Journal of Applied Mathematics and Physics
Vol.06 No.10(2018), Article ID:87728,11 pages
10.4236/jamp.2018.610168

On Tachibana and Vishnevskii Operators Associated with Certain Structures in the Tangent Bundle

Lovejoy S. Das1, Mohammad Nazrul Islam Khan2

1Department of Mathematics, Kent State University, Tuscarawas, New Philadelphia, OH, USA

2Department of Computer Engineering, College of Computer, Qassim University, Buraidah, KSA

Copyright © 2018 by authors and Scientific Research Publishing Inc.

This work is licensed under the Creative Commons Attribution International License (CC BY 4.0).

http://creativecommons.org/licenses/by/4.0/

Received: July 17, 2018; Accepted: October 7, 2018; Published: October 10, 2018

ABSTRACT

The aim of the present work is to study the complete, vertical and horizontal lifts using Tachibana and Visknnevskii operators along generalized almost r-contact structure in tangent bundle. We also prove certain theorems on Tachibana and Visknnevskii operators with Lie derivative and lifts.

Keywords:

Tangent Bundle, Vertical Lift, Complete Lift, Lie Derivative, Tachibana Operator, Vishnevskii Operator

1. Introduction

Let M be an n-dimensional differentiable manifold and let T ( M ) = p M T p ( M ) be its tangent bundle. Then T ( M ) is also a differentiable manifold [1] . Let X = i = 1 n x i ( x i ) and η = i = 1 n η i d x i be the expressions in local coordinates for the vector field X and the 1-form η in M. Let ( x i , y i ) be local coordinates of point in T ( M ) induced naturally from the coordinate chart ( U , x i ) in M.

The complete, vertical and horizontal lifts of tensor field have vital role in differential geometry of tangent bundle. In 2016, [2] studied Tachibana and Vishneveskii operators applied to vertical and horizontal lifts in almost paracontact structure on the tangent bundle T(M). The generalized almost r-contact structure in tangent bundle and integrability of structure is studied by the second author [3] .

This paper is organized as follows: Section 2 describes some basic definitions and notations. Section 3 deals with the study of Tachibana and Vishnevskii operators for generalized almost r-contact structure in tangent bundle.

2. Preliminaries

2.1. Vertical Lifts

If f is a function in M, we write f V for the function in T ( M ) obtained by forming the composition of π : T ( M ) M and f : M R , so that

f V = f π (1)

where is composition of f and pi.

Thus, if a point p ˜ ϵ π 1 ( U ) has induced coordinates ( x h , y h ) then

f V ( p ˜ ) = f V ( x , y ) = f π ( p ˜ ) = f ( p ) = f ( x ) (2)

Thus the value of f V ( p ˜ ) is constant along each fibre T p ( M ) and equal to the value f ( p ) . We call f V the vertical lift of the function f.

Vertical lifts to a unique algebraic isomorphism of the tensor algebra ( M ) into the tensor algebra ( T ( M ) ) with respect to constant coefficients by the conditions (Tensor product of P and Q)

( P Q ) V = P V Q V , ( P + R ) V = P V + R V (3)

P, Q and R being arbitrary elements of ( M ) .

Furthermore, the vertical lifts of tensor fields obey the general properties [4] [5] :

(a) ( f g ) V = f V g V , ( f + g ) V = f V + g V ,

(b) ( X + Y ) V = X V + Y V , ( f X ) V = f V X V , X V f V = 0 , [ X V , Y V ] = 0 ,

(c) ( f η ) V = f V η V , η V ( X V ) = 0 , X V ( Y V ) = 0 ,

f , g 0 0 ( M ) , X , Y 0 1 ( M ) , η 1 0 ( M ) .

2.2. Complete Lifts

If f is a function in M, we write f C for the function in T ( M ) defined by [1]

f C = i (df)

and call f C the complete lift of the function f. The complete lift f C of a function f has the local expression

f C = y i i f = f

with respect to the induced coordinates in T ( M ) , where f denotes y i i f .

Suppose that X 0 1 ( M ) . We define a vector field X C in T ( M ) by

X C f C = ( X f ) C

f being an arbitrary function in M and call X C the complete lift of X in T ( M ) .

The complete lift X C of X with components x h in M has components

X C : [ x h x h ]

with respect to the induced coordinates in T ( M ) .

Suppose that η 0 1 ( M ) Then a 1-form η C in T ( M ) defined by

η C ( X C ) = ( η ( X ) ) C

X being an arbitrary vector field in M. We call η C the complete lift of η .

