weitzenböck formula
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2021 ◽  
pp. 155-169
Author(s):  
Shin-ichi Ohta
Keyword(s):  

2014 ◽  
Vol 252 ◽  
pp. 429-448 ◽  
Author(s):  
Shin-ichi Ohta ◽  
Karl-Theodor Sturm

Author(s):  
Shin-ichi Ohta

Abstract We develop the differential geometric and geometric analytic studies of Hamiltonian systems. Key ingredients are the curvature operator, the weighted Laplacian, and the associated Riccati equation.We prove appropriate generalizations of the Bochner-Weitzenböck formula and Laplacian comparison theorem, and study the heat flow.


2013 ◽  
Vol 54 (1) ◽  
pp. 013101 ◽  
Author(s):  
Alfredo A. Vargas-Paredes ◽  
Mauro M. Doria ◽  
José Abdala Helayël Neto
Keyword(s):  

2012 ◽  
Vol 09 (07) ◽  
pp. 1250061 ◽  
Author(s):  
ESMAEIL PEYGHAN ◽  
AKBAR TAYEBI ◽  
CHUNPING ZHONG

Recently the third author studied horizontal Laplacians in real Finsler vector bundles and complex Finsler manifolds. In this paper, we introduce a class of g-natural metrics Ga,b on the tangent bundle of a Finsler manifold (M, F) which generalizes the associated Sasaki–Matsumoto metric and Miron metric. We obtain the Weitzenböck formula of the horizontal Laplacian associated to Ga,b, which is a second-order differential operator for general forms on tangent bundle. Using the horizontal Laplacian associated to Ga,b, we give some characterizations of certain objects which are geometric interest (e.g. scalar and vector fields which are horizontal covariant constant) on the tangent bundle. Furthermore, Killing vector fields associated to Ga,b are investigated.


2012 ◽  
Vol 60 (2) ◽  
pp. 165-176 ◽  
Author(s):  
Bogdan Balcerzak ◽  
Jerzy Kalina ◽  
Antoni Pierzchalski

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