l2-well-posed cauchy problem for fourth-order dispersive equations on the line
;Shigeo Tarama
icsoft 2006 - 1st international conference on software and data technologies, proceedings2011Vol. 2011pp. 1-11
97
tarama2011electronicl2-well-posed
Abstract
Mizuhara [2] obtained conditions for the Cauchy problem of a fourth-order dispersive operator to be well posed in the $L^2$ sense. Two of those conditions were shown to be necessary under additional assumptions. In this article, we prove the necessity without the additional assumptions.