Re: [Phys-l] Landau on Lagrangian

[Stefan Jeglinski <jeglin@4pi.com>]

> Ian D. Lawrie, in his "A Unified Grand Tour of Theoretical Physics", 
> Sections 3.1 and 3.2, goes through the arguments in a much more 
> pleasing fashion (in my opinion) than L&L. His steps are:

Thanks for this summary. In fact, Landau does touch on these items in 
the periphery, albeit as you suggest in not quite the same explicit 
detail. I am seeing the greater importance of the Galilean transform 
now.


Stefan Jeglinski