New Symmetries for a Model of Fast Diffusion
QIN Mao-Chang, XU Xue-Jun, MEI Feng-Xiang
Department of Applied Mechanics, Beijing Institute of Technology, Beijing 100081
New Symmetries for a Model of Fast Diffusion
QIN Mao-Chang;XU Xue-Jun;MEI Feng-Xiang
Department of Applied Mechanics, Beijing Institute of Technology, Beijing 100081
关键词 ：
02.20.Jr ,
04.20.Jb
Abstract ： The new symmetries for a mathematical model of fast diffusion are determined. A new system method is given to search for new symmetries of differential equations written in a conserved form, several new symmetry generators and exact solutions are presented.
Key words ：
02.20.Jr
04.20.Jb
出版日期: 2004-12-01
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2004, Vol. 21 
