λ-symmetries for discrete equations

被引：12

作者：

Levi, D. ^{[1
,2
]}

Rodriguez, M. A. ^{[3
]}

机构：

[1] Univ Roma Tre, Dipartimento Ingn Elettron, I-00146 Rome, Italy

[2] INFN, Sez Roma Tre, I-00146 Rome, Italy

[3] Univ Complutense, Dept Fis Teor 2, Fac Fis, E-28040 Madrid, Spain

来源：

JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL | 2010年 / 43卷 / 29期

关键词：

ORDINARY DIFFERENTIAL-EQUATIONS; C-INFINITY-SYMMETRIES; MU-SYMMETRIES; REDUCTION;

D O I：

10.1088/1751-8113/43/29/292001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Following the usual definition of lambda-symmetries of differential equations, we introduce the analogous concept for difference equations and apply it to some examples.

引用

页数：9

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