Browsing Department of Mathematics by Title
Now showing items 510-529 of 570
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Stability and Asymptotic Equivalence of Perturbations of Nonlinear Systems of Differential Equations
(University of Texas at ArlingtonDepartment of Mathematics, 1980-08)**Please note that the full text is embargoed** ABSTRACT: A nonlinear variation of constants method was introduced by Alekseev [1] and applications of this formula to questions of stability and asymptotic equivalence of ... -
Stability and Generalized Hopf Bifurcation Through a Reduction Principle
(University of Texas at ArlingtonDepartment of Mathematics, 1980-10)**Please note that the full text is embargoed** ABSTRACT: We are interested in obtaining an analysis of the bifurcating periodic orbits arising in the generalized Hopf bifurcation problems in Rn. The existence of these ... -
Stability of Differential Systems with Impulsive Perturbations in Terms of Two Measures
(University of Texas at ArlingtonDepartment of Mathematics, 1977-01)**Please note that the full text is embargoed** ABSTRACT: The study of differential systems of the form (1.1) [see pdf for notation] where [see pdf for notation] denotes the distributional derivative of [see pdf for ... -
STABILITY STUDY ON SHEAR FLOW AND VORTICES IN LATE BOUNDARY LAYER TRANSITION
(2017-08-09)Turbulence is still an unsolved scientific problem, it has been regarded as “the most important unsolved problem of classical physics”. Dr. Liu proposed a new mechanism about turbulence generation and sustenance after ... -
Statistical Analysis of Fourier Coefficients in a Restricted Harmonic Dial
(University of Texas at ArlingtonDepartment of Mathematics, 1975-04)**Please note that the full text is embargoed** ABSTRACT: Due to the physical nature of certain periodic data, the harmonic dial points (the Fourier coefficients obtained from harmonic analysis of the data) are sometimes ... -
STATISTICAL ESTIMATION IN MULTIVARIATE NORMAL DISTRIBUTION WITH A BLOCK OF MISSING OBSERVATIONS
(2017-10-16)Missing observations occur quite often in data analysis. We study a random sample from a multivariate normal distribution with a block of missing observations, here the observations missing is not at random. We use maximum ... -
Stochastic Analysis of Compressible Gas Lubrication Slider Bearing Problem
(University of Texas at ArlingtonDepartment of Mathematics, 1981)**Please note that the full text is embargoed** ABSTRACT: By employing the theory of stochastic differential inequalities and a comparison result for the stochastic boundary value problem, the effects of roughness for ... -
Stochastic Differential Inequalities of Ito Type
(University of Texas at ArlingtonDepartment of Mathematics, 1978-06)**Please note that the full text is embargoed** ABSTRACT: It is well known [3] that the method of differential inequalities plays an important role in the qualitative theory of differential equations. It is therefore natural ... -
Stochastic Parameters in Compartmental Systems
(University of Texas at ArlingtonDepartment of Mathematics, 1980-05)**Please note that the full text is embargoed** ABSTRACT: Let [see pdf for notation] denote the probability that a particle in compartment j will reach (or enter) compartment i. We present several formulas for ... -
Stochastic Parameters in Compartmental Systems and Structural Identification
(University of Texas at ArlingtonDepartment of Mathematics, 1979-07)**Please note that the full text is embargoed** ABSTRACT: Let [see pdf for notation] denote the mean time a particle resides in i having started in j and let [see pdf for notation] denote the probability that a particle ... -
Stochastic Reliability Models for a General Server and Related Networks
(2016-04-22)There are many types of systems which can be dubbed servers, i.e. a retail checkout counter, a shipping company, a web server, or a customer service hotline. All of these systems have common general behavior: requests or ... -
STOCHASTIC RISK MEASURES FOR THE LUNDBERG MODEL WITH REINSURANCE AND INVESTMENT
(2020-11-24)Risk measures emerge in fields such as economics, insurance, finance and are concerned with a stochastic representation of uncertainties stemming from the unpredictability of the real world events. In essence, risk analysis ... -
Structural Identification of Large Systems by Reduction to Subsystems: VLDL Triglycerides
(University of Texas at ArlingtonDepartment of Mathematics, 1982-05)**Please note that the full text is embargoed** ABSTRACT: Experiments are performed for identification purposes, i.e. to identify the values of unknown paprameters from data. In the event that one or more parameters can ... -
Structural Inference on Reliability in a Lognormal Model
(University of Texas at ArlingtonDepartment of Mathematics, 1975-12)**Please note that the full text is embargoed** ABSTRACT: The theory of structural inference, as developed by Fraser (1968), is based on a group-theoretic approach using invariant Haar measures to Fisher's fiducial theory. ... -
Studies in Rapid Kinetic Reactions by Quasi-Quantum Mechanical, Conservative Methodology
(University of Texas at ArlingtonDepartment of Mathematics, 1990-12)**Please note that the full text is embargoed** ABSTRACT: Simulations are made of prototype, ground state, rapid kinetic reactions for A+BC, in which B, and C are hydrogen atoms and BC is a hydrogen molecule. We study ... -
Study Of Multiple Impacts Of A Rigid Body With A Flat Surface
(Mathematics, 2008-08-08)Both analytical and numerical results are presented for two rigid body problems: a rod colliding with the ground, and a rigid thin plate colliding with the ground. The study of the succession of impacts of the rod with the ... -
A Study of Robustness of Preliminary Tests in Conditionally Specified Regression Models
(University of Texas at ArlingtonDepartment of Mathematics, 1983-05)**Please note that the full text is embargoed** ABSTRACT: The selection of variables in regression analysis is usually done by using preliminary tests. When it is doubtful whether the regression coefficients of a set of ... -
A Study On The B Family Of Shallow Water Wave Equations
(Mathematics, 2009-09-16)In this dissertation we study b family of shallow water wave equations which include classical Korteweg-de Vries, Camassa-Holm and Degasperis-Procesi equations. We first establish the models of the Camassa-Holm and ... -
A Study On The Two Component Periodic Shallow Water Systems
(Mathematics, 2012-07-25)In this dissertation we study the generalized periodic two-component Camassa-Holm system and the generalized periodic two-component Dullin-Gottwald-Holm system, which can be derived from the Euler equation with nonzero ... -
Supercomputer Simulation of Colliding Microdrops of Water
(University of Texas at ArlingtonDepartment of Mathematics, 1989-01)**Please note that the full text is embargoed** ABSTRACT: Microdrop collisions are important in fast kinetic, microwave, nucleation, and rainstorm studies. In this Paper a molecular model of colliding microdrops of water ...