How can I picture antisymmetry of the Lie derivative? - MathOverflow most recent 30 from http://mathoverflow.net2013-05-18T12:53:30Zhttp://mathoverflow.net/feeds/question/108494http://www.creativecommons.org/licenses/by-nc/2.5/rdfhttp://mathoverflow.net/questions/108494/how-can-i-picture-antisymmetry-of-the-lie-derivativeHow can I picture antisymmetry of the Lie derivative?Caleb Weinreb2012-09-30T21:42:06Z2012-09-30T21:54:17Z
<p>It's obvious that the Lie derivative defined in terms of Lie brackets is anti-symmetric. But what is an intuitive way to visualize the anti-symmetry in the 'differentiating along a flow' definition? </p>
<p>Thanks!</p>
http://mathoverflow.net/questions/108494/how-can-i-picture-antisymmetry-of-the-lie-derivative/108496#108496Answer by Qiaochu Yuan for How can I picture antisymmetry of the Lie derivative?Qiaochu Yuan2012-09-30T21:54:17Z2012-09-30T21:54:17Z<p>Whichever definition you use that involves differentiating along a flow, it ought to have the property that $L_X X = 0$; in other words, for reasons that should be clear, the Lie derivative is alternating. In the presence of bilinearity, this is equivalent to antisymmetry. </p>