Novel theorems for the frame bundle endowed with metallic structures on an almost contact metric manifold

highlights•The metallic structure has been introduced on frame bundle FM.•The diagonal lift is established for gD of g to frame bundle FM is metallic Riemannian metric.•The results of the derivative and coderivative of 2-form F are obtained successfully.•A theorem on Nijenhuis tensor of tensor field...

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Vydáno v:Chaos, solitons and fractals Ročník 146; s. 110872
Hlavní autor: Khan, Mohammad Nazrul Islam
Médium: Journal Article
Jazyk:angličtina
Vydáno: Elsevier Ltd 01.05.2021
Témata:
Diagonal lift
Frame bundle
Horizontal lift
Metallic structure
Nijenhuis tensor
Vertical lift
Metallic structure
Nijenhuis tensor
58D17
Vertical lift
Frame bundle
53C15
Horizontal lift
Diagonal lift
ISSN:0960-0779, 1873-2887
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Shrnutí:highlights•The metallic structure has been introduced on frame bundle FM.•The diagonal lift is established for gD of g to frame bundle FM is metallic Riemannian metric.•The results of the derivative and coderivative of 2-form F are obtained successfully.•A theorem on Nijenhuis tensor of tensor field J˜ is proved.•The diagonal lift of metric g is locally metallic Riemannian metric with respect to J˜. It has been found that an almost complex structure of a contact metric manifold on frame bundle (FM,gD,J) is an almost Hermitian manifold. The derivative and coderivative of the Kähler form of the almost Hermitian structure (gD,J) are determined on frame bundle. An almost complex structure is a particular case of the polynomial structure of degree 2 satisfying J2=pJ+qI, where p=0,q=−1. However, the main contribution of this paper is that the results by applying the p,q as positive numbers then it satisfies the condition on J2=pJ+qI and termed as metallic structure. Furthermore, a tensor field J˜ is introduced on a frame bundle FM which proves that it is metallic structure on FM. The proposed theorem shows that the diagonal lift gD of a Riemannian metric g is a metallic Riemannian metric on FM. The derivative and coderivative of 2-form F of metallic Riemannian structure on FM are calculated. Moreover, the Nijenhuis tensor of tensor field J˜ is determined. Finally, a locally metallic Riemannian manifold (FM,JH,gD) is described as an application.
ISSN:0960-0779
1873-2887
DOI:10.1016/j.chaos.2021.110872