Bøger af Ovidiu (Al. I. Cuza University
700506 Iasi Carja

The viability of a set K with respect to a given function (or multi-function) F, defined on it, describes the property that, for each initial data in K, the differential equation (or inclusion) driven by that function or multi-function) to have at least one solution. This book presents important concepts and results in viability and invariance.