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多重叠映 显分隐合——里盖蒂《分歧》中的1/4音作曲技法研究
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作者 左延芳 《乐府新声(沈阳音乐学院学报)》 2018年第2期28-36,共9页
匈牙利作曲家乔治·里盖蒂(Gy?rgy Ligeti,1923—2006)作为20世纪后半叶先锋派作曲家之一,首创了微复调技法,为色彩斑斓的"音色-音响"音乐做出了卓越的贡献。为弦乐队或12件弦乐器而作的《分歧》(Ramifications for strin... 匈牙利作曲家乔治·里盖蒂(Gy?rgy Ligeti,1923—2006)作为20世纪后半叶先锋派作曲家之一,首创了微复调技法,为色彩斑斓的"音色-音响"音乐做出了卓越的贡献。为弦乐队或12件弦乐器而作的《分歧》(Ramifications for string orchestra or 12 solo strings,1968-69年),是作曲家成熟时期唯一一部通过特殊定弦来获取微分音的作品,体现了对微复调技法的进一步探索与创新。笔者试图以音高作为切入点,详细分析了《分歧》中定弦相差1/4音的两弦乐组在纵向上相结合的独特手法和多样的可能性,阐释了1/4音这一新因素、24平均律在构建更为复杂的微复调织体、在超越十二半音化的音高体系从而创造更为新颖奇特的"音色-音响"方面所发挥的重要作用。 展开更多
关键词 里盖蒂 《分歧》 1/4音 24平均律 微复调 叠映^[2] 音色-音响
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“我”究竟是谁——美国新锐少年小说《分歧者》中主体的认同与异化 被引量:1
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作者 崔丹 张颖 《安徽理工大学学报(社会科学版)》 2016年第6期65-69,共5页
美国少年小说作家维罗妮卡·罗斯创作的《分歧者》系列丛书获得好评如潮。小说探讨反乌托邦主题,塑造了以碧翠丝和老四为代表的融合无私、友好、正直、博学和无畏五种品质的分歧者形象,以此探讨在国家权力构建过程中个体主体性的建... 美国少年小说作家维罗妮卡·罗斯创作的《分歧者》系列丛书获得好评如潮。小说探讨反乌托邦主题,塑造了以碧翠丝和老四为代表的融合无私、友好、正直、博学和无畏五种品质的分歧者形象,以此探讨在国家权力构建过程中个体主体性的建构过程。以拉康的镜像理论为批评视角,探讨碧翠丝在无私派、无畏派和心理恐惧模拟测试过程中经历的主体的认同、异化与溯归过程。罗斯通过塑造代表本然纯粹的分歧者形象从而为反乌托邦书写注入了新的希望。 展开更多
关键词 美国少年小说 《分歧者》 维罗妮卡·罗斯 反乌托邦 拉康 镜像 主体 认同与异化
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《分歧者:异类觉醒》反乌托邦主题与隐喻
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作者 李斌 《电影文学》 北大核心 2016年第12期130-132,共3页
反乌托邦是科幻电影中常见的精神主旨,此类影片利用充满想象力的电影语言构建一个反乌托邦的未来世界,以残酷或灰暗的未来世界图景,讽喻或警示观众所生活的真实世界。由导演尼尔·伯格执导的科幻电影《分歧者:异类觉醒》改编自同名... 反乌托邦是科幻电影中常见的精神主旨,此类影片利用充满想象力的电影语言构建一个反乌托邦的未来世界,以残酷或灰暗的未来世界图景,讽喻或警示观众所生活的真实世界。由导演尼尔·伯格执导的科幻电影《分歧者:异类觉醒》改编自同名畅销科幻小说首部曲,影片通过构建一个新型的未来社会秩序,以反乌托邦的叙事语境表达具有现代意识的个人主义理想诉求。本文从影片的反乌托邦主题与隐喻叙事着手,探索影片的艺术特征与表达维度。 展开更多
关键词 《分歧者:异类觉醒》 反乌托邦 隐喻 主题 叙事
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美国电影《分歧者》的反乌托邦思想
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作者 陈琦瑶 《濮阳职业技术学院学报》 2021年第3期110-112,共3页
美国电影《分歧者》是一部表现反乌托邦思想的影片。作为近年来流行的青少年反乌托邦题材电影,《分歧者》自上映以来就受到全世界观众的喜爱。电影主要讲述了女主角翠丝在反乌托邦世界中不断抗争,最终不仅改变了个人命运,还颠覆了整个... 美国电影《分歧者》是一部表现反乌托邦思想的影片。作为近年来流行的青少年反乌托邦题材电影,《分歧者》自上映以来就受到全世界观众的喜爱。电影主要讲述了女主角翠丝在反乌托邦世界中不断抗争,最终不仅改变了个人命运,还颠覆了整个社会命运的故事。《分歧者》表达了反乌托邦作品对人性的讴歌,且反映了此类作品的无政府主义政治理念,同时也暴露了美国反乌托邦电影展现的暴力行为与反战思想之间的矛盾,这一矛盾是美国过度宣扬个人英雄主义的结果,体现了美国文化中对暴力手段的推崇。 展开更多
关键词 《分歧者》 反乌托邦 个人英雄主义
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Bifurcation control of nonlinear oscillator in primary and secondary resonance 被引量:8
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作者 李克安 萧寒 崔荣繁 《Journal of Central South University of Technology》 EI 2007年第6期826-831,共6页
A weakly nonlinear oscillator was modeled by a sort of differential equation, a saddle-node bifurcation was found in case of primary and secondary resonance. To control the jumping phenomena and the unstable region of... A weakly nonlinear oscillator was modeled by a sort of differential equation, a saddle-node bifurcation was found in case of primary and secondary resonance. To control the jumping phenomena and the unstable region of the nonlinear oscillator, feedback controllers were designed. Bifurcation control equations were obtained by using the multiple scales method. And through the numerical analysis, good controller could be obtained by changing the feedback control gain. Then a feasible way of further research of saddle-node bifurcation was provided. Finally, an example shows that the feedback control method applied to the hanging bridge system of gas turbine is doable. 展开更多
关键词 nonlinear oscillator saddle-node bifurcation feedback controller primary resonance secondary resonance gas turbine
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Calculation of Coefficients of Simplest Normal Forms of Hopf and Generalized Hopf Bifurcations 被引量:3
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作者 田瑞兰 张琪昌 何学军 《Transactions of Tianjin University》 EI CAS 2007年第1期18-22,共5页
