The Theorems of Asgeirsson and Howard

  • Fritz John

Abstract

For the derivation of the theorems in this chapter it is convenient to introduce the integrals of a function f(x) in n-space over a general ellipsoid
$$F(x) = \sum\limits_{i,k = 1}^n {{a_{ik}}} {X_i}{X_k} = {r^2}$$
(5.1)
.

Keywords

Manifold Huygens 

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Copyright information

© Springer Science+Business Media New York 1981

Authors and Affiliations

  • Fritz John
    • 1
  1. 1.Courant Institute of Mathematical SciencesNew York UniversityNew YorkUSA

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