Total Positivity of Almost-Riordan Arrays Total Positivity of Almost-Riordan Arrays

In this paper we study the total positivity of almost-Riordan arrays ( d ( t ) | g ( t ) , f ( t ) ) and establish its necessary conditions and sufficient conditions, particularly, for some well-used formal power series d ( t ). We present a semidirect product of an almost-array and use it to transf...

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Bibliographic Details
Published in:	Graphs and combinatorics Vol. 41; no. 6; p. 115
Main Authors:	He, Tian-Xiao, Słowik, Roksana
Format:	Journal Article
Language:	English
Published:	Tokyo Springer Japan 01.12.2025 Springer Nature B.V
Subjects:	Arrays Combinatorics Engineering Design Mathematics Mathematics and Statistics Original Paper Power series Almost-Riordan array Almost-Riordan group 11B83 Riordan array 15A06 05A19 15B36 05A05 05A15 Riordan group Quasi-Riordan array
ISSN:	0911-0119, 1435-5914
Online Access:	Get full text
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