Abstract and Applied Analysis

Volume 2012, Article ID 847901, 12 pages

http://dx.doi.org/10.1155/2012/847901

## Some Properties and Identities of Bernoulli and Euler Polynomials Associated with *p*-adic Integral on

^{1}Department of Mathematics, Sogang University, Seoul, Republic of Korea^{2}Department of Mathematics, Kwangwoon University, Seoul, Republic of Korea^{3}Hanrimwon, Kwangwoon University, Seoul, Republic of Korea^{4}Division of General Education, Kwangwoon University, Seoul, Republic of Korea^{5}Department of Mathematics Education, Kyungpook National University, Taegu, Republic of Korea

Received 15 December 2011; Accepted 8 February 2012

Academic Editor: Ibrahim Sadek

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 investigate some properties and identities of Bernoulli and Euler polynomials. Further, we give some formulae on Bernoulli and Euler polynomials by using *p*-adic integral on .

#### 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 the algebraic closure of . Let be the normalized exponential valuation of with .

For , the -adic invariant integral on in the bosonic sense is defined by (see [1, 2]). The fermionic -adic integral on is defined by Kim as follows: (see [3]). As is well known, Bernoulli polynomials are defined by with the usual convention about replacing by , symbolically (see [1–19]). In the special case , is called the th Bernoulli number.

The Euler polynomials are also defined by the generating function as follows: with the usual convention about replacing by , symbolically (see [1–19]). In the special case , is called the -th Euler number.

By (1.3) and (1.4), we easily see that where (see [14, 16, 19]).

The following properties of Bernoulli numbers and polynomials are well known (see [10, 11]).

For , where is Gauss’ symbol.

First, we investigate some identities of Euler polynomials corresponding to (1.6), (1.7) and (1.8). From those identities, we derive some interesting identities and properties by using -adic integral on .

#### 2. Some Identities of Bernoulli and Euler Polynomials

By (1.4), we get From (2.1), we note that Thus, we have Replacing by in (2.3), we obtain the following proposition.

Proposition 2.1. *For , one has
*

Let us replace by in Proposition 2.1. Then we have Thus, we see that Therefore, adding (2.4) and (2.6), we obtain the following proposition.

Proposition 2.2. *For , one has
*

From (2.2), we note that By (2.3) and (2.8), we get Therefore, replacing by , we obtain the following proposition.

Proposition 2.3. *For , one has
*

Letting in Proposition 2.1, we have Therefore, by (2.11) and (2.12), we obtain the following corollary.

Corollary 2.4. *For , one has
*

Replacing by 1 and by in Proposition 2.2, we have Therefore, by (2.14), we obtain the following corollary.

Corollary 2.5. *For , one has
*

Replacing by 1 and by in Proposition 2.3, we have Therefore, by (2.16), we obtain the following corollary.

Corollary 2.6. *For , one has
*

Replacing by and by in Proposition 2.3, we get Thus, we have Therefore, by (2.19) and (2.20), we obtain the following corollary.

Corollary 2.7. *For , we have
*

Replacing by 1 and by in Proposition 2.2, we get Therefore, by (2.22), we obtain the following corollary.

Corollary 2.8. *For , one has
*

Replacing by and by 1 in Proposition 2.3, we get Therefore, by (2.24), we obtain the following corollary.

Corollary 2.9. *For , we have
*

Replacing by and by in Proposition 2.2, we have Thus, by multipling on both sides, we get By (2.20) and (2.27), we see that Therefore, by (2.28), we obtain the following corollary.

Corollary 2.10. *For , we have
*

From (1.6), we can derive the following equation: Let us take the -adic integral on both sides in (2.30) as follows: for , On the other hand, Therefore, by (2.31) and (2.32), we obtain the following theorem.

Theorem 2.11. *For , one has
*

In (2.30), let us take the fermionic -adic integral on both sides as follows: On the other hand Therefore, by (2.34) and (2.35), we obtain the following theorem.

Theorem 2.12. *For , one has
*

From (1.7), we can easily derive the following equation: Let us take on both sides in (2.37). Then we have On the other hand, where is a Kronecker symbol.

Therefore, by (2.38) and (2.39), we obtain the following theorem.

Theorem 2.13. *For , one has
*

Taking on both sides in (2.37), we get On the other hand Therefore, by (2.41) and (2.42), we obtain the following theorem.

Theorem 2.14. *For , one has
*

From (1.8), we can also derive the following equation: Let us take the bosonic -adic integral on both sides in (2.44). Then we get On the other hand, Therefore, by (2.45) and (2.46), we obtain the following theorem.

Theorem 2.15. *For , one has
*

Now, let us consider the fermionic -adic integral on both sides in (2.44): On the other hand, Therefore, by (2.48) and (2.49), we obtain the following theorem.

Theorem 2.16. *For , one has
*

#### Acknowledgment

The first author was supported by National Research Foundation of Korea Grant funded by the Korean Government 2011-0002486.

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