A theorem on quadratic forms and its application in the calculus of variations
1940; American Mathematical Society; Volume: 47; Issue: 3 Linguagem: Inglês
10.1090/s0002-9947-1940-0002839-x
ISSN1088-6850
AutoresMagnus R. Hestenes, E. J. McShane,
Tópico(s)Nonlinear Differential Equations Analysis
ResumoGraves proves only the Weierstrass condition.The condition of Legendre is a well known consequence of that of Weierstrass.
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