On the -Bernoulli Numbers and Polynomials with Weight
T. Kim1and J. Choi1
Academic Editor: Elena Litsyn
Received13 May 2011
Accepted26 Jul 2011
Published01 Oct 2011
Abstract
We present a systemic study of some families of higher-order -Bernoulli numbers and polynomials with weight . From these studies, we derive some interesting identities on the -Bernoulli numbers and polynomials with weight .
1. Introduction
Let be a fixed odd prime number. Throughout this paper, , , and will denote the ring of -adic rational integers, the field of -adic rational numbers, and the completion of algebraic closure of , respectively. The -adic norm of is defined as , where with , and . Let and be the set of natural numbers and integers, respectively, . Let with . The notation of -number is defined by and , (see [1–13]).
As the well known definition, the Bernoulli polynomials are defined by
In the special case, , are called the th Bernoulli numbers. That is, the recurrence formula for the Bernoulli numbers is given by
with the usual convention about replacing with .
In [1, 2], -extension of Bernoulli numbers are defined by Carlitz as follows:
with the usual convention about replacing with .
By (1.2) and (1.3), we get . In this paper, we assume that .
In [7], the -Bernoulli numbers with weight are defined by Kim as follows:
with the usual convention about replacing with .
Let be the space of uniformly differentiable functions on . For , the -adic -integral on is defined as
(see[4, 5]). From (1.5), we note that
where and .
By (1.4), (1.5), and (1.6), we set
(see[7]). The -Bernoulli polynomials are also given by
The purpose of this paper is to derive a new concept of higher-order -Bernoulli numbers and polynomials with weight from the fermionic -adic -integral on . Finally, we present a systemic study of some families of higher-order -Bernoulli numbers and polynomials with weight .
2. Higher Order -Bernoulli Numbers with Weight
Let and in this paper. For and , we consider the expansion of higher-order -Bernoulli polynomials with weight as follows:
For , let us define weighted -Bernoulli polynomials as follows:
By (4.1), we easily see that
Therefore, by (4.2), we obtain the following theorem.
Theorem 4.1. For and , we have
From (4.1), we can derive the following equation:
By (4.4), we easily get
From (4.1), we have
where .
By (4.6), we get the following recurrence formula:
with the usual convention about replacing with .
From (1.6), we note that
For , by (4.8), we have
If , then we get
Let . By (4.9), we get
From (4.6) and (4.11), we note that
If we take in (4.12), then we have
Therefore, by (4.12) and (4.13), we obtain the following theorem.
Theorem 4.2. For , we have
By (4.7) and Theorem 4.2, we obtain the following corollary.
Corollary 4.3. For , we have
with the usual convention about replacing with .
From (4.1), we have
It is not difficult to show that
Therefore, by (4.17), we obtain the following theorem.
Theorem 4.4. For , we have
For in Theorem 4.4, we get
Therefore, by (4.19), we obtain the following corollary.
Corollary 4.5. For and with , we have
Let . By (4.1), we see that
By (4.1) and (4.21), we obtain the following equation:
where and .
5. Polynomials and
From (2.1), we note that
From (5.1), we have
Therefore, by (5.3), we obtain the following theorem.
Theorem 5.1. For and , we have
It is easy to show that
Thus, by (5.5), we obtain the following proposition.
Proposition 5.2. For , we have
For , we get
Thus, we obtain
Equation (5.8) is multiplication formula for the -Bernoulli polynomials of order with weight .
Let us define . Then we see that
Therefore, by (5.9) and (5.10), we obtain the following theorem.
Theorem 5.3. For and , we have
Let in Theorem 5.3. Then we see that
From Theorem 5.1, we can derive the following equation:
By (5.9), we easily get
From the definition of -adic -integral on , we note that
Thus, by (5.15), we get
By the definition of polynomial , we see that
with the usual convention about replacing with .
The present research has been conducted by the Research Grant of Kwangwoon University in 2011. The authors would like to express their gratitude to referees for their valuable suggestions and comments.
References
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