Virasoro type algebraic structure hidden in the constrained discrete Kadomtsev-Petviashvili hierarchy

: Maohua Li, Chuanzhong Li, Keilei Tian, Jingsong He, Yi Cheng

Publisher: AMER INST PHYSICS

: MELVILLE; CIRCULATION & FULFILLMENT DIV, 2 HUNTINGTON QUADRANGLE, STE 1 N O 1, MELVILLE, NY 11747-4501 USA

: 2013

Journal of Mathematical Physics

: Journal of Mathematical Physics

: J.Math.Phys.

: 54

: 4

: 043512

: 11

: 0022-2488

DOI: https://doi.org/10.1063/1.4801857

In this paper, we construct the additional symmetries of one-component constrained discrete Kadomtsev-Petviashvili hierarchy, and then prove that the algebraic structure of the symmetry flows is the positive half of Virasoro algebra. (C) 2013 AIP Publishing LLC.