Abstract: It is proved in this paper that the existence of a delay-dependent suitable Lyapunov function is a necessary and sufficient condition for a discrete-time fully nonlinear time-delay system, ...

Abstract: This technical note studies synchronization of identical general linear systems on a digraph containing a spanning tree. A leader node or command generator is considered, which generates the ...

The process of how caterpillars change into butterflies. Caterpillars grow, feed and then transform from a chrysalis to a beautiful colourful butterfly before our very eyes. This clip is from the ...