The complete lifts to a unique algebra isomorphism of the tensor algebra ( M ) into the tensor algebra ( T ( M ) ) with respect to constant coefficients, is given by the conditions

( P Q ) C = P C Q V + P V Q C , ( P + R ) C = P C + R C

P, Q and R being arbitrary elements of ( M ) .

Moreover, the complete lifts of tensor fields obey the general properties [1] [4] :

(a) ( f X ) C = f C X V + f V X C = ( X f ) C , X C f V = ( X f ) V , X V f C = ( X f ) V ,

(b) ϕ V X C = ( ϕ X ) V , ϕ C X V = ( ϕ X ) V , ( ϕ X ) C = ϕ C X C ,

(c) η V X C = ( η ( X ) ) C , η C X V = ( η ( X ) ) V ,

(d) [ X V , Y C ] = [ X , Y ] C , I C = I , I V I C = X V , [ X C , Y C ] = [ X , Y ] C

f , g 0 0 ( M ) , X , Y 0 1 ( M ) , η 1 0 ( M ) .

2.3. Horizontal Lifts

The horizontal lift f H of f 0 0 ( M ) to the tangent bundle T ( M ) by

( f ) H = f C γ f (4)

where

γ f = γ ( f ) ,

Let X 0 1 ( M ) . Then the horizontal lift X H of X defined by

X H = X C γ X (5)

in T ( M ) , where

γ X = γ (∇X)

The horizontal lift X H of X has the components

[ x h Γ i h x i ] (6)

with respect to the induced coordinates in T ( M ) , where Γ i h = y j Γ j i h .

The horizontal lift S H of a tensor field S of arbitrary type in M to T ( M ) is defined by

S H = S C γ S (7)

for all P , Q ( M ) . We have

γ ( P Q ) = ( γ P ) Q V + P V ( γ Q )

or

( P Q ) H = P H Q V + P V Q H . (8)

In addition, the horizontal lifts of tensor fields obey the general properties [4] [6] :

(a) X H f V = ( X f ) V , ϕ V X H = ( ϕ X ) V , ϕ C X H = ( ϕ X ) H + ( γ ϕ ) X H ;

(b) η V ( X H ) = ( η ( X ) ) H , η C ( X H ) = ( η ( X ) ) C γ ( η ( X ) ) ;

(c) η H ( X C ) = η H ( γ X ) , η H ( X H ) = 0

f , g 0 0 ( M ) , X , Y 0 1 ( M ) , η 1 0 ( M ) , ϕ 1 1 ( M ) .

Let X be a vector field in an n-dimensional differentiable manifold M. The differential transformation L X is called Lie derivative with respect to X if

(a) L X f = X f , f 0 0 ( M ) ,

(b) L X Y = [ X , Y ] , X , Y 0 1 ( M ) .

The Lie derivative L X F of a tensor field F of type (1, 1) with respect to a vector field X is defined by

( L X F ) = [ X , F Y ] F [ X , Y ] (9)

where [ , ] is Lie bracket [1] page 113.

Let M be an n-dimensional differentiable manifold. Differential transformation of algebra T ( M ) defined by

D = X : T ( M ) T ( M ) , X 0 1 ( M ) , (10)

is called as covariant derivation with respect to vector field X if

(a) f X + g Y t = f X t + g Y t ,

(b) X f = X f ,

f , g 0 0 ( M ) , X , Y 0 1 ( M ) , t ( M ) .

and a transformation defined by

: 0 1 ( M ) × 0 1 ( M ) 0 1 ( M ) (11)

is called affine connection [1] .

Proposition 1. For any X , Y 0 1 ( M ) [4]

(a) [ X V , Y H ] = [ X , Y ] V ( X Y ) V = ( ^ X Y ) V ,

(b) [ X C , Y H ] = [ X , Y ] H γ ( L X Y ) ,

(c) [ X H , Y V ] = [ X , Y ] V + ( Y X ) V ,

(d) [ X C , Y H ] = [ X , Y ] H γ R ^ ( X , Y )

where R ^ denotes the curvature tensor of the affine connection ^ .

Proposition 2. For any X , Y 0 1 ( M ) , f 0 0 ( M ) and H is the horizontal lift of the affine connection to T ( M ) [1]

(a) X V H Y V = 0 ,

(b) X V H Y H = 0 ,

(c) X H H Y V = ( X Y ) V ,

(d) X H H Y H = ( X Y ) H .

