高职生“学习参与度”对创新创业核心素养的影响机制研究

通过对523名高职学生进行实地调研,探析“学习参与度”对学生创新创业核心素养的影响机制。结果显示:课程建设、教师引导、资源支持对学习心理参与度影响显著;教师引导、资源支持、社会实践对学习行为参与度影响显著。学习参与度显著影响创业意识、创新精神、创业能力。提出优化对策:重视学生创新创业核心素养的培养;提高学生创新创业学习参与度;人际互动提升学习心理参与度;协同培育提高学习行为参与度。     

一个包含Smarandache Ceil函数的对偶函数的方程

利用初等方法研究了一个包含Smarandache Ceil函数Sk(n)的对偶函数-Sk(n),给出了当k=6时方程-S6(1)+-S6(2)+…+-S6(n)=6Ω(n)的具体正整数解。     

关于映射周期性的若干性质及其应用的注记

若f∈PfT(R)∩C(R),则F(x)=∫axf(t)dt,x∈R与周期函数有何关系,具有哪些性质?本文将就这一问题进行研究,获得了一个关于周期函数一个重要的若干性质的定理,应用其便捷的处理了一大批与周期函数有关的问题,进而给出了关于映射周期性的若干性质及其应用的注记,这对经济周期性研究有一定的参考意义。     

Constructing and evaluating core inflation measures from component‐level inflation data

This paper undertakes a comprehensive examination of 10 measures of core inflation and evaluates which measure produces the best forecast of headline inflation out‐of‐sample. We use the Personal Consumption Expenditure Price Index as our measure of inflation. We use two sets of components (17 and 50) of the Personal Consumption Expenditure Price Index to construct these core inflation measures and evaluate these measures at the three time horizons (6, 12 and 24 months) most relevant for monetary policy decisions. The best measure of core inflation for both sets of components and over all time horizons uses weights based on the first principal component of the disaggregated (component‐level) prices. Interestingly, the results vary by the number of components used; when more components are used the weights based on the persistence of each component is statistically equivalent to the weights generated by the first principal component. However, those forecasts using the persistence of 50 components are statistically worse than those generated using the first principal component of 17 components. The statistical superiority of the principal component method is due to the fact that it extracts (in the first principal component) the common source of variation in the component level prices that accurately describes trend inflation over the next 6–24 months.     

几乎无偏刘估计的不可容许性

考虑了线性回归模型中,在Fisherian和Mahalanobis损失函数下,几乎无偏刘估计对于最小二乘估计的不可容许性;结论表明:几乎无偏刘估计在Mahalanobis损失函数下是不可容的;最后进行了数值模拟来表明结果.     

市级党校图书馆功能转变研究

为了更好应对信息技术发展带来的挑战，市级党校图书馆应明确功能定位，确定图书馆功能转变的路径方式，客观分析影响图书馆功能转变的不利因素，制定具体措施，实现市级党校图书馆的功能转变。     

考虑单元互测的测试性指标分配方法

测试性分配是将系统级测试性指标按照一定规则分配给各组成单元的过程。针对现有主流测试性分配方法未考虑单元之间的互测情形,导致分配结果不合理,尤其是部分单元分配指标虚高,难以实现或代价过高等问题,提出了在综合考虑单元故障率、故障危害度等多重影响因素基础上,进一步考虑单元互测因素的测试性指标分配方法。首先实施考虑多重影响因素的指标初次分配;然后基于单元测试性初步设计结果,实施测试性建模与分析,得到单元自检故障率与他检故障率;再利用这两个数据以及初次分配结果构造分配函数实施再次分配,进而得到最终的分配结果;最后应用该方法进行仿真和实例运算,证明了该方法的有效性和先进性。     

带变量核的分数次积分交换子在变指数Herz-Morrey空间上的有界性

证明了带变量核的分数次积分算子T_(Ω,μ)与Lipschitz函数b生成的高阶交换子[b~m,T_(Ω,μ)]在变指数Herz-Morrey空间MK_(q,p)~(α,λ)(·)(R~n)上的有界性.     

Reconsideration on Homogeneous Quadratic Riemann Boundary Value Problem

The homogeneous quadratic Riemann boundary value problem (1) with Hoelder continuous coefficients for the normal case was considered by the author in 1997. But the solutions obtained there are incomplete. Here its general method of solution is obtained.     

含PM-映射的变分不等式

文章在自反Banach空间中，利用锐角原理讨论了含PM-映射的变分不等式解的存在性问题。