Tuesday, December 11, 2012

1212.1952 (Yoko Shigyo)

On Addition Formulae of KP, mKP and BKP hierarchies    [PDF]

Yoko Shigyo
In this paper we study the addition formulae of the KP, the mKP and the BKP hierarchies. We prove that the total hierarchies are equivalent to the simplest equations of their addition formulae. In the case of KP and mKP those results had previously been proved by Noumi, Takasaki and Takebe by way of wave functions. Here we give alternative and direct proofs for the case of the KP and the mKP hierarchies. Our method can equally be applied to the BKP hierarchy.
View original: http://arxiv.org/abs/1212.1952

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