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Topics in Generalized Differentiation J. Marshall Ash
 

Summary: Topics in Generalized Differentiation
J. Marshall Ash
Abstract
The course will be built around three topics:
(1) Prove the almost everywhere equivalence of the Lp
n-th sym-
metric quantum derivative and the Lp
Peano derivative.
(2) Develop a theory of non-linear generalized derivatives, for ex-
ample of the form anf(x + bnh)f(x + cnh).
(3) Classify which generalized derivatives of the form anf(x +
bnh) satisfy the mean value theorem.
1 Lecture 1
I will discuss three types of difference quotients. The first are the additive
linear ones. These have been around for a long time. One can see their
shadow already in the notation Leibnitz used for the dth derivative,
dd
dxd
.
For an example with d = 2, let h = dx, and consider the Schwarz generalized

  

Source: Ash, J. Marshall - Department of Mathematical Sciences, DePaul University

 

Collections: Mathematics