Constrained KP Models as Integrable Matrix Hierarchies

H. Aratyn, L. A. Ferreira, J. F. Gomes +1

We formulate the constrained KP hierarchy (denoted by \cKP${}_{K+1,M}$) as an affine $\widehat{sl}(M+K+1)$ matrix integrable hierarchy generalizing the Drinfeld-Sokolov hierarchy…