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Central Invariants of the Constrained KP Hierarchies

Mathematical Physics 2015-12-09 v1 Differential Geometry math.MP

Abstract

We compute the central invariants of the bihamiltonian structures of the constrained KP hierarchies, and show that these integrable hierarchies are topological deformations of their hydrodynamic limits.

Keywords

Cite

@article{arxiv.1502.01774,
  title  = {Central Invariants of the Constrained KP Hierarchies},
  author = {Si-Qi Liu and Youjin Zhang and Xu Zhou},
  journal= {arXiv preprint arXiv:1502.01774},
  year   = {2015}
}

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20 pages