THE application of the calculus to the problems of engineering and physics has now become so extensive that writers on the subject no longer confine their treatment solely to the purely theoretical ...

This is a preview. Log in through your library . Abstract Duality theorems previously obtained for certain convex problems in the calculus of variations are applied to the study of the behavior of ...

We provide a general scheme to extend Taylor's holomorphic functional calculus for several commuting operators to classes of non-holomorphic functions. These classes of functions will depend on the ...