Magnetic Schröodinger operators with discrete spectra on non-compact Kähler manifolds (open access)

Magnetic Schröodinger operators with discrete spectra on non-compact Kähler manifolds

This article identifies a class of magnetic Schrödinger operators on Kähler manifolds which exhibit pure point spectrum.
Date: August 2011
Creator: Anghel, Nicolae
Object Type: Article
System: The UNT Digital Library
Polynomial Harmonic Decompositions (open access)

Polynomial Harmonic Decompositions

Article on polynomial harmonic decompositions. For real polynomials in two indeterminates a classical polynomial harmonic decomposition is extended from square-norm divisors to conic ones.
Date: January 2017
Creator: Anghel, Nicolae
Object Type: Article
System: The UNT Digital Library
Determinant Identities and the Geometry of Lines and Circles (open access)

Determinant Identities and the Geometry of Lines and Circles

This article focuses on the nontrivial determinant identities which typically underlie the complex analytic proofs of all the results in the plane geometry of lines and circles.
Date: October 20, 2015
Creator: Anghel, Nicolae
Object Type: Article
System: The UNT Digital Library
On Morley's miracle theorem (open access)

On Morley's miracle theorem

Article on Morley's miracle theorem. The authors use work by A. Connes to explore possible generalizations of Morley's trisector theorem to triangles in arbitrary value fields.
Date: 2004
Creator: Anghel, Nicolae
Object Type: Article
System: The UNT Digital Library
The essential uniqueness of the Connes-Morley theorem (open access)

The essential uniqueness of the Connes-Morley theorem

Article on the essential uniqueness of the Connes-Morley theorem.
Date: 2006
Creator: Anghel, Nicolae
Object Type: Article
System: The UNT Digital Library
The Levi problem on mixed manifolds (open access)

The Levi problem on mixed manifolds

Article discussing the Levi problem on mixed manifolds. This article gives a new proof that the problem of Levi, to mixed varieties have a solution in the sense that every pseudoconvex closely mixed variety, with enough real global morphisms, is a variety of Cartan.
Date: 1984
Creator: Anghel, Nicolae
Object Type: Article
System: The UNT Digital Library
SL₂-polynomial invariance (open access)

SL₂-polynomial invariance

Article on SL₂-polynomial invariance. The purpose of this article is to describe completely, in a constructive way, the structure of these invariant polynomials in the particular case n = 2, for an arbitrary field k.
Date: 1998
Creator: Anghel, Nicolae
Object Type: Article
System: The UNT Digital Library
On the first Vafa-Witten bound for two-dimensional tori (open access)

On the first Vafa-Witten bound for two-dimensional tori

This article discusses the first Vafa-Witten bound for two-dimensional tori.
Date: 2000
Creator: Anghel, Nicolae
Object Type: Article
System: The UNT Digital Library
Detecting Evolutionary Strata on the Human X Chromosome in the Absence of Gametologous Y-Linked Sequences (open access)

Detecting Evolutionary Strata on the Human X Chromosome in the Absence of Gametologous Y-Linked Sequences

Article on detecting evolutionary strata on the human X chromosome in the absence of gametologous Y-linked sequences.
Date: September 9, 2013
Creator: Pandey, Ravi Shanker; Sayres, Melissa A. Wilson & Azad, Rajeev K.
Object Type: Article
System: The UNT Digital Library
Generalization of Entropy Based Divergence Measures for Symbolic Sequence Analysis (open access)

Generalization of Entropy Based Divergence Measures for Symbolic Sequence Analysis

Article on the generalization of entropy based divergence measures for symbolic sequence analysis.
Date: September 17, 2013
Creator: Ré, Miguel A. & Azad, Rajeev K.
Object Type: Article
System: The UNT Digital Library
On a class of Stieltjes-Van Vleck polynomials (open access)

On a class of Stieltjes-Van Vleck polynomials

Article on a class of Stieltjes-Van Vleck polynomials.
Date: 2013
Creator: Anghel, Nicolae
Object Type: Article
System: The UNT Digital Library
An inductive proof of the Cayley-Hamilton theorem (open access)

An inductive proof of the Cayley-Hamilton theorem

In this article, the author investigates a computational proof of the Cayley-Hamilton theroem, based on induction.
Date: July 2014
Creator: Anghel, Nicolae
Object Type: Article
System: The UNT Digital Library
Square roots of real 2 x 2 matrices (open access)

Square roots of real 2 x 2 matrices

In this article, the author investigates the real 2 x 2 matrices which admit real square roots.
Date: November 2013
Creator: Anghel, Nicolae
Object Type: Article
System: The UNT Digital Library
Maximum of a function (open access)

Maximum of a function

In this article, the author presents a generalization of a certain Putnam problem.
Date: January 2014
Creator: Anghel, Nicolae
Object Type: Article
System: The UNT Digital Library
Newton flow of the Riemann zeta function: separatrices control the appearance of zeros (open access)

