Now showing items 54-73 of 349

    • 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 ...
    • Differential Inequalities and Flow-Invariance via Linear Functionals 

      Lakshmikantham, V.; Eisenfeld, Jerome (University of Texas at ArlingtonDepartment of Mathematics, 1977-05)
      **Please note that the full text is embargoed** ABSTRACT: This paper deals with flow-invariance properties with respect to [see pdf for notation] and resulting comparison inequalities. Both the order relation He and the ...
    • A Direct Computational Method for Estimating the Parameters of a Nonlinear Model 

      Eisenfeld, Jerome; Cheng, Stephen W. (University of Texas at ArlingtonDepartment of Mathematics, 1978)
      **Please note that the full text is embargoed** ABSTRACT: We consider the system identification problem which deals with determining information about the unknown constant matrices A, B, and C or the linear dynamical system: ...
    • A Discrete Model for the Recovery of Oil from a Reservoir 

      Vargas-Jarillo, Cristobal (University of Texas at ArlingtonDepartment of Mathematics, 1984)
      **Please note that the full text is embargoed** ABSTRACT: In this work we simulate oil recovery by means of a molecular type approach. This means that we consider the solid and liquid materials to be composed of a finite ...
    • Discrete Modeling of Minimal Surfaces 

      Coppin, C.; Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1982-05)
      **Please note that the full text is embargoed** ABSTRACT: A new computer approach to the modeling of minimal surfaces is described and implemented. Quasi-molecular particles and forces are used to simulate actual molecular ...
    • Discrete Spring Solitons 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 2001-05)
      **Please note that the full text is embargoed** ABSTRACT: A soliton is a local, traveling wave pulse. It is significant in a variety of unrelated areas, like studies of water waves, acoustic waves, electron transfer, gravity ...
    • Discriminatory Von Neumann-Morgenstern Solutions 

      Heijmans, J. G. C. (University of Texas at ArlingtonDepartment of Mathematics, 1990-05)
      **Please note that the full text is embargoed** ABSTRACT: The von Neumann-Morgenstern solution (vN-M solution) or stable set is arguably the most dynamic and flexible solution concept for cooperative games with ...
    • Dynamical Generation of Electron Motions in Ground State H2+, in Ground State H2, and in the First Excited State of H2 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1996)
      **Please note that the full text is embargoed** ABSTRACT: Using the recent formulation of Gell-Mann and Hartle for approximating quantum dynamical phenomena by means of classical equations, we simulate electron motions in ...
    • Dynamical Simulation of the Simplest Hydrides 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1996)
      **Please note that the full text is embargoed** ABSTRACT: In agreement with recent results of Gell-Mann and Hartle, we approximate electron motions in ground state Li7H1 and Li7H2 using an energy conserving numerical method ...
    • Dynamics of Large Eddies in Turbulent Channel Flows 

      Payne, F. R.; Hong, S. K. (University of Texas at ArlingtonDepartment of Mathematics, 1987-06)
      **Please note that the full text is embargoed** ABSTRACT: A turbulence model that describes dynamics of large, characteristic eddies in inhomogeneous flows is proposed; two closure parameters are initially undetermined. ...
    • Efficiency Contours for Estimators of Reliability in a 2-Parameter Exponential Failure Model 

      Lu, I-Le; Dyer, Danny D. (University of Texas at ArlingtonDepartment of Mathematics, 1977-05)
      **Please note that the full text is embargoed** ABSTRACT: When there are available several point estimators of some parametric function, it would seem desirable to make a comparison among the estimators based on some measure ...
    • Efficiency in Estimation of Mean Time to Failure in a Two-Parameter Exponential Failure Model 

      Dyer, Danny D. (University of Texas at ArlingtonDepartment of Mathematics, 1977-05)
      **Please note that the full text is embargoed** ABSTRACT: When comparing two point estimators of some parametric function, Pitman-closeness efficiency gives the "odds" in favor of one of the estimators being closer to ...
    • Efficient Nonlinear Parameter Estimation for Exponential Type, Least Square Approximation 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1985-03)
      **Please note that the full text is embargoed** ABSTRACT: A computer algorithm is described for fitting data sets by least squares to the functions [see pdf for notation]. A non matrix form of Newton's method is utilized ...
    • Electron Attraction as a Mechanism for the Chemical Bond of Ground State H2 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1993)
      **Please note that the full text is embargoed** ABSTRACT: Previously, electron attraction, incorporated into classical models of the chemical bond, yielded correct bond lengths and vibrational frequencies for all the ...
    • An Elementary Algebraic Method for Approximating Average Radii of First and Secong Ring Electrons 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1984-11)
      **Please note that the full text is embargoed** ABSTRACT: In this paper, experimental ionization energies are used to determine algebraic equations whose solutions approximate relativistic quantum mechanical estimates ...
    • Elliptic Regularization for a Class of Strongly Nonlinear Degenerate Eigenvalue Problems on Orlicz-Sobolev Spaces. I: The Ode Case 

      Vuillermot, Pierre A. (University of Texas at ArlingtonDepartment of Mathematics, 1985-01)
      **Please note that the full text is embargoed** ABSTRACT: This paper is devoted to proving sharp Holder-Lipschitz regularity estimates for the eigensolutione to a class of degenerate Sturm-Liouville eigenvalue problems ...
    • Energy Conserving Numerical Solutions of Simplified Turbulence Equations 

      Greenspan, Donald; Marciniak, Andrzej (University of Texas at ArlingtonDepartment of Mathematics, 1990)
      **Please note that the full text is embargoed** ABSTRACT: The purpose of this paper is to develop some numerical methods for solving non-Hamiltonian nonintegrable simplified turbulence equations which conserve the energy. ...
    • The Energy States of Helium via Bohr-Einstein Determinism 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1984-12)
      **Please note that the full text is embargoed** ABSTRACT: Correct ground, ionization, singly excited and doubly (excited energy states are deduced deterministically by a direct extension of Bohr's method for hydrogen. ...
    • Energy States of Two-Electron Systems Via Bohr Determinism 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1983-01)
      **Please note that the full text is embargoed** ABSTRACT: Correct ground, ionization, and excited states for two-electron systems are deduced deterministically by a direct extension of Bohr's method for hydrogen. The theory ...
    • Equations with Unbounded Delay: a Survey 

      Lakshmikantham, V.; Corduneanu, C. (University of Texas at ArlingtonDepartment of Mathematics, 1979-08)
      **Please note that the full text is embargoed** ABSTRACT: The theory of equations with delay has been considerably developed during the past 30 years. The first book dedicated to this subject has been published by A. D. ...