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The Lie derivative, , which represents the rate of change of a differential form in the direction of a vector field X is also an intrinsic operator and therefore we expect that there exists a purely discrete operator L X which operates on cochains and satisfies the commutation relation .
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The Lie derivative is the differential of the representation of the diffeomorphism group on tensor fields.
Apr 1, 2012 · In the discrete-time case we introduce the algebraic definition of the Lie derivative, using the concepts of forward and backward shifts. The ...
Abstract. In this paper, we present a numerical technique for performing Lie advection of arbitrary differential forms.
Abstract. The paper extends the concept of the Lie derivative of the vector field for the discrete-time case, preserving its geometrical meaning.
The paper extends the concept of the Lie derivative of the vector field, used in the study of the continuous-time dynamical systems, for the discrete-time case.
Dec 7, 2009 · In this paper, we present a numerical technique for performing Lie advection of arbitrary differential forms.
Mar 25, 2016 · Discrete Lie derivative. September 2015. Conference: ENUMATH 2015. Authors: Marc Gerritsma at Delft University of Technology · Marc Gerritsma.
The discrete exterior derivative ... Other operators and operations such as the discrete wedge product, Hodge star, or Lie derivative can also be defined.
Jun 23, 2017 · We have by using the Leibniz rule of the Lie derivative, [[LX,f],g](T)=[LX,f](gT)−g[LX,f](T)=LX(fgT)−fLX(gT)−gLX(fT)+fgLX(T)=(LX(fg))T+(fg)LX(T) ...
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