Invariant Solutions of the Wave Equation on Static Spherically Symmetric Spacetimes Admitting G7 Isometry Algebra

被引:1
|
作者
Azad, Hassan [1 ]
Anaya, Khaleel [2 ]
Al-Dweik, Ahmad Y. [3 ]
Mustafa, M. T. [3 ]
机构
[1] Govt Coll Univ, Abdus Salam Sch Math Sci, Lahore 54600, Pakistan
[2] King Fahd Univ Petr & Minerals, Dept Math & Stat, Dhahran 31261, Saudi Arabia
[3] Qatar Univ, Dept Math Stat & Phys, Doha 2713, Qatar
来源
SYMMETRY-BASEL | 2018年 / 10卷 / 12期
关键词
wave equation; spherically symmetric spacetimes; lie symmetries; roots; optimal systems; invariant solutions;
D O I
10.3390/sym10120665
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Algorithms to construct the optimal systems of dimension of at most three of Lie algebras are given. These algorithms are applied to determine the Lie algebra structure and optimal systems of the symmetries of the wave equation on static spherically symmetric spacetimes admitting G(7) as an isometry algebra. Joint invariants and invariant solutions corresponding to three-dimensional optimal systems are also determined.
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页数:26
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