%0 Journal Article
%T Uniqueness of the fractional derivative definition
%A Richard Herrmann
%J Physics
%D 2013
%I arXiv
%X For the Riesz fractional derivative besides the well known integral representation two new differential representations are presented, which emphasize the local aspects of a fractional derivative. The consequences for a valid solution of the fractional Schroedinger equation are discussed.
%U http://arxiv.org/abs/1303.2939v3