## A Note on the p-Adic Interpolation Function for Multiple Generalized Genocchi Numbers

**Serkan Araci**^{1,}, **Mehmet Acikgoz**^{2}, **Erdoğan Şen**^{3}

^{1}Hatay, Turkey

^{2}Department of Mathematics, Faculty of Science and Arts, University of Gaziantep, Gaziantep, Turkey

^{3}Department of Mathematics, Faculty of Science and Letters, Namik Kemal University, Tekirdağ, Turkey

### Abstract

In the present paper, we deal with multiple generalized Genocchi numbers and polynomials. Also, we introduce analytic interpolating function for the multiple generalized Genocchi numbers attached to χ at negative integers in complex plane and we de.ne the multiple Genocchi p-adic L-function. Finally, we derive the value of the partial derivative of our multiple p-adic l-function at s = 0.

**Keywords:** ** **multiple generalized Genocchi numbers and poly-nomials, Euler-Gamma function, p-adic interpolation function, multiple gen-eralized zeta function

*Turkish Journal of Analysis and Number Theory*, 2013 1 (1),
pp 17-22.

DOI: 10.12691/tjant-1-1-5

Received September 14, 2013; Revised September 21, 2013; Accepted September 23, 2013

**Copyright**© 2013 Science and Education Publishing. All Rights Reserved.

### Cite this article:

- Araci, Serkan, Mehmet Acikgoz, and Erdoğan Şen. "A Note on the p-Adic Interpolation Function for Multiple Generalized Genocchi Numbers."
*Turkish Journal of Analysis and Number Theory*1.1 (2013): 17-22.

- Araci, S. , Acikgoz, M. , & Şen, E. (2013). A Note on the p-Adic Interpolation Function for Multiple Generalized Genocchi Numbers.
*Turkish Journal of Analysis and Number Theory*,*1*(1), 17-22.

- Araci, Serkan, Mehmet Acikgoz, and Erdoğan Şen. "A Note on the p-Adic Interpolation Function for Multiple Generalized Genocchi Numbers."
*Turkish Journal of Analysis and Number Theory*1, no. 1 (2013): 17-22.

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### 1. Preliminaries

The works of generalized Bernoulli, Euler and Genocchi numbers and polynomials and their combinatorial relations have received much attention ^{[1]}, [8-32]^{[8]}, ^{[36, 37, 38]}. Generalized Bernoulli polynomials, generalized Euler polynomials and generalized Genocchi numbers and polynomials are the signs of very strong relationship between elementary number theory, complex analytic number theory, Homotopy theory (stable Homotopy groups of spheres), differential topol- ogy (differential structures on spheres), theory of modular forms (Eisenstein series), p-adic analytic numbers theory (p-adic L-functions), quantum physics(quantum Groups).

p-adic numbers also were invented by German Mathematician Kurt Hensel around the end of the nineteenth century. In spite of their being already one hundred years old, these numbers are still today enveloped in an aura of mystery within the scientific community. The p-adic integral was used in mathematical physics, for instance, the functional equation of the q-zeta function, q-stirling numbers and q- Mahler theory of integration with respect to the ring together with Iwasawa's P-adic L functions.

Also the p-adic interpolation functions of the Bernoulli and Euler polynomials have been treated by Tsumura ^{[39]}. Kim [11-34]^{[11]} also studied on p-adic inter- polation functions of these numbers and polynomials which are studied by many authors (see [3-43]^{[3]}). In the last decade, a surprising number of papers appeared proposing new generalizations of the Bernoulli, Euler and Genocchi polynomials to real and complex variables.

In [11-34]^{[11]}, Kim studied some families of multiple Bernoulli, Euler and Genocchi numbers and polynomials. By using the fermionic p-adic invariant integral on _{P}, he constructed p-adic Bernoulli, p-adic Euler and p-adic Genocchi numbers and polynomials of higher order.

While many of the properties of Genocchi polynomials bear a close resemblance to the corresponding properties of Bernoulli and Euler polynomials, some properties are rather different. Obviously, Genocchi polynomials are worthy of an investigation perse.

In this paper, by using Kim's method in ^{[28]}, we derive several properties for the multiple generalized Genocchi numbers attached to .

In the complex plane, Genocchi numbers are defined in the complex plane by the generating function:

(1.1) |

It follows from the description that , , , , , , and for . (see ^{[2, 3, 4, 7, 12, 13, 16]}).

The Genocchi polynomials are also given by the rule:

with the usual convention of replacing (see ^{[2, 3, 4, 7, 12, 13, 16]}).

