Differential Calculus in ℝd

  • Jürgen Jost
Part of the Universitext book series (UTX)


The results of the previous paragraph are specialized to Euclidean spaces. Again, as in §3, interior extrema of differentiable functions are studied. We also introduce some standard differential operators like the Laplace operator.


Laplace Operator Hessian Matrix Positive Semidefinite Differential Calculus Wave Propagation Speed 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1998

Authors and Affiliations

  • Jürgen Jost
    • 1
  1. 1.Max Planck Institute for Mathematics in the SciencesLeipzigGermany

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