简介:研究一类二维无界区域中的等热双极不可压粘性非牛顿流体力学方程组,通过证明相应的解半群的紧性,得到整体吸引子的存在性.
简介:Inthispaper,weinvestigatethecomplexoscillationofthedifferentialequationf''+B1f'+B0f=F1whtereB0,B1,F≠0areordermeromorphicfunctionshavingonlyfinitelymanypolesandtheorderofB1islargerthanthatofB0.Weobtainsomepreciseestimatesoftheorderofgrowthandoftheexponentofconvergenceofthezero-sequenceofsolutionsforthisequation.
简介:运用Hadmard反函数定理讨论了一类满足渐近非一致性条件的常微分方程组解的存在唯一性,推广了已有结果.