`Abstract and Applied AnalysisVolume 2012, Article ID 674210, 10 pageshttp://dx.doi.org/10.1155/2012/674210`
Research Article

## Identities Involving -Bernoulli and -Euler Numbers

1Department of Mathematics, Sogang University, Seoul 121-742, Republic of Korea
2Department of Mathematics, Kwangwoon University, Seoul 139-701, Republic of Korea
3Division of General Education-Mathematics, Kwangwoon University, Seoul 139-701, Republic of Korea

Received 18 January 2012; Revised 24 February 2012; Accepted 24 February 2012

Copyright © 2012 D. S. Kim et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

#### Abstract

We give some identities on the q-Bernoulli and q-Euler numbers by using p-adic integral equations on .

#### 1. Introduction

Let be a fixed odd prime number. Throughout this paper, , , and will denote the ring of -adic integers, the field of -adic rational numbers, and the completion of algebraic closure of , respectively. Let be the set of natural numbers and . The -adic norm is normally defined by .

As it is well known, the Euler polynomials are defined by with the usual convention about replacing by   (see [114]). In the special case, , is called the th Euler number.

The ordinary Bernoulli polynomials are also defined by with the usual convention about replacing by h (see [114]). In the special case, , is called the th Bernoulli number.

Let be the space of uniformly differentiable functions on . For , the bosonic -adic integral on is defined by (see [1, 7]). Let be the translation of with . From (1.3) we have (see [1, 7]).

The fermionic -adic integral on is also defined by T. Kim as follows: (see [6, 15, 16]). By (1.5), we get (see [6, 8]).

Let with and . From (1.4), we have Thus, by (1.7), we see that By (1.8), we get As an indeterminate, let us assume that with .

From (1.1) and (1.6), we note that the -Euler polynomials are given by where are called the th -Euler polynomials (see [1, 3, 6, 8]).

Thus, by (1.10), we get In the special case, , is called the th -Euler number (see [8, 9]). By (1.10) and (1.11), we get the recurrence formula for the -Euler numbers as follows: with the usual convention about replacing by . Here is the -number of and is the Kronecker symbol (see [10, 11]).

From (1.2), (1.7), and (1.8), we have with the usual convention about replacing by (see [1, 3, 14]).

From (1.11), we easily see that (see [14]).

In this paper we give some interesting properties of -adic integrals on associated with the -Bernoulli and the -Euler numbers. From those properties, we derive new identities involving the -Bernoulli and the -Euler numbers arising from -adic integrals of polynomial identities.

#### 2. Identities on -Bernoulli and -Euler Numbers

Let be the cyclic group of order with . Then is defined by the direct limit as . In this section, we assume that , then . From (1.4), we can derive the following equation (2.1): where is called the th -Bernoulli polynomial (see [7]). In the special case, , is called the th -Bernoulli number.

By (2.1), we get with the usual convention about replacing by (see [7, 14]).

From (1.3), we have By (2.3), we get From (2.1) and (2.4), we have By using (1.4), we see that Thus, by (2.1) and (2.6), we get Therefore, by (2.5) and (2.7), we obtain the following theorem.

Theorem 2.1. For , one has

From (1.5) and (1.6), we note that Therefore, by (1.11) and (2.9), we obtain the following theorem.

Theorem 2.2. For , one has

By (1.6), we get Thus, by (1.11) and (2.11), we have Therefore, by Theorem 2.2 and (2.12), we obtain the following theorem.

Theorem 2.3. For , one has

By using the -adic integrals on , we have the following equation (2.14): By (2.14), we get It is not difficult to show that Therefore, by (2.15) and (2.16), we obtain the following theorem.

Theorem 2.4. For , one has

By (2.5), (2.7), (2.12), Theorems 2.1, and 2.3, we get From (2.1), we have Let From (2.18), (2.20), and (2.21), we note that By (2.5), we get By (2.3), we easily see that where is the Kronecker symbol.

Thus, by (2.23) and (2.24), we get By (2.22) and (2.25), we get Therefore, by (2.21) and (2.26), we obtain the following theorem.

Theorem 2.5. For , one has

Let us consider the following integral: By (2.19), we get From Theorem 2.2, we note that By (1.12), we get Thus, by (2.30) and (2.31), we get From (2.29) and (2.32), we note that Therefore, by (2.28) and (2.33), we obtain the following theorem.

Theorem 2.6. For , one has

Now we consider the fermionic -adic integral on for the th -Euler polynomials as follows: On the other hand, by Theorem 2.2, we get From (2.32) and (2.36), we note that Therefore, by (2.35) and (2.37), we obtain the following theorem.

Theorem 2.7. For , one has

From (2.1) and (2.7), we note that Let us consider the following fermionic -adic integral on : Therefore, by (2.40), we obtain the following theorem.

Theorem 2.8. For , one has

From (1.10) and (2.12), we note that Thus, by (2.42), we get Thus, by (2.43), we have

#### Acknowledgments

The authors would like to express their sincere gratitude to referees for their valuable suggestions and comments. The first author was supported by National Research Foundation of Korea Grant funded by the Korean Government 2011-0002486.

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