On the r-Shifted Central Coefficients of Riordan Matrices

By presenting Riordan matrix as a triangle, the central coefficients are entries in the central column. Starting at the central column, the r-shifted central coefficients are entries in column r of the right part of the triangle. This paper aims to characterize the r-shifted central coefficients of...

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Main Authors: Sai-nan Zheng, Sheng-liang Yang
Format: Article
Language:English
Published: Wiley 2014-01-01
Series:Journal of Applied Mathematics
Online Access:http://dx.doi.org/10.1155/2014/848374
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author Sai-nan Zheng
Sheng-liang Yang
author_facet Sai-nan Zheng
Sheng-liang Yang
author_sort Sai-nan Zheng
collection DOAJ
description By presenting Riordan matrix as a triangle, the central coefficients are entries in the central column. Starting at the central column, the r-shifted central coefficients are entries in column r of the right part of the triangle. This paper aims to characterize the r-shifted central coefficients of Riordan matrices. Here we will concentrate on four elements of the subgroups of the Riordan group, that is, the Bell subgroup, the associated subgroup, the derivative subgroup, and the hitting time subgroup. Some examples are presented to show how we deduce the generating functions for interesting sequences by using different means of calculating these r-shifted central coefficients. Besides, we make some extensions in the Bell subgroup.
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institution Kabale University
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series Journal of Applied Mathematics
spelling doaj-art-9fb94ae6559f41a4b9c28cf2a499f5332025-02-03T01:21:09ZengWileyJournal of Applied Mathematics1110-757X1687-00422014-01-01201410.1155/2014/848374848374On the r-Shifted Central Coefficients of Riordan MatricesSai-nan Zheng0Sheng-liang Yang1Department of Applied Mathematics, Lanzhou University of Technology, Lanzhou, Gansu 730050, ChinaDepartment of Applied Mathematics, Lanzhou University of Technology, Lanzhou, Gansu 730050, ChinaBy presenting Riordan matrix as a triangle, the central coefficients are entries in the central column. Starting at the central column, the r-shifted central coefficients are entries in column r of the right part of the triangle. This paper aims to characterize the r-shifted central coefficients of Riordan matrices. Here we will concentrate on four elements of the subgroups of the Riordan group, that is, the Bell subgroup, the associated subgroup, the derivative subgroup, and the hitting time subgroup. Some examples are presented to show how we deduce the generating functions for interesting sequences by using different means of calculating these r-shifted central coefficients. Besides, we make some extensions in the Bell subgroup.http://dx.doi.org/10.1155/2014/848374
spellingShingle Sai-nan Zheng
Sheng-liang Yang
On the r-Shifted Central Coefficients of Riordan Matrices
Journal of Applied Mathematics
title On the r-Shifted Central Coefficients of Riordan Matrices
title_full On the r-Shifted Central Coefficients of Riordan Matrices
title_fullStr On the r-Shifted Central Coefficients of Riordan Matrices
title_full_unstemmed On the r-Shifted Central Coefficients of Riordan Matrices
title_short On the r-Shifted Central Coefficients of Riordan Matrices
title_sort on the r shifted central coefficients of riordan matrices
url http://dx.doi.org/10.1155/2014/848374
work_keys_str_mv AT sainanzheng onthershiftedcentralcoefficientsofriordanmatrices
AT shengliangyang onthershiftedcentralcoefficientsofriordanmatrices