%0 Journal Article
%T Notes on the Propagators of Evolution Equations
%A Yu Lin
%A Ti-Jun Xiao
%A Jin Liang
%J Advances in Difference Equations
%D 2010
%I Springer
%R 10.1155/2010/795484
%X We consider the propagator of an evolution equation, which is a semigroup of linear operators. Questions related to its operator norm function and its behavior at the critical point for norm continuity or compactness or differentiability are studied.
%U http://dx.doi.org/10.1155/2010/795484