Now showing items 413-432 of 570

    • Parabolic Differential Inequalities in Cones 

      Vaughn, Randy; Lakshmikantham, V. (University of Texas at ArlingtonDepartment of Mathematics, 1978-03)
      **Please note that the full text is embargoed** ABSTRACT: In this paper we investigate the theory of parabolic differential inequalities in arbitrary cones. After discussing the fundamental results concerning parabolic ...
    • Parameter Estimation in Illness-Death Processes: Preinfaractional Angina 

      Eisenfeld, Jerome; Canada, B. (University of Texas at ArlingtonDepartment of Mathematics, 1979)
      **Please note that the full text is embargoed** ABSTRACT: An illness-death process is an absorbing Markov process where the illness states from the transient states of the process. This paper deals with the estimation of ...
    • A Particle Model of Ground State H2 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1990-06)
      **Please note that the full text is embargoed** ABSTRACT: A particle model is developed for the ground state H2 molecule. Interparticle forces are formulated which are noncoulombic, but nearly coulombic. The vibration ...
    • Particle Modeling of Unstable Mode Configurations and Elastic Bending of Deformable Shells 

      Casulli, Vincenzo; Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1984)
      **Please note that the full text is embargoed** ABSTRACT: A new particle-type of modeling is developed for the simulation of phenomena related to the bending of elastic shells. Application is made to the determination of ...
    • Particle Modelling of a Jiggling Gel 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1993)
      **Please note that the full text is embargoed** ABSTRACT: Computer generated conical gels are constructed using classical molecular type formulas. Gravity is included in the modeling. Illustrative examples of gel jiggling ...
    • Particle Modelling of Combustion 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1990)
      **Please note that the full text is embargoed** ABSTRACT: Combustion is simulated by a molecular type model using classical molecular type interaction formulas. Supercomputer examples which emphasize turbulent motion are ...
    • Particle Simulation in Contact Mechanics of a Bouncing Elastic Ball 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1999-05)
      An elastic ball is simulated by considering lumped mass molecular sets called particles. Particles are allowed to interact only locally in a fashion similar to that employed in molecular mechanics. Under local and gravity ...
    • Particle Simulation of Biological Sorting on a Supercomputer 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1988)
      **Please note that the full text is embargoed** ABSTRACT: Cell sorting, or, self reorganization, is modelled by means of particles which obey classical molecular dynamical equations. A system of N second order, nonlinear, ...
    • Particle Simulation of Compression Waves 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1984-05)
      **Please note that the full text is embargoed** ABSTRACT: Compression waves are studied using a quasi-molecular, particle approach. Explosive type disturbances are simulated to generate such waves, which propagate by the ...
    • Particle Simulation of Large Carbon Dioxide Bubbles in Water 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1993)
      **Please note that the full text is embargoed** ABSTRACT: A method which can be applied to simulate the motion of fluid drops within fluids is described through a detailed study of a prototype problem, that is, the motion ...
    • Particle Simulation of Spiral Galaxy Evolution 

      Greenspan, Donald (University of Texas at ArlingtonDepartment of Mathematics, 1985)
      **Please note that the full text is embargoed** ABSTRACT: Spiral galaxies are modelled as n-body systems by means of long range and molecular-type short range forces. A relatively massive, elliptic, type core is sit into ...
    • Perfect Polynomials Over GF(q) 

      O'Connell, James R., Jr.; Beard, Jacob T. B., Jr.; West, Karen I. (University of Texas at ArlingtonDepartment of Mathematics, 1975-03)
      **Please note that the full text is embargoed** ABSTRACT: A monic polynomial [see pdf for notation] is called perfect over GF(q) if and only if the sum [see pdf for notation] of the distinct monic divisors in GF[q,x] of ...
    • Performance of Density Estimators in Additive Measurement Error Models Based on Right Censored Data 

      Khakurel, Hrishabh; 0000-0001-5328-8034 (2022-05-09)
      **Please note that the full text is embargoed until 5/6/2024** ABSTRACT: In the deconvolution problem for right censored data, one is interested in estimating the density of a contaminated variable X when X satisfies Z= ...
    • Periodic Solution for Nonlinear Delay Equation in Higher Order 

      Du, Sen-Wo (University of Texas at ArlingtonDepartment of Mathematics, 1981-05)
      **Please note that the full text is embargoed** ABSTRACT: In recent years, the existence and uniqueness of 2n-period solution for (1.1) [see pdf for notation] where x E Rn, and e(t,u,v) is a given function with 2^-period ...
    • Periodic Solutions of Nonlinear Boundary Value Problems 

      Lakshmikantham, V.; Kannan, R. (University of Texas at ArlingtonDepartment of Mathematics, 1980-04)
      **Please note that the full text is embargoed** ABSTRACT: One of the well known techniques in the theory of nonlinear boundary value problems (BVP) is the method of differential inequalities or the method of upper and lower ...
    • Pintar el octaedro 

      Kribs, Christopher (Sociedad Matematica MexicanaMathematics Department, University of Texas at Arlington, 2007-07)
    • Pitman-Closeness Efficiency of Estimators of Reliability with Application to the Exponent/Al Failure Model 

      Keating, Jerome P.; Dyer, Danny D. (University of Texas at ArlingtonDepartment of Mathematics, 1977-10)
      **Please note that the full text is embargoed** ABSTRACT: When there are available several point estimators of component or system reliability, it would be of interest to compare such estimators through some "closeness to ...
    • Point Modules Over Regular Graded Skew Clifford Algebras 

      Veerapen, Padmini Pillay (Mathematics, 2013-07-22)
      In this thesis, I consider point modules over regular graded skew Clifford algebras.First, I define a notion of rank (called μ-rank) on noncommutative quadratic forms. To every (commutative) quadratic form is associated a ...
    • The Polynomial Chaos Method With Applications To Random Differential Equations 

      Licea Salazar, Juan Antonio (Mathematics, 2013-10-22)
      The role of randomness in mathematical models is of paramount importance, with emphasis placed upon the accuracy and reliability of predictions a rational approach is the use of differential equations with random parameters ...
    • A Polynomial Dual of Partitions 

      Beard, Jacob T. B., Jr.; Dorris, Ann D. (University of Texas at ArlingtonDepartment of Mathematics, 1974-09)
      **Please note that the full text is embargoed** ABSTRACT: Let [see pdf for notation] be a non-negative integral polynomial. The polynomial P(x) is m-graphical, and a multi-graph G a realization of P(x), provided there ...