Radon–Nikodym derivative and "normal" derivative
Consider absolute continuity of functions as defined in Royden's Real Analysis. These functions are integrals of their derivatives and they are, in fact Radon-Nikodym derivatives.
Radon–Nikodym derivative and "normal" derivative
Consider absolute continuity of functions as defined in Royden's Real Analysis. These functions are integrals of their derivatives and they are, in fact Radon-Nikodym derivatives.