Rotationally Symmetric Lacunary Functions and Products of Centered Polygonal Lacunary Functions

This work builds upon previous studies of centered polygonal lacunary functions by presenting proofs of theorems showing how rotational and dihedral mirror symmetry manifest in these lacunary functions at the modulus level. These theorems then provide a general framework for constructing other lacun...

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Main Authors: L. K. Mork, Keith Sullivan, Trenton Vogt, Darin J. Ulness
Format: Article
Language:English
Published: MDPI AG 2020-05-01
Series:Fractal and Fractional
Subjects:
Online Access:https://www.mdpi.com/2504-3110/4/2/24
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author L. K. Mork
Keith Sullivan
Trenton Vogt
Darin J. Ulness
author_facet L. K. Mork
Keith Sullivan
Trenton Vogt
Darin J. Ulness
author_sort L. K. Mork
collection DOAJ
description This work builds upon previous studies of centered polygonal lacunary functions by presenting proofs of theorems showing how rotational and dihedral mirror symmetry manifest in these lacunary functions at the modulus level. These theorems then provide a general framework for constructing other lacunary functions that exhibit the same symmetries. These investigations enable one to better explore the effects of the gap behavior on the qualitative features of the associated lacunary functions. Further, two renormalized products of centered polygonal lacunary functions are defined and a connection to Ramanunjan’s triangular lacunary series is made via several theorems.
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spelling doaj.art-2e673d9ff0714a14a23537ad6708a0d62023-11-20T01:49:58ZengMDPI AGFractal and Fractional2504-31102020-05-01422410.3390/fractalfract4020024Rotationally Symmetric Lacunary Functions and Products of Centered Polygonal Lacunary FunctionsL. K. Mork0Keith Sullivan1Trenton Vogt2Darin J. Ulness3Department of Mathematics, Concordia College, Moorhead, MN 56562, USADepartment of Mathematics, Concordia College, Moorhead, MN 56562, USADepartment of Chemistry, Concordia College, Moorhead, MN 56562, USADepartment of Chemistry, Concordia College, Moorhead, MN 56562, USAThis work builds upon previous studies of centered polygonal lacunary functions by presenting proofs of theorems showing how rotational and dihedral mirror symmetry manifest in these lacunary functions at the modulus level. These theorems then provide a general framework for constructing other lacunary functions that exhibit the same symmetries. These investigations enable one to better explore the effects of the gap behavior on the qualitative features of the associated lacunary functions. Further, two renormalized products of centered polygonal lacunary functions are defined and a connection to Ramanunjan’s triangular lacunary series is made via several theorems.https://www.mdpi.com/2504-3110/4/2/24lacunary functiongap functioncentered polygonal numbersnatural boundarysingularitiesrenormalization
spellingShingle L. K. Mork
Keith Sullivan
Trenton Vogt
Darin J. Ulness
Rotationally Symmetric Lacunary Functions and Products of Centered Polygonal Lacunary Functions
Fractal and Fractional
lacunary function
gap function
centered polygonal numbers
natural boundary
singularities
renormalization
title Rotationally Symmetric Lacunary Functions and Products of Centered Polygonal Lacunary Functions
title_full Rotationally Symmetric Lacunary Functions and Products of Centered Polygonal Lacunary Functions
title_fullStr Rotationally Symmetric Lacunary Functions and Products of Centered Polygonal Lacunary Functions
title_full_unstemmed Rotationally Symmetric Lacunary Functions and Products of Centered Polygonal Lacunary Functions
title_short Rotationally Symmetric Lacunary Functions and Products of Centered Polygonal Lacunary Functions
title_sort rotationally symmetric lacunary functions and products of centered polygonal lacunary functions
topic lacunary function
gap function
centered polygonal numbers
natural boundary
singularities
renormalization
url https://www.mdpi.com/2504-3110/4/2/24
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AT keithsullivan rotationallysymmetriclacunaryfunctionsandproductsofcenteredpolygonallacunaryfunctions
AT trentonvogt rotationallysymmetriclacunaryfunctionsandproductsofcenteredpolygonallacunaryfunctions
AT darinjulness rotationallysymmetriclacunaryfunctionsandproductsofcenteredpolygonallacunaryfunctions