Let . Then the multiple Genocchi polynomials of order are given by ^{[13]}

(1.2) |

Taking in (1.2), then we have are called the multiple Genocchi numbers of order .

For with f ≡ 1 (mod 2), we assume that is a primitive Dirichlet’s charachter with conductor f. It is known in ^{[13]} that the Genocchi numbers associated with , , was introduced by the following expression

(1.3) |

In this paper, we contemplate the definition of the generating function of the multiple generalized Genocchi numbers attached to in the complex plane. From this definition, we introduce an analytic interpolating function for the multiple generalized Genocchi numbers attached to . Finally, we investigate behaviour of analytic interpolating function at s = 0.

### 2. On an Analytic Function in Connection with the Multiple Generalized Genocchi Numbers

In this part, we introduce the multiple generalized Genocci numbers attached to defined by

(2.1) |

On account of (1.2) and (2.1), we easily derive the following

(2.2) |

For , we have

(2.3) |

where is Euler-Gamma function, which is de.ned by the rule

Thanks to (2.3), we give the multiple Genocchi-zeta function as follows: for and ,

(2.4) |

By (1.2) and (2.3), we see that

for .

By utilizing from complex integral and (2.1), we obtain the following equation: for .

(2.5) |

where is the primitive Dirichlet’s character with conductor

Because of (2.5), we give the de.nition Dirichlet’s type of multiple Genocchi L-function in complex plane as follows:

(2.6) |

Via the (2.1) and (2.6), we derive the following theorem:

**Theorem 1.*** For any**, then we have*

(2.7) |

Let s be a complex variable, and let a and b be integer with and

Thus， we can consider the partial zeta function as follows:

(2.8) |

**Theorem 2.** *The following identity holds:*

Then Dirichlet’s type of multiple L-function can be expressed as the sum: for

(2.9) |

Substituting into (2.8), we readily derive the following: for

(2.10) |

By (1.2), it is simple to indicate the following

(2.11) |

Thanks to (2.8), (2.10) and (2.11), we develop the following theorem:

**Theorem 3. ***The following identity*

(2.12) |

*is true.*

From (2.9), (2.10) and (2.12), we have the following corollary:

**Corollary 1.*** The following holds true:*

(2.13) |

The values of at negative integers are algebraic, hence may be regarded as lying in an extension of . We therefore look for a p-adic function which agrees with at the negative integers in the next section.

### 3. Conclusion

In this final section, we consider p-adic interpolation function of the multiple generalized Genocchi L-function, which interpolate Dirichlet.s type of multiple Genocchi numbers at negative integers. Firstly, Washington constructed *p*-adic *l*-function which interpolates generalized classical Bernoulli numbers.

Here, we use some the following notations, which will be useful in remainder of paper.

Let denote the *Teichmüller* character by the conductor For an arbitrary character , we set , , in the sense of product of characters.

Let

Thus, we note that . Let

be a sequence of power series, each convergent on a fixed subset

of such that

(1) as for any ;

(2) for each and ,there exists an such that

So,

for all

This was firstly introduced by Washington ^{[41]} to indicate that each functions and

Where is multiple of and and is the -th Bernoulli numbers, is analytic on (for more information, see ^{[41]}).

We assume that is a primitive Dirichlet’s character with conductor with . Then we contemplate the multiple Genocchi p-adic L-function, , which interpolates the multiple generalized Genocchi numbers attached to at negative integers.

For with , let us assume that is a positive integral multiple of *p* and . We now give the definition of mutiple Genocchi p-adic L-function as follows:

(3.1) |

Due to (3.1), we want to note that is an analytic function on

For , we have

(3.2) |

If , then , and so the ratio is a multiple .

Let

for some with .

Therefore we can write the following

(3.3) |

By (3.3), we de.ne the different multiple generalized Genocchi numbers attached to as follows:

(3.4) |

On accounct of (3.2), (3.3) and (3.4), we attain the following

(3.5) |

By the definition of the multiple Genocchi polynomials of order , we write the following

(3.6) |

By (3.5) and (3.6), we have

(3.7) |

By (3.1) and (3.7), we readily see that

(3.8) |

Consequently, we arrive at the following theorem.

**Theorem 4.** The following nice identity holds true:

Thus is an analytic function on . Additionally, for each , we procure the following:

Using Taylor expansion at s = 0, we have

(3.9) |

Differentiating on both sides in (3.1), with respect to s at s = 0, we obtain the following corollary.

**Theorem 5. ***Let F be a positive integral multiple of p and f. Then we have*

*where** **is the p-adic* *logarithm.*

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