On a Sharp Levi Condition in Gevrey Classes for Some Infinitely Degenerate Hyperbolic Equations and Its Necessity

  • Haruhisa Ishida

    University of Electro-Communications, Tokyo, Japan
  • Karen Yagdjian

    Kansas State University, Manhattan, USA

Cite this article

Haruhisa Ishida, Karen Yagdjian, On a Sharp Levi Condition in Gevrey Classes for Some Infinitely Degenerate Hyperbolic Equations and Its Necessity. Publ. Res. Inst. Math. Sci. 38 (2002), no. 2, pp. 265–287

DOI 10.2977/PRIMS/1145476338