On Grassmannian Description of the Constrained KP Hierarchy
classification
solv-int
nlin.SI
keywords
hierarchyconstrainedgrassmannianassociatedbilinearconcomitantconstructiondescription
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This note develops an explicit construction of the constrained KP hierarchy within the Sato Grassmannian framework. Useful relations are established between the kernel elements of the underlying ordinary differential operator and the eigenfunctions of the associated KP hierarchy as well as between the related bilinear concomitant and the squared eigenfunction potential.
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