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Articles 1 - 16 of 16
Full-Text Articles in Mathematics
Some Results About Reproducing Kernel Hilbert Spaces Of Certain Structure, Jesse Gabriel Sautel
Some Results About Reproducing Kernel Hilbert Spaces Of Certain Structure, Jesse Gabriel Sautel
Doctoral Dissertations
The theory of reproducing kernel Hilbert spaces has been crucial to the development of many of the most significant modern ideas behind functional analysis. In particular, there are two classes of reproducing kernel Hilbert spaces that have seen plenty of interest: that of complete Nevanlinna-Pick spaces and de Branges-Rovnyak spaces.
In this dissertation, we prove some results involving each type of space separately as well as one result regarding their potential overlap. It turns out that a de Branges-Rovnyak space is also of complete Nevanlinna-Pick type as long as there exists a multiplier satisfying a certain identity.
Further, we extend …
Sequential Deformations Of Hadamard Matrices And Commuting Squares, Shuler G. Hopkins
Sequential Deformations Of Hadamard Matrices And Commuting Squares, Shuler G. Hopkins
Doctoral Dissertations
In this dissertation, we study analytic and sequential deformations of commuting squares of finite dimensional von Neumann algebras, with applications to the theory of complex Hadamard matrices. The main goal is to shed some light on the structure of the algebraic manifold of spin model commuting squares (i.e., commuting squares based on complex Hadamard matrices), in the neighborhood of the standard commuting square (i.e., the commuting square corresponding to the Fourier matrix). We prove two types of results: Non-existence results for deformations in certain directions in the tangent space to the algebraic manifold of commuting squares (chapters 3 and 4), …
A Weak Fractional Calculus Theory And Numerical Methods For Fractional Differential Equations, Mitchell D. Sutton
A Weak Fractional Calculus Theory And Numerical Methods For Fractional Differential Equations, Mitchell D. Sutton
Doctoral Dissertations
This dissertation is comprised of four integral parts. The first part comprises a self-contained new theory of weak fractional differential calculus in one-dimension. The crux of this new theory is the introduction of a weak fractional derivative notion which is a natural generalization of integer order weak derivatives; it also helps to unify multiple existing fractional derivative definitions.
The second part of this work presents three new families of fractional Sobolev spaces and their accompanying theory in one-dimension. The new construction and theory are based on a newly developed notion of weak fractional derivatives, which are natural generalizations of the …
Approximation Of Invariant Subspaces, Faruk Yilmaz
Approximation Of Invariant Subspaces, Faruk Yilmaz
Doctoral Dissertations
For a real number α [alpha] the Dirichlet-type spaces 𝔇α [script D sub alpha] are the family of Hilbert spaces consisting of all analytic functions f(z) = ∑n=0∞[sum over n equals zero to infinity] ˆf(n) [f hat of n] zn [z to the n] defined on the open unit disc 𝔻 [unit disc] such that
∑n=0∞ (n+1)α | ˆf(n) |2
[sum over n equals 0 to infinity] [(n+1) to α] [ | f hat of n | to 2]
is finite.
For α < 0, the spaces 𝔇α are known as weighted Bergman spaces. When …
Construction And Classification Results For Commuting Squares Of Finite Dimensional *-Algebras, Chase Thomas Worley
Construction And Classification Results For Commuting Squares Of Finite Dimensional *-Algebras, Chase Thomas Worley
Doctoral Dissertations
In this dissertation, we present new constructions of commuting squares, and we investigate finiteness and isolation results for these objects. We also give applications to the classification of complex Hadamard matrices and to Hopf algebras.
In the first part, we recall the notion of commuting squares which were introduced by Popa and arise naturally as invariants in Jones' theory of subfactors. We review some of the main known examples of commuting squares such as those constructed from finite groups and from complex Hadamard matrices. We also recall Nicoara's notion of defect which gives an upper bound for the number of …
Jet-Hadron Correlations Relative To The Event Plane Pb--Pb Collisions At The Lhc In Alice, Joel Anthony Mazer
Jet-Hadron Correlations Relative To The Event Plane Pb--Pb Collisions At The Lhc In Alice, Joel Anthony Mazer
Doctoral Dissertations
In relativistic heavy ion collisions at the Large Hadron Collider (LHC), a hot, dense and strongly interacting medium known as the Quark Gluon Plasma (QGP) is produced. Quarks and gluons from incoming nuclei collide to produce partons at high momenta early in the collisions. By fragmenting into collimated sprays of hadrons, these partons form 'jets'. Within the framework of perturbative Quantum Chromodynamics (pQCD), jet production is well understood in pp collisions. We can use jets measured in pp interactions as a baseline reference for comparing to heavy ion collision systems to detect and study jet quenching. The jet quenching mechanism …
The Loewner Equation And Weierstrass' Function, Gavin Ainsley Glenn
The Loewner Equation And Weierstrass' Function, Gavin Ainsley Glenn
Chancellor’s Honors Program Projects
No abstract provided.
