Problem

In November 1953, the editor of the Manchester Guardian, AP Wadsworth, responded to Jodrell Bank Director Bernard Lovell regarding a complaint over an article that had appeared on the observatory's radio telescope project. Wadsworth understood there had been much collaboration b…

The inverse problem of the calculus of variations is examined from an operator-theoretic point of view instead of as an integration problem. These operators give a convenient, presentation of generalizations to higher order Lagrangians. Original material on this subject will be …