Tension field and Index form of Energy-Type FunctionalsBechtluft-Sachs, Stefan (2003) Tension field and Index form of Energy-Type Functionals. Glasgow Mathematical Journal, 45 (1). pp. 117-122. ISSN 0017-0895
AbstractWe derive variational formulae for natural first order energy function- als and obtain criteria for the stability of isometric immersions. This generalizes known results for the classical energy, the p-energy and the exponential energy
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