Nonlinear Sciences – Exactly Solvable and Integrable Systems
Scientific paper
2007-01-26
Nonlinear Sciences
Exactly Solvable and Integrable Systems
10 pages
Scientific paper
10.1088/1751-8113/40/17/F02
In case of the KP hierarchy where the dependent variable takes values in an (arbitrary) associative algebra A, it is known that there are solutions which can be expressed in terms of quasideterminants of a Wronski matrix which solves the linear heat hierarchy. We obtain these solutions without the help of quasideterminants in a simple way via solutions of matrix KP hierarchies (over A) and by use of a Cole-Hopf transformation. For this class of exact solutions we work out a correspondence with 'weakly nonassociative' algebras.
Dimakis Aristophanes
Muller-Hoissen Folkert
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