00:5600:56, 16 March 2013diffhist−111
Dual space
Removed a tautology on the Kronecker delta. The use of not including the piecewise interpretation is standard.
00:5600:56, 16 March 2013diffhist−111
Dual space
Removed a tautology on the Kronecker delta. The use of not including the piecewise interpretation is standard.