Grammian-type determinant solutions to generalized KP and BKP equations

Grammian-type determinant solutions to generalized KP and BKP equations
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广义 KP 和 BKP 方程的格拉米式行列式解

DOI:
10.1016/j.camwa.2017.05.020
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发表时间:
2017-08
影响因子:
2.9
通讯作者:
Zhang Yi
Zhang Yi
中科院分区:
数学2区
文献类型:
--
作者:
Cheng Li;Zhang Yi

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Grammian-type determinant identities of the bilinear KP hierarchy and a useful property on the derivatives of Grammians are proposed. Based on these Grammian-type determinant identities, three Grammian structures are furnished to a large class of generalized nonlinear KP and BKP type equations. All the generating functions for matrix entries satisfy a system of combined linear partial differential equations. In the first case of the class of generalized KP and BKP equations, general rational solutions are given, making use of its Grammian formulation.
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