汉武帝时期帝、后关系探微

文章从情感、家庭、政治层面探寻汉武帝与两位皇后间的关系。情感上,两位皇后将全部的爱倾注于丈夫武帝,武帝未能做到;家庭中,帝、后虽为男主人和女主人,但皇室家庭中的特殊因素会影响到二人间的关系;政治层面上,帝后关系更是君臣关系。文章通过对汉武帝时期帝、后关系的探讨,不仅能窥探有汉一代的帝后关系,更可窥探到当时经济、政治、思想等相关的时代背景。     

阿拉伯国家在巴以问题上的民族主义

阿拉伯国家在摆脱殖民压迫，建立独立国家后，国家主权意识不断加强，大多数阿拉伯国家在处理巴以问题时，逐渐把本国的国家利益放在了首位。二战后，阿拉伯国家在意识形态领域经历了从阿拉伯民族主义到国家民族主义的演变过程。这一过程也是阿拉伯国家承认以色列、与以色列和解的过程。没有阿拉伯国家在思想领域的这一变化，就不会有中东和平进程。     

社会工作视角下大学生志愿服务长效机制构建

当前我国大学生志愿服务大多属于临时或短期的志愿服务活动,缺乏稳定性和持久性,严重制约了大学生志愿服务的深入及可持续发展。大学生志愿服务长效机制的建立,是保证志愿服务可持续发展的重要条件。个人、志愿服务和学校层面因素对大学生长期参与志愿服务产生着不同影响,通过社会工作视角分析发现,健全志愿者选拔与培训体系、导入社工价值理念、建立监督评估激励机制、创建社工义工联动机制等是构建大学生志愿服务长效机制的重要内容。     

中国石油战略安全因素分析

伴随着中国经济的快速崛起,中国能源战略安全问题逐渐突显出来。避免能源引发的国家冲突,制定有效的能源战略,这是我国政府十分重视的国家安全的战略问题。论文从国际关系和地缘政治的角度分析出发,在分析了4大国能源战略的基础上,提出了解决中国能源战略安全的基本思路:构建和谐的中美关系;加大石油储备量以防台海有事;积极建立与印度的友好关系突破美国的战略封锁;积极发展中日之间的能源合作;加强对俄罗斯的能源合作的工作力度。     

“武陵民族区”命名的价值取向及其意义——《李绍明民族学文选》巴文化研究的反思

武陵民族区概念的学术命名,是李绍明先生五十年西南民族学/人类学"理论与实践统一",运用历史方法的重要基础理论成果之一.重提《李绍明民族学文选》、解读"巴文化研究与地域文化"学理认识涉及到的历史方法学术关联.参考"武陵民族区"概念学术命名的价值取向,从武陵地域文化的民族学/人类学问题研究切入,可能寻找到创新问题原点;而"武陵民族区"作为一个特定的民族学/人类学概念学术命名的,服务于国家区域发展战略的核心价值取向,对于打开新世纪巴文化学术研究的新局面可能更有启发性.     

鲜卑汉化--论北魏孝文帝改革对民族关系的调整

北魏初年,民族矛盾尖锐,民族关系紧张.北魏孝文帝为缓解民族矛盾,缓和民族关系,巩固北魏统治,对民族关系进行了调整.使鲜卑汉化,是北魏孝文帝改革的重要内容之一.使鲜卑汉化,有利于民族融合和南北的统一,但也导致了北魏的分裂.     

空间流变与文化持守:一个移民羌村信仰习俗空间化表征的案例研究

表征的空间是列斐伏尔空间生产理论的重要议题,但在民族村寨领域还未引起足够重视。民族村寨空间生产是关于空间－人－文化三者共存秩序的复杂建构过程,其中村民弱小、碎片的空间实践机制研究有待加强。本文以一 个移民羌村为案例,在田野调查基础上,从空间生产的微观视角出发,对羌村的居住信仰、释比信仰、习俗信仪、羌年祭典四个方面信仰习俗的空间化表征展开研究。研究发现,在空间－人－文化三元互动中,羌民弱小、碎片化的空间实践使特定信仰习俗得以自洽地存续,新村表征的空间背后既是羌民“化他乡为故乡”的主体性呈现,更是羌民对本民族文化的坚定持守。     

A simpler PTAS for connected <Emphasis Type="Italic">k</Emphasis>-path vertex cover in homogeneous wireless sensor network

Because of its application in the field of security in wireless sensor networks, k-path vertex cover (\(\hbox {VCP}_k\)) has received a lot of attention in recent years. Given a graph \(G=(V,E)\), a vertex set \(C\subseteq V\) is a k-path vertex cover (\(\hbox {VCP}_k\)) of G if every path on k vertices has at least one vertex in C, and C is a connected k-path vertex cover of G (\(\hbox {CVCP}_k\)) if furthermore the subgraph of G induced by C is connected. A homogeneous wireless sensor network can be modeled as a unit disk graph. This paper presents a new PTAS for \(\hbox {MinCVCP}_k\) on unit disk graphs. Compared with previous PTAS given by Liu et al., our method not only simplifies the algorithm and reduces the time-complexity, but also simplifies the analysis by a large amount.     

A continuous characterization of the maximum vertex-weighted clique in hypergraphs

For a simple graph G on n vertices with adjacency matrix A, Motzkin and Strauss established a remarkable connection between the clique number and the global maximum value of the quadratic programm: \(\textit{max}\{ \mathbf {x}^T A \mathbf {x}\}\) on the standard simplex: \(\{\sum _{i=1}^{n} x_i =1, x_i \ge 0 \}\). In Gibbons et al. (Math Oper Res 122:754–768, 1997), an extension of the Motzkin–Straus formulation was provided for the vertex-weighted clique number of a graph. In this paper, we provide a continuous characterization of the maximum vertex-weighted clique problem for vertex-weighted uniform hypergraphs.     

Co-Occurring Psychosocial Problems and Multiple Sexual Partners among Men Who Have Sex with Men in Shanghai,China: A Syndemic Approach

We aimed to apply syndemic theory to verify the association and reinforcing effects between psychosocial problems and multiple sexual partners (MSP) of men who have sex with men (MSM) in Shanghai, China. A cross-sectional study was conducted among 547 MSM in Shanghai, China using a face-to-face survey. Sociodemographic and psychosocial data were collected, as well as information on MSP and condomless anal sex. In the 6 months prior to the survey, 54.3% of the MSM sample had had MSP. Univariate analysis showed that self-esteem, depression, loneliness, sexual compulsivity, and involuntary subordination (IS) were associated with MSP. Sexual compulsivity (multivariate odds ratio [ORm] = 2.94, 95% CI = 1.76–4.91) and IS (ORm = 1.79, 95% CI = 1.14–2.81) remained significant in multivariate analysis. MSM with five or more psychosocial problems had greater odds of (adjusted odds ratios = 3.06, 95% CI = 1.49–6.25) having MSP in the previous 6 months than the non-syndemic group. Our findings provide preliminary confirmation of the additive relationship of syndemic psychosocial health conditions and MSP among MSM in Shanghai, China. An integrated intervention with special focus on sexual compulsivity and IS is needed.