Newton flow of the Riemann zeta function: separatrices control the appearance of zeros

This article applies the continuous Newton method to the Riemann zeta function and discusses the emerging patterns emphasizing especially the structuring of the non-trivial zeros by the separatrices.
Date: October 14, 2014
Creator: Neuberger, J. W.; Feiler, C.; Llopis, A.; Maier, H. & Schleich, W. P.
Object Type: Article
System: The UNT Digital Library
Role of Exponential Type Random Invexities for Asymptotically Sufficient Efficiency Conditions in Semi-Infinite Multi-Objective Fractional Programming (open access)

Role of Exponential Type Random Invexities for Asymptotically Sufficient Efficiency Conditions in Semi-Infinite Multi-Objective Fractional Programming

This article introduces several notions of random exponential type asymptotic invexities to establish results to the context of a class of asymptotically sufficient efficiency conditions in semi-infinite multi-objective fractional programing.
Date: September 2, 2016
Creator: Verma, Ram U. & Seol, Youngsoo
Object Type: Article
System: The UNT Digital Library
Spreading of Charged Micro-Droplets (open access)

Spreading of Charged Micro-Droplets

This article studies the spreading of a charged microdroplet using the lubrication approximation.
Date: September 16, 2013
Creator: Iaia, Joseph A.
Object Type: Article
System: The UNT Digital Library
Existence and Nonexistence of Solutions for Semilinear Equations on Exterior Domains (open access)

Existence and Nonexistence of Solutions for Semilinear Equations on Exterior Domains

This article studies radial solutions of Δu + K(r)ƒ(u) = 0 on the exterior of the ball of radius R > 0 centered at the origin in ℝᴺ where ƒ is odd with ƒ < 0 on (0,ß), ƒ > 0 on (β, δ), ƒ ≡ 0 for u > δ, and where the function K(r) is assumed to be positive and K(r) → 0 as r → ∞.
Date: August 22, 2016
Creator: Iaia, Joseph A.
Object Type: Article
System: The UNT Digital Library
Existence of Solutions for Semilinear Problems With Prescribed Number of Zeros on Exterior Domains (open access)

Existence of Solutions for Semilinear Problems With Prescribed Number of Zeros on Exterior Domains

This article proves the existence of an infinite number of radial solutions of Δ(u) + f(u) = 0 with prescribed number of zeros on the exterior of the ball of radius R > 0 centered at the origin in ℝᴺ where f is odd with f < 0 on (0, β), f > 0 on (β,∞) where β > 0.
Date: May 3, 2016
Creator: Joshi, Janak & Iaia, Joseph A.
Object Type: Article
System: The UNT Digital Library
The Spreading of Charged Micro-Droplets (open access)

The Spreading of Charged Micro-Droplets

This article considers the analysis of the Betelu-Fontelos model of the spreading of a charged microdroplet on a at dielectric surface whose spreading is driven by surface tension and electrostatic repulsion.
Date: January 20, 2015
Creator: Iaia, Joseph A.
Object Type: Article
System: The UNT Digital Library
Reflectionless Boundary Propagation Formulas for Partial Wave Solutions to the Wave Equation (open access)

Reflectionless Boundary Propagation Formulas for Partial Wave Solutions to the Wave Equation

This article considers solutions to the wave equation in 3+1 spacetime dimensions whose data is compactly supported at some initial time.
Date: November 28, 1995
Creator: Navarro, Jaime & Warchall, Henry A.
Object Type: Article
System: The UNT Digital Library
Methods and results from the genome-wide association group at GAW20 (open access)

Methods and results from the genome-wide association group at GAW20

This article reports on promising statistical approaches and findings of the members of the Genome-wide Association Study group applied on real and simulated data which encompass the current topics of epigenetic and pharmacogenomics.
Date: March 2017
Creator: Wang, Xuexia; Boekstegers, Felix & Brinster, Regina
Object Type: Article
System: The UNT Digital Library
Curvature Bundle Morphisms for Hypersurface Generalized Dirac Operators (open access)

Curvature Bundle Morphisms for Hypersurface Generalized Dirac Operators

This article establishes uses a Gauss-like relationship to examine how the curvature bundle morphisms relate.
Date: 2016
Creator: Anghel, Nicolae
Object Type: Article
System: The UNT Digital Library
Methods to evaluate rare variants gene-age interaction for triglycerides (open access)

Methods to evaluate rare variants gene-age interaction for triglycerides

This article discusses the development of two statistical methods to test the gene environment interaction effect of rare variants.
Date: March 2017
Creator: Huayang Gao, Tony; Zhang, Jianjun; Medina Miguelangel, Diaz & Wang, Xuexia
Object Type: Article
System: The UNT Digital Library