(1) Department of Mathematics, University of Science and Technology of China, Hefei, 230026 Anhui, People's Republic of China;(2) Fachbereich 17-Mathematik/Informatik, Universität-GH Kassel, Holländische Str. 36, 34109 Kassel, Germany
Abstract:
We consider generalizedk-constraints of the KP hierarchy where the Lax operatorL is forced to satisfy L–k=q–1r. We study the effect of those constraints on the bilinear equations.