Multiparameter Higher Order Daehee and Bernoulli Numbers and Polynomials ()
1. Fundamental and Principles
The n-th Daehee polynomials are defined by [1] - [9] .
(1)
If
hence
are called Daehee numbers,
For
,
(2)
For
, Kim [1] introduced Daehee numbers of the first kind of order k by
(3)
where n is nonnegative integer.
The generating function of these numbers are given by
(4)
where
.
The higher-order Daehee polynomials are defined by, [10]
(5)
For
, the Bernoulli polynomials of order k are defined by, see [1] [11] [12] [13] ,
(6)
when
are called the Bernoulli numbers of order k.
Also, Kim proved that
(7)
and
(8)
An explicit formula for higher-order Daehee numbers are given by
(9)
where
are the Stirling numbers of the first kind, see [1] [10] .
In this article, Sections 2 and 3, give a new generalization of higher order Daehee numbers and polynomials which are called the multiparameter higher order Daehee numbers and polynomials of the first kind. In Sections 4 and 5, we define the multiparameter higher order Daehee numbers and polynomials of the second kind. Furthermore, the relations between these numbers and Stirling and Bernoulli numbers are obtained.
2. Multiparameter Higher Order Daehee Numbers of the First Kind
The multiparameter higher order Daehee numbers of the first kind
are defined by
(10)
where n is nonnegative integer.
Theorem 1. The numbers
satisfy the relation
(11)
Proof. The generalized Comtet numbers of the first and second kind,
and
, (see [14] [15] [16] ), are defined, respectively, by
(12)
and
(13)
where
From Equation (10) and using Equation (12), we have
(14)
Substituting from Equation (3) into Equation (14) we have
(15)
Since, see [15] ,
(16)
hence we obtain Equation (11).
Next we derive the following theorem which gives a representation of the multiparameter higher order Daehee numbers of the first kind in terms of the generalized multiparameter non central Stirling numbers of the second kind and Stirling number of the first kind, see [1] [10] [17] .
Theorem 2. The numbers
satisfy the relation
(17)
Proof. Substituting from Equation (9) into Equation (11) we obtain Equation (17).
Remark 1:
(18)
Theorem 3. The numbers
satisfy the relation
(19)
Proof. Using Equation (7) in Equation (11 ) we have
(20)
Substituting from [15, Equation (4.5)] into Equation (20), we obtain Equation (19).
Theorem 4. The numbers
satisfy the relation
(21)
Proof. From Equation (19)
we can write this equation in the matrix form as follows
(22)
thus we get
(23)
this matrix form is equivalent to Equation (21).
3. Multiparameter Higher Order Daehee Polynomials of the First Kind
The multiparameter higher order Daehee polynomials of the first kind
are defined by
(24)
Theorem 5. The polynomials
satisfy the relation
(25)
Proof. From Equation (24) we have
(26)
Substituting from Equation (5) into Equation (26) we have
(27)
substituting from Equation (16) into Equation (27) we obtain Equation (25).
Theorem 6. The polynomials
satisfy the relation
(28)
Proof. Using Equation (7) in Equation (25) we have
(29)
Substituting from [15, Equation (4.5)] into Equation (29) we obtain Equation (28).
Theorem 7. The polynomials
satisfy the relation
(30)
Proof. From Equation (28)
this equation can be written in the following matrix form
We easily have the matrix form
This is equivalent to Equation (30).
Moreover some interesting special cases are investigated.
Some special cases:
Case 1: Setting
in Equation (10), we obtain
(31)
Corollary 1. The numbers
satisfy the relation
(32)
Proof. Setting
in Equation (11), we obtain Equation (32).
Corollary 2. The numbers
satisfy the relation
(33)
Proof. Setting
in Equation (19), we get Equation (33).
Case 2: Setting
in Equation (31) we have
(34)
Corollary 3. The numbers
satisfy the relation
(35)
Proof. Let
in Equation (32), we obtain Equation (35).
Corollary 4. The numbers
satisfy the relation
(36)
Proof. Setting
in Equation (33), we obtain Equation (36).
Theorem 8.
(37)
Proof. Substituting by
(see [2] [10] ) in Equation (34) and
Equation (35), we obtain Equation (37).
Case 3: Setting
in Equation (10) we obtain
(38)
and
4. Multiparameter Higher Order Daehee Numbers of the Second Kind
The multiparameter higher order Daehee numbers of the second kind
are defined by
(39)
Theorem 9. The numbers
satisfy the relation
(40)
where
.
Proof. Using Equation (39) we have
(41)
substituting from Equation (16) in Equation (41), then we obtain Equation (40).
Next we derive the following theorem which gives a representation of multi- parameter higher order Daehee numbers of the second kind in terms of the generalized multiparameter non-central Stirling numbers of the second kind and Stirling number of the first kind, see [1] [10] [17] .
Theorem 10. The numbers
satisfy the relation
(42)
Proof. Substituting Equation (9) in Equation (40), we obtain Equation (42).
Remark 2: For
,
(43)
Theorem 11. The numbers
satisfy the relation
(44)
Proof. Substituting Equation (7) in Equation (40) we have
Using [15, Equation (4.5)], we obtain Equation (44).
Theorem 12. The numbers
satisfy the relation
(45)
Proof. Equation (44) can be written in a matrix form as
(46)
hence we get
(47)
this is equivalent to Equation (45). Where
is the diagonal
matrix with elements
5. Multiparameter Higher Order Daehee Polynomials of the Second Kind
The multiparameter higher order Daehee polynomials of the second kind
are defined by
(48)
Theorem 13. The polynomials
satisfy the relation
(49)
Proof. Using Equation (48) we have
(50)
Substituting from Equation (16) into Equation (50), we obtain Equation (49).
Theorem 14. The polynomials
satisfy the relation
(51)
Proof. Using Equation (7) in Equation (49), we have
(52)
Substituting from [15, Equation (4.5)] into Equation (52), we obtain Equation (51).
Next we derive some important special cases.
Some special cases:
Case 1: Setting
in Equation (39), we obtain
(53)
Corollary 5. The numbers
satisfy the relation
(54)
Corollary 6. The numbers
satisfy the relation
(55)
Case 2: Setting
in Equation (53), we obtain
(56)
Corollary 7. The numbers
satisfy the relation
(57)
Corollary 8. The numbers
satisfy the relation
(58)
Theorem 15.
(59)
Proof. Substituting by
(see [18] ) in Equation (56) and Equa-
tion (57), we obtain Equation (58).
6. Conclusion
In this paper we define the multiparameter higher order Daehee numbers and polynomials of the first and second kind. Some new results for these numbers and polynomials are derived. Furthermore, some interesting special cases of the multiparameter higher order Daehee and Bernoulli numbers and polynomials are deduced.
Acknowledgements
We thank the Editor and the referee for their comments.