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  • P-ISSN3059-0604
  • E-ISSN3059-1309
  • KCI

ISSN : 3059-0604

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Vol.10 No.1

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ON LINEAR PERTURBATIONS AND ABSOLUTE ROOT BOUND FUNCTIONALS

ON LINEAR PERTURBATIONS ANDABSOLUTE ROOT BOUND FUNCTIONAL

한국수학교육학회지시리즈B:순수및응용수학 / Journal of the Korean Society of Mathematical Education Series B: Theoretical Mathematics and Pedagogical Mathematics, (P)3059-0604; (E)3059-1309
2003, v.10 no.1, pp.37-47
Kim, Jin-Hwan (Department of Mathematics Education, Yeungnam University)
Park, Young-Kou (Department of Mathematics Education, Yeungnam University)
Kim, Jin-Hwan, & Park, Young-Kou. (2003). ON LINEAR PERTURBATIONS AND ABSOLUTE ROOT BOUND FUNCTIONALS, 10(1), 37-47.

Abstract

We will show that any linear perturbation of polynomials that introduces bounded perturbations into the roots of polynomial is some linear combination of the derivatives of a polynomial. And we will derive an absolute root bound functional which is in some sense better than the other known absolute root bound functionals.

keywords
perturbed of polynomials, perturbed roots

한국수학교육학회지시리즈B:순수및응용수학

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