NO one could be more competent than M. Hadamard to deal with the calculus of variations, and when this work is completed it will be a most valuable exposition of the present state of the subject. It ...
IT is a striking instance of the acceleration of ideas in the modern world that a theory which five years ago was known only to a narrow circle of mathematicians engaged on an abstract and abstruse ...
The main objective of this paper is to work out a full-scale application of the integrability analysis of the inverse problem of the calculus of variations, as developed in recent papers by Sarlet and ...
Une des thèses sans doute les plus controversées de la philosophie de Leibniz consiste à soutenir que l'univers actuel est le meilleur parmi tous les possibles. Dans cet article, nous proposons de ...
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