Weakly Hyperbolic Equations Propagation of Singularities Lacunas Loss or Regularity
Issue Date:
2003
Publisher:
Institute of Mathematics and Informatics Bulgarian Academy of Sciences
Citation:
Pliska Studia Mathematica Bulgarica, Vol. 15, No 1, (2003), 85p-92p
Abstract:
We consider weakly hyperbolic operators with degeneracy of infinite order and study the Sobolev regularity of solutions to semi-linear Cauchy problems in the lacunas.