A strange recursion operator for a new integrable system of coupled Korteweg-de Vries equations

2004-08-01
Karasu, A
Karasu, Atalay
Sakovich, SY
A recursion operator is constructed for a new integrable system of coupled Korteweg de Vries equations by the method of gauge-invariant description of zero-curvature representations. This second-order recursion operator is characterized by unusual structure of its nonlocal part.