Contents V.2, N.1, 2011

  • REDUCTION THEOREM AND NORMAL FORMS OF LINEAR SECONDORDER MIXED TYPE PDE FAMILIES IN THE PLANE
    ALEXEY DAVYDOV, LINH TRINH THI DIEP (pp. 44-53)
  • Abstract.

    Normal forms for smooth deformation of germ of characteristic equation of secondorder partial differential equation being linear with respect to second derivative is found near apoint of tangency of characteristic direction with the type change line, when this singular pointis nondegenerate and non-resonance

    Keywords:

    mplicit differential equation, mixed type equation, normal form, classification

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