2021-09-23T12:48:29Zhttps://tsukuba.repo.nii.ac.jp/oaioai:tsukuba.repo.nii.ac.jp:000205022021-03-02T06:57:08ZRemarks on hyperbolic systems of first order with constant coefficient characteristic polynomials若林, 誠一郎Wakabayashi, SeiichiroIn this paper we shall deal with hyperbolic systems of first order with constant coefficient characteristic polynomials and give a necessary and sufficient condition for the Cauchy problem to be C∞ well-posed under the maximal rank condition (see the condition (R) below).journal articleDept. of Mathematics, Osaka UniversityDept. of Mathematics, Osaka City University2007-06application/pdfOsaka journal of mathematics244363397http://hdl.handle.net/2241/1066610030-6126AA00765910https://tsukuba.repo.nii.ac.jp/record/20502/files/OJM_44-2.pdfengDept. of Mathematics, Osaka UniversityDept. of Mathematics, Osaka City University