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Invariants for systems of two linear hyperbolic-type equations by complex methods

Authors
  • Aslam, A.
  • Safdar, M.
  • Mahomed, F. M.
Type
Preprint
Publication Date
Aug 13, 2015
Submission Date
Mar 05, 2014
Identifiers
arXiv ID: 1403.1009
Source
arXiv
License
Yellow
External links

Abstract

Invariants of general linear system of two hyperbolic partial differential equations (PDEs) are derived under transformations of the dependent and independent variables by real infinitesimal method earlier. Here a subclass of the general system of linear hyperbolic PDEs is investigated for the associated invariants, by complex as well as real methods. The complex procedure relies on the correspondence of systems of PDEs with the base complex equation. Complex invariants of the base complex PDEs are shown to reveal invariants of the corresponding systems. A comparison of all the invariant quantities obtained by complex and real methods for this class, is presented which shows that the complex procedure provides a few invariants different from those extracted by real symmetry analysis.

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