The coefficients of the simplest normal forms of both high-dimensional generalized Hopf and high-dimensional Hopf bifurcation systems were discussed using the adjoint operator method. A particular nonlinear scaling an... The coefficients of the simplest normal forms of both high-dimensional generalized Hopf and high-dimensional Hopf bifurcation systems were discussed using the adjoint operator method. A particular nonlinear scaling and an inner product were introduced in the space of homogeneous polynomials. Theorems were established for the explicit expression of the simplest normal forms in terms of the coefficients of both the conventional normal forms of Hopf and generalized Hopf bifurcation systems. A symbolic manipulation was designed to perform the calculation of the coefficients of the simplest normal forms using Mathematica. The original ordinary differential equation was required in the input and the simplest normal form could be obtained as the output. Finally, the simplest normal forms of 6-dimensional generalized Hopf singularity of type 2 and 5-dimensional Hopf bifurcation system were discussed by executing the program. The output showed that the 5th- and 9th-order terms remained in 6-dimensional generalized Hopf singularity of type 2 and the 3rd- and 5th-order terms remained in 5-dimensional Hopf bifurcation system. 展开更多
关键词 nonlinear systems Hopf bifurcations simplest normal form COEFFICIENT symbolic manipulation
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X(1835): A Possible Baryonium? 被引量:3
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作者 ZHU Shi-Lin GAO Chong-Shou 《Communications in Theoretical Physics》 SCIE CAS CSCD 2006年第2X期291-293,共3页
We point out that the large pp^- coupling of X(1835) and the suppression of the three-body strange final states strongly indicate that X(1835) may be a pp^- baryonium. We also point out that the branching ratio o... We point out that the large pp^- coupling of X(1835) and the suppression of the three-body strange final states strongly indicate that X(1835) may be a pp^- baryonium. We also point out that the branching ratio of X(1835) →ηππ should be bigger than that of X(1835) →η′ππ. We suggest BES search X(1835) in the ηππ channel Finally, X(1835) may be used a tetraquark generator if X(1835) is really established as a baryonium state. 展开更多
关键词 baryonium new hadron states
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Arc-length technique for nonlinear finite element analysis 被引量:9
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作者 MEMONBashir-Ahmed 苏小卒 《Journal of Zhejiang University Science》 EI CSCD 2004年第5期618-628,共11页
Nonlinear solution of reinforced concrete structures, particularly complete load-deflection response, requires tracing of the equilibrium path and proper treatment of the limit and bifurcation points. In this regard, ... Nonlinear solution of reinforced concrete structures, particularly complete load-deflection response, requires tracing of the equilibrium path and proper treatment of the limit and bifurcation points. In this regard, ordinary solution techniques lead to instability near the limit points and also have problems in case of snap-through and snap-back. Thus they fail to predict the complete load-displacement response. The arc-length method serves the purpose well in principle, received wide acceptance in finite element analysis, and has been used extensively. However modifications to the basic idea are vital to meet the particular needs of the analysis. This paper reviews some of the recent developments of the method in the last two decades, with particular emphasis on nonlinear finite element analysis of reinforced concrete structures. 展开更多
关键词 Arc-length method Nonlinear analysis Finite element method Reinforced concrete Load-deflection path Document code: A CLC number: TU31 Arc-length technique for nonlinear finite element analysis* MEMON Bashir-Ahmed# SU Xiao-zu (苏小卒) (Department of Structural Engineering Tongji University Shanghai 200092 China) E-mail: bashirmemon@sohu.com xiaozub@online.sh.cn Received July 30 2003 revision accepted Sept. 11 2003 Abstract: Nonlinear solution of reinforced concrete structures particularly complete load-deflection response requires tracing of the equilibrium path and proper treatment of the limit and bifurcation points. In this regard ordinary solution techniques lead to instability near the limit points and also have problems in case