And some clarifications at http://math.ucr.edu/home/baez/noether.html http://math.ucr.edu/home/baez/noether.html . And I think Noether's theorem covers regular

And some clarifications at http://math.ucr.edu/home/baez/noether.html http://math.ucr.edu/home/baez/noether.html . And I think Noether's theorem covers regular conservation of momentum - that is, equivalence of laws in every point of space - which is actually at question here.