Φ-拟增生算子的零点逼近

在一致光滑Banach空间中研究用Ishikawa迭代过程来逼近一类广义LipschitzΦ-拟增生算子方程解的收敛问题。所得结果改进和推广了已知相应的结果。     

较量:文学经典中的另类母爱表达

爱怜少子是人们的普遍心态,因爱而较量则是一种另类母爱表达,是文学经典中的一道独特的风景线。爱是较量的动机,较量是一次爱心行动、一种爱心表达。爱心无可厚非,而爱心表达则因人而异,境界有别。孩子高于一切,不顾一切地保护孩子,是古往今来大多数母亲的共同心理。     

上市公司经营者薪酬激励与公司绩效相关性的实证分析

一、引言现代企业中最主要的特征就是公司的所有权和经营权的分离。作为所有权的拥有者股东不再直接管理公司的日常经营,而是其代理人(经营者)对公司的日常经营活动进行管理。企业的经营者是企业经营创新的领先者,负责企业的经营决策,承担着企业经营的风险,因此,经营者对企业的     

概念隐喻理论与概念整合理论的联系与区别

本文首先分别回顾了Lakoff和Johnson提出的概念隐喻理论以及由Fauconnnier和Turner提出的概念整合理论的主要观点。通过对比,总结出这两种理论具有相似认知过程的联系和对隐喻现象的有区别的理解,由此得出两者在解释隐喻现象时是互补的结论。最后指出了这两个理论存在的缺陷,为发展和完善概念隐喻理论与概念整合理论指明了方向。     

全球化营销过程的跨文化分析

全球化已是经济发展的一种趋势 ,如何在全球市场上争得一席之地是企业正在面对和极需解决的问题 ,对全球化营销过程的跨文化分析就是为解决这一复杂的系统问题尽一点力。在全球化的市场中 ,文化的差异是普遍存在的。怎样利用好这些文化差异以有利于企业在海外拓展市场是全球化营销的关键 ,其解决的方法就是认识文化差异和理解文化差异 ;同时也为加入了WTO的中国企业提供了一条走出去的思路。     

基于差影技术的乳腺微钙化点检测方法

目的协助医生进行诊断,避免医生因大量阅片引起疲劳而造成误诊,提高乳腺癌早期诊断的效率和准确率。方法先对乳腺钼靶 X 线照片数字化；再对数字化的乳腺影像归一化；然后从中选取感兴趣区域；最后利用差影技术检测出微钙化点并标示于影像中。结果对于16幅(其中13幅含有微钙化)经过病理解剖确诊的乳腺钼靶片进行实验,利用本文方法共检测出14幅钙化图像。结论该方法检出率高。微钙化点定位准确,值得进一步研究。     

A review on strong convergence of weighted sums of random elements based on Wasserstein metrics

In a previous paper the authors proposed a simple method to extend results about almost sure convergence for weighted sums of real random variables to the case of Banach-valued random elements. The method arises from the extension of Skorohod's Representation Theorem for weakly convergent sequences due to Blackwell and Dubins, applied to the general framework of weakly equivalent tight sequences of probability measures. This provides a scheme which permits us to handle separately a problem that behaves like the Glivenko-Cantelli Theorem and a question on uniform integrability which generally is reduced to the real valued version of the general problem to be solved.

In this paper we prove that Wasserstein's metrics can play the same role as Skorohod's Representation Theorem in the preceding scheme. We also show that our method can be applied to obtain results with respect to various summability methods (Abel, Euler, …) even in the case in which the ‘weights’ are linear operators.     

关于Ismail-May算子线性组合的同时逼近

本文推广了的结果,主要研究了一类Ismail-May算子线性组合的同时逼近问题,在一致通近意义下,给出了逼近的正定理、逆定理及非最优逼近阶的特征刻划.     

幸福感的城乡差异分析——基于中国CGSS2008的调查数据

幸福感是人们对主观生活质量进行的一种情感性评价,是满意感、快乐感和价值感的有机统一。本文在文献评述及概念界定的基础上,结合《中国综合社会调查(CGSS)》(2008年)提供的数据,从自我期望体验、身心健康体验、心态平衡体验等三个层次上深入分析我国城乡居民幸福感之间存在的差异。通过对分类变量进行有序逻辑斯蒂回归,发现城乡居民幸福感差异与以往的研究结论不同,即农村居民幸福感不高于城镇居民。同时,简要分析这种现象产生的原因并提出相关的对策建议。     

On Sharp Jensen's Inequality and Some Unusual Applications

The purpose of this article is two-fold. First, we find it very interesting to explore a kind of notion of optimality of the customary Jensen-bound among all Jensen-type bounds. Without this result, the customary Jensen-bound stood alone simply as just another bound. The proposed notion and the associated optimality are important given that in some situations the Jensen's inequality does leave us empty handed.

When it comes to highlighting Jensen's inequality, unfortunately only a handful of nearly routine applications continues to recycle time after time. Such encounters rarely produce any excitement. This article may change that outlook given its second underlying purpose, which is to introduce a variety of unusual applications of Jensen's inequality. The collection of our important and useful applications and their derivations are new.