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[期刊论文] 作者:Huashui Zhan, 来源:理论数学进展(英文) 年份:2011
Let be a simply connected complete Riemannian manifold with dimension n≥3 . Suppose that the sectional curvature satisfies , where p is distance function from...
[期刊论文] 作者:Huashui Zhan, 来源:理论数学进展(英文) 年份:2012
The paper quotes the concept of Ricci curvature decay to zero. Base on this new concept, by modifying the proof of the canonical Cheeger-Gromoll Splitting Theor...
[期刊论文] 作者:Huashui ZHAN, 来源:黑龙江科技学院学报 年份:2012
考虑下列 Cauchy 问题: $begin {聚在一起} u_t = div (| nabla u ^ m |^{ p - 2 } nabla u ^ m ),( x , t ) in S_T = mathbb { R }^ N times ( 0 , T ), hfill u ( x , 0 )...
[期刊论文] 作者:Huashui ZHAN, 来源:数学年刊B辑(英文版) 年份:2004
By an interpolation method, an intrinsic Harnack estimate and some supestimates are established for nonnegative solutions to a general singular parabolic equati...
[期刊论文] 作者:Huashui ZHAN, 来源:黑龙江科技学院学报 年份:2016
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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