From One-Component KP Hierarchy to Two-Component KP Hierarchy and Back
classification
solv-int
hep-thnlin.SI
keywords
hierarchyone-componenttwo-componentabelianadditionalbackeigenfunctionendowed
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We show that the system of the standard one-component KP hierarchy endowed with a special infinite set of abelian additional symmetries, generated by squared eigenfunction potentials, is equivalent to the two-component KP hierarchy.
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