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VOL. 7 | 2006 Cartan Forms and Second Variation for Constrained Variational Problems
Pedro L. García, César Rodrigo

Editor(s) Ivaïlo M. Mladenov, Manuel de León


Using the Cartan form of first order constrained variational problems introduced earlier we define the second variation. This definition coincides in the unconstrained case with the usual one in terms of the double Lie derivative of the Lagrangian density, an expression, that in the constrained case does not work. The Hessian metric and other associated concepts introduced in this way are compared with those obtained through the Lagrange multiplier rule. The theory is illustrated with an example of isoperimetric problem.


Published: 1 January 2006
First available in Project Euclid: 13 July 2015

zbMATH: 1101.58015
MathSciNet: MR2228369

Digital Object Identifier: 10.7546/giq-7-2006-140-153

Rights: Copyright © 2006 Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences


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