of snap-through and snap-back. Thus they fail to predict the complete load-displacement response. The arc-length method serves the purpose well in principle received wide acceptance in finite element analysis and has been used extensively. However modifications to the basic idea are vital to meet the particular needs of the analysis. This paper reviews some of the recent developments of the method in the last two decades with particular emphasis on nonlinear finite element analysis of reinforced concrete structures. Key words: Arc-length method Nonlinear analysis Finite element method Reinforced concrete Load-deflection path
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The Bifurcation Behavior of CO Coupling Reactor 被引量:1
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作者 徐艳 马新宾 许根慧 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 2005年第1期56-61,共6页
The bifurcation behavior of the CO coupling reactor was examined based on the one-dimensional pseudo homogeneous axial dispersion dynamic model. The method of finite difference was used for solving the boundary value ... The bifurcation behavior of the CO coupling reactor was examined based on the one-dimensional pseudo homogeneous axial dispersion dynamic model. The method of finite difference was used for solving the boundary value problem; the continuation technique and the direct method were applied to determine the bifurcation diagram. The effects of dimensionless adiabatic temperature rise, Damkohler number, activation energy, heat transfer coefficient and feed ratio on the bifurcation behavior were investigated. It was shown that there existed static bifurcation and the oscillations did not occur in the reactor. The result also revealed that the reactor exhibited at most 1-3-1 multiplicity patterns within the range of practical possible parameters and the measures, such as weakening the axial dispersion of reactor, enhancing heat transfer, decreasing the concentration of ethyl nitrite, were efficient for avoiding the possible risk of multiple steady states. 展开更多
关键词 bifurcation behavior CO coupling reactor multiple steady states STABILITY
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Complex Dynamics Caused by Torus Bifurcation in Power Systems 被引量:1
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作者 余晓丹 贾宏杰 董存 《Transactions of Tianjin University》 EI CAS 2006年第3期186-192,共7页
Torus bifurcation is a relatively complicated bifurcation caused by a pair of complex conjugate Floquet multipliers coming out of unit circle on the Poincare section. A three-bus system is employed to reveal the relat... Torus bifurcation is a relatively complicated bifurcation caused by a pair of complex conjugate Floquet multipliers coming out of unit circle on the Poincare section. A three-bus system is employed to reveal the relationship between torus bifurcation and some complex dynamics. Based on theoretical analysis and simulation studies, it is found that torus bifurcation is a typical route to chaos in power system. Some complex dynamics usually occur after a torus bifurcation, such as self-organization, deep bifurcations, exquisite structure, coexistence of chaos and divergence. It is also found that chaos has close relationship with various instability scenarios of power systems. Studies of this paper are helpful to understand the mechanism of torus bifurcation in power system and relationship of chaos and power system instabilities. 展开更多
关键词 power system stability torus bifurcation nonlinearity CHAOS
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PERFORMANCE ANALYSIS OF INTEGRATED GPS/GLONASS CARRIER PHASE-BASED POSITIONING 被引量:3
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作者 DAI LiwenHAN ShaoweiChris Rizos 《Geo-Spatial Information Science》 2001年第4期9-18,共10页
