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arXiv 0711.0490nlin.SI
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两个新的多分量BKP层次

Two new multi-component BKP hierarchies

Hongxia Wu, Xiaojun Liu, Yunbo Zeng

摘要:

首先,我们提出了两种新的多分量BKP(mcBKP)的本征函数对称约简和非标准约简的基础上,分别的层次。第一种包含两类具有自洽源的BKP方程,给出了它们的Lax表示。这两个mcBKP方程族都可以约化到$k-$约束BKP方程族和可积的(1+1)维自洽源方程族,包括两类自洽源SK方程和两类自洽源双向SK方程.

英文摘要:

We firstly propose two kinds of new multi-component BKP (mcBKP) hierarchy based on the eigenfunction symmetry reduction and nonstandard reduction, respectively. The first one contains two types of BKP equation with self-consistent sources which Lax representations are presented. The two mcBKP hierarchies both admit reductions to the $k-$constrained BKP hierarchy and to integrable (1+1)-dimensional hierarchy with self-consistent sources, which include two types of SK equation with self-consistent sources and of bi-directional SK equations with self-consistent sources.

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