Computing pullback function of second order differential operators by using their semi-invariants

被引:3
|
作者
Aldossari, Shayea [1 ]
机构
[1] King Saud Univ, Math Dept, Riyadh, Saudi Arabia
关键词
Differential operator; Semi-invariant; Absolute invariant; Proper pullback operator; RELATIVE INVARIANTS; ALGORITHM;
D O I
10.1016/j.jsc.2023.02.006
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
In this paper, we present an algorithm that, given a differential operator of order 2, detects if this operator comes from a simpler operator under a non-trivial change of variables.(c) 2023 Elsevier Ltd. All rights reserved.
引用
收藏
页码:38 / 49
页数:12
相关论文
共 50 条