Nonlinear Sciences – Exactly Solvable and Integrable Systems
Scientific paper
2012-01-02
Nonlinear Sciences
Exactly Solvable and Integrable Systems
4 pages
Scientific paper
We investigate the relation between the $w_{\infty}$ 3-algebra and dispersionless KdV hierarchy. The $w_{\infty}$ 3-algebra can be expressed as the Nambu-Poisson bracket structure of the Fourier transform field. The dispersionless KdV hierarchy for the corresponding Fourier transform field follows from the Nambu-Poisson evolution equation given the suitable Hamiltonians. We find that these Hamiltonians are in involution for the Poisson and Nambu-Poisson bracket structures, respectively. Due to the Nambu-Poisson evolution equation involving two Hamiltonians, the more intriguing relationships between these Hamiltonians are revealed.
Chen Min-Ru
Wang Shi-Kun
Wu Ke
Zhao Wei-Zhong
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