Some Identities Involving Derangement Polynomials and Numbers and Moments of Gamma Random Variables
The problem of counting derangements was initiated by Pierre Rémond de Montmort in 1708. A derangement is a permutation that has no fixed points, and the derangement number Dn is the number of fixed point free permutations on an n element set. Furthermore, the derangement polynomials are natural ext...
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Wiley
2020-01-01
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Series: | Journal of Function Spaces |
Online Access: | http://dx.doi.org/10.1155/2020/6624006 |
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author | Lee-Chae Jang Dae San Kim Taekyun Kim Hyunseok Lee |
author_facet | Lee-Chae Jang Dae San Kim Taekyun Kim Hyunseok Lee |
author_sort | Lee-Chae Jang |
collection | DOAJ |
description | The problem of counting derangements was initiated by Pierre Rémond de Montmort in 1708. A derangement is a permutation that has no fixed points, and the derangement number Dn is the number of fixed point free permutations on an n element set. Furthermore, the derangement polynomials are natural extensions of the derangement numbers. In this paper, we study the derangement polynomials and numbers, their connections with cosine-derangement polynomials and sine-derangement polynomials, and their applications to moments of some variants of gamma random variables. |
format | Article |
id | doaj-art-adcd9b8d0fad49f7809fb581457f98fb |
institution | Kabale University |
issn | 2314-8896 2314-8888 |
language | English |
publishDate | 2020-01-01 |
publisher | Wiley |
record_format | Article |
series | Journal of Function Spaces |
spelling | doaj-art-adcd9b8d0fad49f7809fb581457f98fb2025-02-03T06:45:52ZengWileyJournal of Function Spaces2314-88962314-88882020-01-01202010.1155/2020/66240066624006Some Identities Involving Derangement Polynomials and Numbers and Moments of Gamma Random VariablesLee-Chae Jang0Dae San Kim1Taekyun Kim2Hyunseok Lee3Graduate School of Education, Konkuk University, Seoul 143-701, Republic of KoreaDepartment of Mathematics, Sogang University, Seoul 121-742, Republic of KoreaDepartment of Mathematics, Kwangwoon University, Seoul 139-701, Republic of KoreaDepartment of Mathematics, Kwangwoon University, Seoul 139-701, Republic of KoreaThe problem of counting derangements was initiated by Pierre Rémond de Montmort in 1708. A derangement is a permutation that has no fixed points, and the derangement number Dn is the number of fixed point free permutations on an n element set. Furthermore, the derangement polynomials are natural extensions of the derangement numbers. In this paper, we study the derangement polynomials and numbers, their connections with cosine-derangement polynomials and sine-derangement polynomials, and their applications to moments of some variants of gamma random variables.http://dx.doi.org/10.1155/2020/6624006 |
spellingShingle | Lee-Chae Jang Dae San Kim Taekyun Kim Hyunseok Lee Some Identities Involving Derangement Polynomials and Numbers and Moments of Gamma Random Variables Journal of Function Spaces |
title | Some Identities Involving Derangement Polynomials and Numbers and Moments of Gamma Random Variables |
title_full | Some Identities Involving Derangement Polynomials and Numbers and Moments of Gamma Random Variables |
title_fullStr | Some Identities Involving Derangement Polynomials and Numbers and Moments of Gamma Random Variables |
title_full_unstemmed | Some Identities Involving Derangement Polynomials and Numbers and Moments of Gamma Random Variables |
title_short | Some Identities Involving Derangement Polynomials and Numbers and Moments of Gamma Random Variables |
title_sort | some identities involving derangement polynomials and numbers and moments of gamma random variables |
url | http://dx.doi.org/10.1155/2020/6624006 |
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