3. Tachibana and Vishnevskii Operators for Generalized Almost R-Contact Structure in Tangent Bundle

Let M be a differentiable manifold of C class. Suppose that there are given a tensor field ϕ of type (1, 1), a vector field ξ p and a 1-form η p , p = 1 , 2 , , r satisfying [7] [8] [9]

(a) ϕ 2 = a 2 I + ϵ p = 1 r ξ p η p

(b) ϕ ξ p = 0

(c) η p ϕ = 0

(d) η p ( ξ q ) = a 2 ϵ δ p q (12)

where p = 1 , 2 , , r and δ p q denote the Kronecker delta while a and ϵ are non-zero complex numbers. The manifold M is called a generalized almost r-contact manifold with a generalized almost r-contact structure or in short with ( ϕ , η p , ξ p , a , ϵ ) -structure.

Let us suppose that the base space M admits the Lorentzian almost r-para-contact structure. Then there exists a tensor field ϕ of type (1, 1), r ( C ) vector fields ξ 1 , ξ 2 , , ξ p and r ( C ) 1-forms η 1 , η 2 , , η p such that Equation (12) are satisfied. Taking complete lifts of Equation (12) we obtain the following:

(a) ( ϕ H ) 2 = a 2 I + ϵ p = 1 r { ξ p V η p H + ξ p H η p V }

(b) ϕ H ξ p V = 0 , ϕ H ξ p C = 0

(c) η p V ϕ H = 0 , η p H ϕ V = 0 , η p H ϕ H = 0 , η p V ϕ V = 0

(d) η p H ( ξ p H ) = η p V ( ξ p V ) = 0 , η p H ( ξ p V ) = η p V ( ξ p H ) = a 2 ϵ δ p q (13)

Let us define an element J ˜ of J 0 1 T ( M ) by

J ˜ = ϕ H + ϵ a p = 1 r ( ξ p V η p V + ξ p H η p H ) (14)

then in the view of Equation (13), it is easily shown that

J ˜ 2 X V = a 2 X V , J ˜ 2 X H = a 2 X H

which givess that J ˜ is GF structure in T ( M ) [10] .

Now in view of the Equation (15), we have

(a) J ˜ X H = ( ϕ X ) H + ϵ a p = 1 r { ( η p ( X ) ) V ξ p V }

(b) J ˜ X V = ( ϕ X ) V + ϵ a p = 1 r { ( η p ( X ) ) V ξ p H } (15)

for all X 0 1 ( M ) .

3.1. Tachibana Operator

Let ϕ be a tensor fieldof type (1, 1) i.e. ϕ 1 1 ( M ) and ϕ ( M ) = r , s = 0 r s ( M ) be a tensor algebra over R. A map Φ ϕ | r + s > 0 is called a Tachibana operator or Φ ϕ operator on M if [2] [11]

(a) Φ ϕ is linear with respect to constant coefficient,

(b) Φ ϕ : ( M ) s + 1 r ( M ) for all r and s,

(c) Φ ϕ ( K C L ) = ( Φ ϕ K ) L + K Φ ϕ L for all K , L ( M ) ,

(d) Φ ϕ X Y = ( L Y ϕ ) X for all X , Y 0 1 (M)

where L Y is Lie derivation with respect to Y,

(e) ( Φ ϕ η ) Y = ( d ( Y η ( Φ X ) ( d ( Y ( η Φ ) X + η ( ( L Y ϕ ) X ) = ( Φ X ( Y η ) ) ( Φ X ) X ( ϕ X η ) + η ( ( L Y ϕ ) X ) (16)

for all η 1 0 ( M ) and X , Y 0 1 ( M ) , where Y η = η ( X ) = η C Y , r s ( M ) the module of pure tensor fields of type ( r , s ) on M with respect to the affinor field φ [12] [13] .

