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[期刊论文] 作者:RUANHang-Yu, 来源:理论物理通讯:英文版 年份:2005
A variable separation approach is used to obtain exact solutions of the (2+1)-dimensional generalized Nizhnik-Novikov-Veselov equation. Two of these exact solut...
[期刊论文] 作者:LIHui-Jun RUANHang-Yu, 来源:理论物理通讯:英文版 年份:2004
The inverse recursion operator, three new sets of symmetries, and infinite-dimensional Lie algebras for the nonlinear diffusion equation are given. Some nonloc...
[期刊论文] 作者:RUANHang-Yu,CHENYi-Xin,等, 来源:理论物理通讯:英文版 年份:2001
After considering the variable coefficient of a nonlinear equation as a new dependent variable, some special types of variable-coefficient equation can be solve...
[期刊论文] 作者:李宏,阮航宇,LIHong,RUANHang-Yu, 来源:黑龙江科技学院学报 年份:2001
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
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