String Equations of the q-KP Hierarchy

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Tian, Kelei
He, Jingsong
Su, Yucai
Cheng, Yi
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Abstract
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Based on the Lax operator $L$ and Orlov-Shulman's $M$ operator, the string equations of the $q$-KP hierarchy are established from special additional symmetry flows, and the negative Virasoro constraint generators \{$L_{-n}, n\geq1$\} of the $2-$reduced $q$-KP hierarchy are also obtained.
Comment: 11pages
Keywords
Nonlinear Sciences - Exactly Solvable and Integrable Systems
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