Generalized Weierstrass Condition in the Classical Calculus of Variations


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Abstract

We study the extremals of problems of the classical calculus of variations. We obtain a new necessary condition for a strong minimum under the assumption that the Weierstrass and Legendre conditions degenerate, i.e., are satisfied as equalities, on the extremal under study; this condition is called a generalized Weierstrass condition. We also give a modified condition that is a necessary condition for a weak minimum.

About the authors

A. V. Arutyunov

Lomonosov Moscow State University; Peoples’ Friendship University of Russia; Derzhavin Tambov State University

Author for correspondence.
Email: arutyunov@cs.msu.ru
Russian Federation, Moscow, 119991; Moscow, 117198; Tambov, 392000

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