1982-01)
      **Please note that the full text is embargoed** ABSTRACT: In the study of stability theory for delay differential equations using Lyapunov functions and the theory of differential inequalities, it becomes necessary to ...
    • On Perturbing Lyapunov Functions 

      Leela, S.; Lakshmikantham, V. (University of Texas at ArlingtonDepartment of Mathematics, 1974-02)
      **Please note that the full text is embargoed** ABSTRACT: It is known [2,3] that in proving uniform boundedness of a differential system by means of Lyapunov functions, it is sufficient to impose conditions in the complement ...
    • On the Existence of Solutions of Differential Equations in a Banach Space 

      Eisenfeld, Jerome; Lakshmikantham, V. (University of Texas at ArlingtonDepartment of Mathematics, 1974-03)
      **Please note that the full text is embargoed** ABSTRACT: The study of Cauchy problem for differential equations in a Banach space has taken two different directions. One approach is to find compactness type conditions ...
    • On the Method of Vector Lyapunov Functions 

      Lakshmikantham, V. (University of Texas at ArlingtonDepartment of Mathematics, 1974-09)
      **Please note that the full text is embargoed** ABSTRACT: The method of vector Lyapunov functions consists of employing several Lyapunov-like functions and the theory of vectorial differential inequalities. This general ...
    • Practical Stability and Lyapunov Functions 

      Lakshmikantham, V.; Bernfeld, Stephen R. (University of Texas at ArlingtonDepartment of Mathematics, 1979-10)
      **Please note that the full text is embargoed** ABSTRACT: The notion of "practical stability" was discussed in the monograph by LaSalle and Lefschetz [6] in which they point out that stability investigations may not ...
    • Quasi-Solutions, Vector Lyapunov Functions and Monotone Method 

      Leela, S.; Lakshmikantham, V.; Oguztoreli, M. N. (University of Texas at ArlingtonDepartment of Mathematics, 1980-02)
      **Please note that the full text is embargoed** ABSTRACT: It is now well known that the method of vector Lyapunov functions provides an effective tool to investigate the properties of large scale interconnected dynamical ...
    • A Technique in Stability Theory of Delay-Differential Equations 

      Leela, S.; Lakshmikantham, V. (University of Texas at ArlingtonDepartment of Mathematics, 1978-04)
      **Please note that the full text is embargoed** ABSTRACT: In the study of stability theory for delay-differential equations using Lyapunov functions and the theory of differential inequalities, it becomes necessary to ...
    • Variation of Constants, Vector Lyapunov Functions and Comparison Theorem 

      Aftabizadeh, A. R. (University of Texas at ArlingtonDepartment of Mathematics, 1980-04)
      **Please note that the full text is embargoed** ABSTRACT: In this paper we combine the above ideas to obtain a new comparison result and discuss its relation to known results. A simple application to stability theory is ...