Cauchy Problem Zeroes of Entire Functions Asymptotic Expansions Hamilton Systems
Institute of Mathematics and Informatics Bulgarian Academy of Sciences
Serdica Mathematical Journal, Vol. 34, No 1, (2008), 311p-328p
In this paper we study an ODE in the complex plane. This is a key step in the search of new necessary conditions for the well posedness of the Cauchy Problem for hyperbolic operators with double characteristics.