Non-point integrable symmetries for equations on the lattice

被引:3
|
作者
Levi, D
Yamilov, R
机构
[1] Univ Rome, Dipartimento Fis E Amaldi, I-00146 Rome, Italy
[2] Ist Nazl Fis Nucl, Roma Tre, I-00146 Rome, Italy
[3] Russian Acad Sci, UFA Inst Math, Ufa 450077, Russia
来源
关键词
D O I
10.1088/0305-4470/33/26/307
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We present a new class of non-point groups of transformations for scalar evolution chain equations. Then we construct the class of differential equations on the lattice which admits such group transformations.
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页码:4809 / 4823
页数:15
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