On Hadamard square roots of unity
type: Item
instance of: scholarly article
title: On Hadamard square roots of unity
zbMATH Open document ID: 0948.68230
DOI: 10.1016/S0304-3975(99)00327-8
published in: Theoretical Computer Science
publication date: 2000-06-04T00:00:00Z
review text: A series all of whose coefficients have unit modulus is called a Hadamard square root of unity. We investigate and partially characterize the algebraic Hadamard square roots of unity. The investigation makes use of a result about the asymptotic behavior of the coefficients of algebraic series and the Weyl--von Neumann theorem.
reviewed by: W. Koepf
Mathematics Subject Classification ID: 68W30
zbMATH DE Number: 1454575
zbMATH Keywords: algebraic series
zbMATH Keywords: Hadamard product
zbMATH Keywords: analysis
zbMATH Keywords: formal power series
author: Bruce Litow
describes a project that uses: gfun
MaRDI profile type: Publication
cites work: Algèbres de Hadamard
cites work: Calcul pratique des coefficients de Taylor d'une fonction algébrique
cites work: Analytic models and ambiguity of context-free languages
cites work: Q3704880
cites work: Quantum automata and quantum grammars
cites work: GFUN
cites work: Q4314470
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description: scientific article; zbMATH DE number 1454575