• V. N. Bogaevski
  • A. Povzner
Part of the Applied Mathematical Sciences book series (AMS, volume 88)


In various problems we must employ variable transformations degenerate at e ε = 0. One such example is the case of a nilpotent X0 considered in Sections 1.5 and 2.5, where a special (shearing) transformation reconstructs X so that another operator, different from X0, becomes the leading one.


Normal Form Relaxation Oscillation Fundamental System Asymptotic Series Singular Surface 
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Copyright information

© Springer-Verlag New York, Inc. 1991

Authors and Affiliations

  • V. N. Bogaevski
  • A. Povzner
    • 1
  1. 1.Institute of the Physics of the EarthAcademy of Science—USSRMoscowUSSR

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