Re: [Phys-l] the uniqueness of entropy

[ludwik kowalski <kowalskil@mail.montclair.edu>]

On Jul 2, 2011, at 10:12 PM, carmelo@pacific.net.sg wrote:

> Quoting David Bowman <David_Bowman@georgetowncollege.edu>:
>
> > Here is my definition of energy.
> >
> > Energy: The value of the mathematical expression that generates an
> > infinitesimal virtual displacement of a dynamical system in time.
> >
> > This definition holds for both classical and quantum dynamical  
> > systems.
>
> Energy can flow from one object to another.
> It should not be just a mathematical value, but a physical entity.
>
> Perhaps, energy is some kind of "neutrinos." :-)


Suppose I say "energy is a physical quantity whose value is given by  
the mathematical expression that generates an infinitesimal virtual  
displacement of a dynamical system in time."

Would this be acceptable?


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Ludwik Kowalski (see Wikipedia), interviewed at:

http://pages.csam.montclair.edu/~kowalski/interview1.html

is the author of two FREE ON-LINE books:  http://csam.montclair.edu/~kowalski/links.html