数学分析  

出　　处：《中国学术期刊文摘》2008年第3期20-20,共1页Chinese Science Abstracts(Chinese Edition)

摘　　要：非负可测函数L积分的定义及其等价性;一类半线性抛物型方程组解的L^∞估计;具有时滞的竞争年龄结构模型的周期解；二值命题逻辑中理论的发散性，相容性及其拓扑刻画;一个推广的Hardy-Hilbert型不等式及其逆式.The definitions of Lebesgue integral of non-negative measurable functions and their equivalence ; L^∞estimate for solutions of semi-linear parobolic system ; The periodic solutions of a stage-structured competitive system with delays;Topological description of divergency and consistency of two-valued propositional theories ; On an extension of Hardy-Hilbert＇s type inequality and a reversion.

关 键 词：HARDY-HILBERT型不等式 数学分析 非负可测函数 L^∞估计 方程组解 结构模型 命题逻辑 等价性 

分 类 号：O178[理学—数学] O171[理学—基础数学]