2006
DOI: 10.1016/j.jmaa.2005.03.058
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The Fox–Wright functions and Laguerre multiplier sequences

Abstract: Linear operators which (1) preserve the reality of zeros of polynomials having only real zeros and (2) map stable polynomials into stable polynomials are investigated using recently established results concerning the zeros of certain Fox-Wright functions and generalized Mittag-Leffler functions. The paper includes several open problems and questions.

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Cited by 56 publications
(18 citation statements)
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“…Several articles have been devoted to this problem (see [Dzh84,DzhNer68,OstPer97,Poly21,Pop02,Psk05,Sed94,Sed00,Wim05b]). Also studied is the related question of the distribution of zeros of sections and tails of the Mittag-Leffler function (see [Ost01,Zhe02]) and of some associated special functions (see [GraCso06,Luc00]). Also studied is the related question of the distribution of zeros of sections and tails of the Mittag-Leffler function (see [Ost01,Zhe02]) and of some associated special functions (see [GraCso06,Luc00]).…”
Section: Historical and Bibliographical Notesmentioning
confidence: 99%
“…Several articles have been devoted to this problem (see [Dzh84,DzhNer68,OstPer97,Poly21,Pop02,Psk05,Sed94,Sed00,Wim05b]). Also studied is the related question of the distribution of zeros of sections and tails of the Mittag-Leffler function (see [Ost01,Zhe02]) and of some associated special functions (see [GraCso06,Luc00]). Also studied is the related question of the distribution of zeros of sections and tails of the Mittag-Leffler function (see [Ost01,Zhe02]) and of some associated special functions (see [GraCso06,Luc00]).…”
Section: Historical and Bibliographical Notesmentioning
confidence: 99%
“…= (x + 1) a is real-rooted. Furthermore, by [7,Theorem 3.14], also { 2i i 1 i! } i≥0 is a multiplier sequence.…”
Section: 5mentioning
confidence: 99%
“…Moreover, if for the function ϕ ∈ LPI we have γ k ≥ 0 for all k ∈ N 0 , we say that ϕ ∈ LP + . Further information about the Laguerre-Pólya class can be found in [CC06], [Ob63] and [DC09].…”
Section: Introduction and Main Resultsmentioning
confidence: 99%