Additional symmetries and string equations of the noncommutative B and C type KP hierarchies

Additional symmetries and string equations of the noncommutative B and C type KP hierarchies
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非交换 B 和 C 型 KP 层次结构的附加对称性和弦方程

DOI:
10.1080/14029251.2017.1282245
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发表时间:
2017-01
影响因子:
0.7
通讯作者:
Chuanzhong Li
Chuanzhong Li
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Qiufang Liu;Chuanzhong Li

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In this paper, we construct the noncommutative B and C type KP hierarchies using pseudo-differential operators and reducing conditions. Further a series of additional flows of the noncommutative B and C type KP hierarchies will be defined and the additional symmetries constitute the B and C type infinite dimensional Lie algebra W1+∞. In addition, the generating function of the additional symmetries can also be proved to have a nice form in terms of wave functions. Further, the string equations of the noncommutative B and C type KP hierarchies are derived.
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