Theorem 3. For Tachibana operator on M , L X the operator Lie derivation with respect to X , J ˜ 1 1 ( T ( M ) ) defined by J ˜ = ϕ H + ϵ a p = 1 r ( ξ p V η p V + ξ p H η p H ) and η ( Y ) = 0 , we have

(a) Φ J ˜ Y V X H = ( ( ^ X ϕ ) Y ) V + ϵ a p = 1 r ( ( ^ X η p ) Y ) V ξ p H

(b) Φ J ˜ Y H X H = ( ( L X ϕ ) Y ) H + γ R ^ ( X , ϕ Y ) + ϵ a p = 1 r ( ( L X η p ) Y ) V ξ p V J ˜ γ R ^ ( X , Y )

(c) Φ J ˜ Y V X V = 0

(d) Φ J ˜ Y H X V = ( ( L X ϕ ) Y ) V + ( ( X ϕ ) Y ) V ϵ a p = 1 r ( ( L X η p ) Y ) V ξ p H + ϵ a p = 1 r ( ( X η p ) Y ) V ξ p H (17)

where X , Y 0 1 ( M ) , a tensor field ϕ 1 1 ( M ) , a vector field ξ and a 1-form η 1 0 ( M ) .

Proof. For J ˜ = ϕ H + ϵ a p = 1 r ( ξ p V η p V + ξ p H η p H ) and η ( Y ) = 0 , we get

(a) Φ J ˜ Y V X H = ( L X H J ˜ ) Y V = ( L X H J ˜ Y V J ˜ L X H Y V ) , since L X Y = [ X , Y ] = [ X H , J ˜ Y V ] + ( ϕ H + ϵ a p = 1 r ( ξ p V η p V + ξ p H η p H ) ) [ X H , Y V ] = [ X H , ( ϕ Y ) V ] + ϕ H ( [ X , Y ] V + ( X Y ) V ) + ϵ a p = 1 r η p V ( [ X , Y ] V + ( Y X ) V ) ξ p V + ϵ a p = 1 r η p H ( [ X , Y ] V + ( Y X ) V ) ξ p H = [ X H , ( ϕ Y ) V ] ( ϕ Y X ) V + ϕ H ( [ X , Y ] V + ( Y X ) V )

+ ϵ a p = 1 r η p V ( [ X , Y ] V + ( Y X ) V ) ξ p V + ϵ a p = 1 r η p H ( [ X , Y ] V + ( Y X ) V ) ξ p H = ( ( ^ X ϕ ) Y ) V ( ϕ ^ X Y ) V + ( ϕ ( ^ X Y ) ) V + ϵ a p = 1 r ( ( L X η p ) Y ) V ξ p H ϵ a p = 1 r ( ( ^ X η p ) Y ) V ξ p H ϵ a p = 1 r ( η p ( L X Y ) ) V ξ p H as η ( L X Y ) = ( L X η p ) Y = ( ( ^ X ϕ ) Y ) V ϵ a p = 1 r ( ( ^ X η p ) Y ) V ξ p H . (18)

(b) Φ J ˜ Y H X H = ( L X H J ˜ ) Y H = ( L X H J ˜ Y H J ˜ L X H Y H ) since L X Y = [ X , Y ] = [ X H , J ˜ Y H ] + ( ϕ H + ϵ a p = 1 r ( ξ p V η p V + ξ p H η p H ) ) [ X H , Y H ] = [ X H , ( ϕ Y ) H ] + ϕ H [ X H , Y H ] + ϵ a p = 1 r η p V [ X H , Y H ] ξ p V + ϵ a p = 1 r η p H [ X H , Y H ] ξ p H since [ X H , Y H ] = [ X , Y ] H γ R ^ ( X , Y ) , = ( ( L X ϕ ) Y ) H + γ R ^ ( X , ϕ Y ) ϵ a p = 1 r ( ( L X η p ) Y ) V ξ p V J ˜ γ R ^ ( X , Y ) . (19)

(c) Φ J ˜ Y V X V = ( L X V J ˜ ) Y V = ( L X V J ˜ Y V J ˜ L X V Y V ) since L X Y = [ X , Y ] = [ X V , J ˜ Y V ] + J ˜ [ X V , Y V ] , [ X V , Y V ] = 0 = [ X V , ( ϕ H + ϵ a p = 1 r ( ξ p V η p V + ξ p H η p H ) ) Y V ] as ( η p ( Y ) ξ p ) H = 0 = [ X V , ( ϕ Y ) V ] ϵ a p = 1 r [ X V , ( η p ( Y ) ξ p ) H ] = 0. (20)

