Linear Partial Differential Equations in ℝn

  • Friedrich Sauvigny
Part of the Universitext book series (UTX)


In this chapter we become familiar with the different types of partial differential equations in ℝ n . We treat the maximum principle for elliptic differential equations and prove the uniqueness of the mixed boundary value problem for quasilinear elliptic differential equations. Then we consider the initial value problem of the parabolic heat equation. Finally, we solve the Cauchy initial value problem for the hyperbolic wave equation in ℝ n and show its invariance under Lorentz transformations. The differential equations presented are situated in the center of mathematical physics.


Wave Equation Maximum Principle Heat Equation Lorentz Transformation Regularity Class 
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Copyright information

© Springer-Verlag London 2012

Authors and Affiliations

  • Friedrich Sauvigny
    • 1
  1. 1.Mathematical Institute, LS AnalysisBrandenburgian Technical UniversityCottbusGermany

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