Extension Theorems On Matrix Weighted Sobolev Spaces, Christopher Ryan Loga
Extension Theorems On Matrix Weighted Sobolev Spaces, Christopher Ryan Loga
Doctoral Dissertations
Let D a subset of Rn [R n] be a domain with Lipschitz boundary and 1 ≤ p < ∞ [1 less than or equal to p less than infinity]. Suppose for each x in Rn that W(x) is an m x m [m by m] positive definite matrix which satisfies the matrix Ap [A p] condition. For k = 0, 1, 2, 3;... define the matrix weighted, vector valued, Sobolev space [L p k of D,W] with
[the weighted L p k norm of vector valued f over D to the p power equals the sum over all alpha with order less than k of the integral over D of the the pth power …
Hankel Operators On The Drury-Arveson Space, James Allen Sunkes Iii
Hankel Operators On The Drury-Arveson Space, James Allen Sunkes Iii
Doctoral Dissertations
The Drury-Arveson space, initially introduced in the proof of a generalization of von Neumann's inequality, has seen a lot of research due to its intrigue as a Hilbert space of analytic functions. This space has been studied in the context of Besov-Sobolev spaces, Hilbert spaces with complete Nevanlinna Pick kernels, and Hilbert modules. More recently, McCarthy and Shalit have studied the connections between the Drury-Arveson space and Hilbert spaces of Dirichlet series, and Davidson and Cloutare have established analogues of classic results of the ball algebra to the multiplier algebra for the Drury-Arveson Space.
The goal of this dissertation is …
Statistical Mechanics And Schramm-Loewner Evolution With Applications To Crack Propagation Processes, Christopher Borut Mesic
Statistical Mechanics And Schramm-Loewner Evolution With Applications To Crack Propagation Processes, Christopher Borut Mesic
Masters Theses
Schramm-Loewner Evolution (SLE) has both mathematical and physical roots that extend as far back as the early 20th century. We present the progression of these humble roots from the Ideal Gas Law, all the way to the renormalization group and conformal field theory, to better understand the impact SLE has had on modern statistical mechanics. We then explore the potential application of the percolation exploration process to crack propagation processes, illustrating the interplay between mathematics and physics.
Generalized Branching In Circle Packing, James Russell Ashe
Generalized Branching In Circle Packing, James Russell Ashe
Doctoral Dissertations
Circle packings are configurations of circle with prescribed patterns of tangency. They relate to a surprisingly diverse array of topics. Connections to Riemann surfaces, Apollonian packings, random walks, Brownian motion, and many other topics have been discovered. Of these none has garnered more interest than circle packings' relationship to analytical functions. With a high degree of faithfulness, maps between circle packings exhibit essentially the same geometric properties as seen in classical analytical functions. With this as motivation, an entire theory of discrete analytic function theory has been developed. However limitations in this theory due to the discreteness of circle packings …
Circle Packings On Affine Tori, Christopher Thomas Sass
Circle Packings On Affine Tori, Christopher Thomas Sass
Doctoral Dissertations
This thesis is a study of circle packings for arbitrary combinatorial tori in the geometric setting of affine tori. Certain new tools needed for this study, such as face labels instead of the usual vertex labels, are described. It is shown that to each combinatorial torus there corresponds a two real parameter family of affine packing labels. A construction of circle packings for combinatorial fundamental domains from affine packing labels is given. It is demonstrated that such circle packings have two affine side-pairing maps, and also that these side-pairing maps depend continuously on the two real parameters.
Explicit Lp-Norm Estimates Of Infinitely Divisible Random Vectors In Hilbert Spaces With Applications, Matthew D Turner
Explicit Lp-Norm Estimates Of Infinitely Divisible Random Vectors In Hilbert Spaces With Applications, Matthew D Turner
Doctoral Dissertations
I give explicit estimates of the Lp-norm of a mean zero infinitely divisible random vector taking values in a Hilbert space in terms of a certain mixture of the L2- and Lp-norms of the Levy measure. Using decoupling inequalities, the stochastic integral driven by an infinitely divisible random measure is defined. As a first application utilizing the Lp-norm estimates, computation of Ito Isomorphisms for different types of stochastic integrals are given. As a second application, I consider the discrete time signal-observation model in the presence of an alpha-stable noise environment. Formulation is given to compute the optimal linear estimate of …
Carleson-Type Inequalitites In Harmonically Weighted Dirichlet Spaces, Gerardo Roman Chacon Perez
Carleson-Type Inequalitites In Harmonically Weighted Dirichlet Spaces, Gerardo Roman Chacon Perez
Doctoral Dissertations
Carleson measures for Harmonically Weighted Dirichlet Spaces are characterized. It is shown a version of a maximal inequality for these spaces. Also, Interpolating Sequences and Closed-Range Composition Operators are studied in this context.
Computational Circle Packing: Geometry And Discrete Analytic Function Theory, Gerald Lee Orick
Computational Circle Packing: Geometry And Discrete Analytic Function Theory, Gerald Lee Orick
Doctoral Dissertations
Geometric Circle Packings are of interest not only for their aesthetic appeal but also their relation to discrete analytic function theory. This thesis presents new computational methods which enable additional practical applications for circle packing geometry along with providing a new discrete analytic interpretation of the classical Schwarzian derivative and traditional univalence criterion of classical analytic function theory. To this end I present a new method of computing the maximal packing and solving the circle packing layout problem for a simplicial 2-complex along with additional geometric variants and applications. This thesis also presents a geometric discrete Schwarzian quantity whose value …
A Multiple Linear Regression Analysis On Mathematics Placement At The University Of Tennessee, Knoxville, Steven K. Moore
A Multiple Linear Regression Analysis On Mathematics Placement At The University Of Tennessee, Knoxville, Steven K. Moore
Masters Theses
This paper looks at solving the least squares problem and then using that theory to solve a simple multiple regression analysis for placing students into mathematics courses at the University of Tennessee, Knoxville.
The first chapter is an introduction and a basic outline of the problem. Chapter 2 outlines the theory behind solving an actual least squares problem for both the general case and for the particular case of nonsingular matrices. Chapter 3 discusses assumptions that must be made when running the analysis.
In chapters 4 and 5 computers are discussed and software output is explained. Finally, Chapter 6 gives …