(d) Φ J ˜ Y H X V = ( L X V J ˜ ) Y H = L X V J ˜ Y H + J ˜ L X V Y H , since L X Y = [ X , Y ] = [ X V , J ˜ Y H ] + ( ϕ H + ϵ a p = 1 r ( ξ p V η p V + ξ p H η p H ) ) [ X V , Y H ] = [ X , ϕ Y ] V + ( X ϕ Y ) V + ϕ H ( [ X , Y ] V ( X Y ) V ) + ϵ a p = 1 r η p V ( [ X , Y ] V ( X Y ) V ) ξ p V + ϵ a p = 1 r η p H ( [ X , Y ] V ( X Y ) V ) ξ p H since η p L X Y = L X η p ( Y ) ( L X η p ) Y , η p X Y = X η p ( Y ) ( X η p ) Y = ( ( L X ϕ ) Y ) V + ( ( X ϕ ) Y ) V ϵ a p = 1 r ( ( L X η p ) Y ) V ξ p H + ϵ a p = 1 r ( ( X η p ) Y ) V ξ p H . (21),

Corollary 1. If we put Y = ξ p i.e. η p H ( ξ p H ) = η p V ( ξ p V ) = 0 , η p H ( ξ p V ) = η p V ( ξ p H ) = a 2 ϵ , then we have

(a) Φ J ˜ ξ p V X H = a p = 1 r ( L ξ p X ) H a γ R ^ ( X , ξ p ) ( ( ^ X ϕ ) ξ p ) V + ( ( ^ X η p ) ξ p ) V ξ p H

(b) Φ J ˜ ξ p H X H = a ( ^ X ξ p ) V ( ( L X ϕ ) ξ p ) H ϕ H γ R ^ ( X , ξ p ) ϵ a p = 1 r ( ( L X η p ) ξ p ) V ξ p V ϵ a p = 1 r η p V γ R ^ ( X , ξ p ) ξ p V ϵ a p = 1 r η p H γ R ^ ( X , ξ p ) ξ p H .

(c) Φ J ˜ ξ p V X V = a ( ^ ξ p X ) V

(d) Φ J ˜ ξ p H X V = ( ( L X ϕ ) ξ p ) V + ( ( X ϕ ) ξ p ) V ϵ a p = 1 r ( ( L X η p ) ξ p ) V ξ p H + ϵ a p = 1 r ( ( X η p ) ξ p ) V ξ p H . (22)

3.2. Vishnevskii Operator

Let is a linear connection and ϕ be a tensor field of type (1, 1) on M. If the condition (d) of Tachibana operator replace by

(d’) Ψ ϕ X Y = ϕ X Y ϕ X Y , (23)

X , Y 0 1 ( M ) , is a mapping wih linear connection . A map Ψ ϕ : ( M ) ( M ) , which satisfies conditions (a), (b), (c), (e) of Tachibana operator and the condition (d’), is called Vishnevskii operator on M [2] [14] .

Theorem 4. For Ψ ϕ Vishnevskii operator on M and H the horizontal lift of an affine connection in M to T ( M ) , J ˜ 1 1 ( T ( M ) ) defined by (14), we have

(a) Ψ J ˜ X V Y H = ϵ a p = 1 r ( η p ( X ) ξ p Y ) H

(b) Ψ J ˜ X H Y V = ( ( ^ Y ϕ ) X ) V ( ( L X ϕ ) X ) V ϵ a p = 1 r ( η p ^ Y X ) V ξ p H + ϵ a p = 1 r ( η p L Y X ) V ξ p H

(c) Ψ J ˜ X V Y V = ϵ a p = 1 r ( η p ( X ) ) V ξ p H H Y V

(d) Ψ J ˜ X H Y H = ( ( ^ Y ϕ ) X ) H ( ( L X ϕ ) X ) H ϵ a p = 1 r ( η p ^ Y X ) V ξ p V + ϵ a p = 1 r ( η p L Y X ) V ξ p V (24)

where X , Y 0 1 ( M ) , a tensor field ϕ 1 1 ( M ) , vector fields ξ p and a 1-form η p 1 0 ( M ) , p = 1 , , r .

Proof.

