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Higher Order Derivatives of Dirichlet’s Energy

  • Anthony Tromba
Part of the Springer Monographs in Mathematics book series (SMM)

Abstract

In this chapter we take the point of view of Jesse Douglas and consider minimal surfaces as critical points of Dirichlet’s integral within the class of harmonic surfaces X:B→ℝ3 that are continuous on the closure of the unit disk B and map ∂B=S 1 homeomorphically onto a closed Jordan curve Γ of ℝ3. It will be assumed that Γis smooth of classC and nonplanar. Then any minimal surface bounded by Γ will be a nonplanar surface of class \(C^{\infty}(\overline {B},\mathbb{R}^{3})\), and so we shall be allowed to take directional derivatives (i.e. “variations”) of any order of the Dirichlet integral along an arbitrary C -smooth path through the minimal surface.

Keywords

Normal Form Minimal Surface Branch Point High Order Derivative Harmonic Extension 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  1. 1.Department of MathematicsUniversity of California at Santa CruzSanta CruzUSA

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