Extensions of the discrete KP hierarchy and its strict version

G. F. Helminck*, V. A. Poberezhny, S. V. Polenkova

*Corresponding author for this work

    Research output: Contribution to journalArticleAcademicpeer-review


    Abstract: We show that both the dKP hierarchy and its strict version can be extended to a wider class of deformations satisfying a larger set of Lax equations. We prove that both extended hierarchies have appropriate linearizations allowing a geometric construction of their solutions.

    Original languageEnglish
    Pages (from-to)1140-1153
    Number of pages14
    JournalTheoretical and Mathematical Physics(Russian Federation)
    Issue number3
    Publication statusPublished - 1 Sep 2020


    • geometric construction of solutions
    • hierarchy
    • linearization
    • oscillating matrix
    • pseudodifference operator
    • wave matrix
    • n/a OA procedure


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