(a) Ψ J ˜ X V Y H = J ˜ X V H Y H J ˜ X V H Y H = ( ϕ H + ϵ a p = 1 r ( ξ p V η p V + ξ p H η p H ) ) X V H Y H ( ϕ H + ϵ a p = 1 r ( ξ p V η p V + ξ p H η p H ) ) X V H Y H = ( ϕ X ) V + ϵ a p = 1 r ( η p X ) V ξ p H Y H as X V H Y H = 0 = ϵ a p = 1 r ( η p X ) V ( ξ p Y ) H as ( ϕ X ) V H Y H = 0 = ϵ a p = 1 r ( η p ( X ) ξ p Y ) H . (25)

(b) Ψ J ˜ X H Y V = J ˜ X H H Y H J ˜ X H H Y V = ( ϕ H + ϵ a p = 1 r ( ξ p V η p V + ξ p H η p H ) ) X H H Y V ( ϕ H + ϵ a p = 1 r ( ξ p V η p V + ξ p H η p H ) ) X H H Y V = ( ϕ X ) H H Y V ϕ H ( X Y ) V ϵ a p = 1 r η p H ( X Y ) V ξ p H = ( ^ Y ϕ X ) V + [ ϕ X , Y ] V ϕ H ( ( ^ Y X ) V + [ X , Y ] V ) ϵ a p = 1 r η p H ( ( ^ Y X ) V + [ X , Y ] V ) ξ p H = ( ( ^ Y ϕ ) X ) V ( ( L Y ϕ ) X ) V ϵ a p = 1 r ( η p ^ Y X ) V ξ p H + ϵ a p = 1 r ( η p L Y X ) V ξ p H (26)

(c) Ψ J ˜ X V Y V = J ˜ X V H Y V J ˜ X V H Y V = ( ϕ H + ϵ a p = 1 r ( ξ p V η p V + ξ p H η p H ) ) X V H Y V ( ϕ H + ϵ a p = 1 r ( ξ p V η p V + ξ p H η p H ) ) X V H Y V = ( ϕ X ) V H Y V + ε a p = 1 r ( η p ( X ) ) V ξ p H H Y V = ϵ a p = 1 r ( η p ( X ) ) V ξ p H H Y V as ( ϕ X ) V H Y V = 0. (27)

(d) Ψ J ˜ X H Y H = J ˜ X H H Y H J ˜ X H H Y H = ( ϕ H + ϵ a p = 1 r ( ξ p V η p V + ξ p H η p H ) ) X H H Y H ( ϕ H + ϵ a p = 1 r ( ξ p V η p V + ξ p H η p H ) ) X H H Y H = ( ϕ X ) H H Y H ϕ H ( X Y ) H ϵ a p = 1 r η p V ( X Y ) H ξ p V = ( ^ Y ϕ X ) H + [ ϕ X , Y ] H ϕ H ( ( ^ Y X ) H + [ X , Y ] H ) ϵ a p = 1 r η p V ( ( ^ Y X ) H + [ X , Y ] H ) ξ p H = ( ( ^ Y ϕ ) X ) H ( ( L Y ϕ ) X ) H ϵ a p = 1 r ( η p ^ Y X ) V ξ p V + ϵ a p = 1 r ( η p L Y X ) V ξ p V (28)

Corollary 2. If we put Y = ξ p i.e. η p H ( ξ p H ) = η p V ( ξ p V ) = 0 , η p H ( ξ p V ) = η p V ( ξ p H ) = a 2 ϵ δ p q , then we have

(a) Ψ J ˜ ξ p V Y H = a ( ξ p Y ) H

(b) Ψ J ˜ ξ p H Y V = ϕ H ( ^ Y ξ p ) V ( ( L Y ϕ ) ξ p ) V + ϵ a p = 1 r ( η p ( ^ Y ξ p ) V ) ξ p H ϵ a p = 1 r ( η p ( L Y ξ p ) V ) ξ p H

(c) Ψ J ˜ ξ p V Y V = a ( ξ p Y ) V

(d) Ψ J ˜ ξ p H Y H = ( ( ^ Y ϕ ) ξ p ) H ( ( L Y ϕ ) ξ p ) H + ϵ a p = 1 r ( ( ^ Y η p ) ξ p ) V ξ p V ϵ a p = 1 r ( ( L Y η p ) ξ p ) V ξ p V . (29)

4. Conclusion

The generalized almost r-contact structure on Tachibana and Visknnevskii operators in tangent bundle are introduced. We deduced the theorems on Tachibana and Visknnevskii operators with respect to Lie derivative and lifting theory.

Acknowledgements

We thank the Editor and the referee for their comments.

Conflicts of Interest

The authors declare no conflicts of interest regarding the publication of this paper.

Cite this paper

Das, L.S. and Khan, M.N.I. (2018) On Tachibana and Vishnevskii Operators Associated with Certain Structures in the Tangent Bundle. Journal of Applied Mathematics and Physics, 6, 1968-1978. https://doi.org/10.4236/jamp.2018.610168

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