Properties
Pfeffer defined a notion of generalized absolute continuity, close to but not equal to the definition of a function being, and proved that a function is Pfeffer integrable iff it is the derivative of an function. He also proved a chain rule for the Pfeffer integral. In one dimension his work as well as similarities between the Pfeffer integral and the McShane integral indicate that the integral is more general than the Lebesgue integral and yet less general than the Henstock integral.
Read more about this topic: Pfeffer Integral
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