The KP hierarchy in Miwa coordinates

被引：10
|
作者：
Konopelchenko, B [1 ]
Alonso, LM
机构：
[1] Univ Lecce, Dipartimento Fis, I-73100 Lecce, Italy
[2] Univ Complutense, Dept Fis Teor, E-28040 Madrid, Spain
来源：
PHYSICS LETTERS A | 1999年 / 258卷 / 4-6期
关键词：
KP hierarchy; tau-functions; Miwa variables;
D O I：
10.1016/S0375-9601(99)00373-4
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A systematic reformulation of the KP hierarchy by using continuous Miwa variables is presented. Basic quantities and relations are defined and determinantal expressions for Fay's identities an obtained. It is shown that in terms of these variables the KP hierarchy gives rise to a Darboux system describing an infinite-dimensional conjugate net. (C) 1999 Published by Elsevier Science B.V. All rights reserved.
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页码：272 / 278
页数：7
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