Due to the different signal frequencies for the GLONASS satellites,the commonly-used double-differencing procedure for carrier phase data processing can not be implemented in its straightforward form,as in the case of... Due to the different signal frequencies for the GLONASS satellites,the commonly-used double-differencing procedure for carrier phase data processing can not be implemented in its straightforward form,as in the case of GPS.In this paper a novel data processing strategy,involving a three-step procedure,for integrated GPS/GLONASS positioning is proposed.The first is pseudo-range-based positioning,that uses double-differenced (DD) GPS pseudo-range and single-differenced (SD) GLONASS pseudo-range measurements to derive the initial position and receiver clock bias.The second is forming DD measurements (expressed in cycles) in order to estimate the ambiguities,by using the receiver clock bias estimated in the above step.The third is to form DD measurements (expressed in metric units) with the unknown SD integer ambiguity for the GLONASS reference satellite as the only parameter (which is constant before a cycle slip occurs for this satellite).A real-time stochastic model estimated by residual series over previous epochs is proposed for integrated GPS/GLONASS carrier phase and pseudo-range data processing.Other associated issues,such as cycle slip detection,validation criteria and adaptive procedure(s) for ambiguity resolution,is also discussed.The performance of this data processing strategy will be demonstrated through case study examples of rapid static positioning and kinematic positioning.From four experiments carried out to date,the results indicate that rapid static positioning requires 1 minute of single frequency GPS/GLONASS data for 100% positioning success rate.The single epoch positioning solution for kinematic positioning can achieve 94.6% success rate over short baselines (<6 km). 展开更多
关键词 GPS/GLONASS stochastic model functional model ambiguity resolution
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A tunable dual-broad-band branch-line coupler utilizing composite right/left-handed transmission lines
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作者 章瑜 胡黎 何赛灵 《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》 SCIE EI CAS CSCD 2005年第6期483-486,共4页
A tunable dual-broad-band branch-line coupler (BLC) utilizing composite right/left-handed (CRLH) transmission lines is presented. Two λ/4 segments consisting of CRLH transmission lines are added to each port to broad... A tunable dual-broad-band branch-line coupler (BLC) utilizing composite right/left-handed (CRLH) transmission lines is presented. Two λ/4 segments consisting of CRLH transmission lines are added to each port to broaden the dual bands of the branch-line coupler. Numerical simulation and optimal design of the novel coupler are presented. The dual bands of the novel coupler are tunable and broad. The 1-dB bandwidth of each pass band is more than 16% of the central frequency. 展开更多
关键词 Branch-line coupler (BLC) Broad band DUAL-BAND Composite right/left-handed (CRLH) LEFT-HANDED TUNABLE
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福柯驯顺身体理论视域下的女性身份分析
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作者 苗淼 《电影文学》 北大核心 2021年第2期133-135,共3页
以苏珊·科林斯的《饥饿游戏》和费罗尼卡·罗斯《分歧者》小说改编的系列电影上映后,引领了后女权时代青少年文学和电影的主要话语走向。女性在成长中对身份的焦虑是两个系列电影探讨的核心问题,而这种焦虑以最直观的服饰及外... 以苏珊·科林斯的《饥饿游戏》和费罗尼卡·罗斯《分歧者》小说改编的系列电影上映后,引领了后女权时代青少年文学和电影的主要话语走向。女性在成长中对身份的焦虑是两个系列电影探讨的核心问题,而这种焦虑以最直观的服饰及外形的演变来呈现。本文主要从福柯"驯顺的身体"概念入手,分析两个系列电影的女主人公如何从被驯服的身体,最终获得选择权,确立自己的身份,从而管窥女性反乌托邦作品中身体与身份的联系。 展开更多
关键词 身份 服饰 驯顺的身体 《饥饿游戏》 《分歧者》
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Effect of Disclination Lines on Free Energy of Nematic Liquid Crystals
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作者 YANG Guo-Hong ZHANG Hui +2 位作者 TIAN Li-Jun WANG Yu-Sheng DUAN Yi-Shi 《Communications in Theoretical Physics》 SCIE CAS CSCD 2005年第2X期213-222,共10页
In the light of φ-mapping method-and topological current theory, the effect of disclination lines on the free energy density of nematic liquid crystals is studied. It is pointed out that the total Frank free energy d... In the light of φ-mapping method-and topological current theory, the effect of disclination lines on the free energy density of nematic liquid crystals is studied. It is pointed out that the total Frank free energy density can be divided into two parts. One is the distorted energy density of director field around the disclination lines. The other is the saddle-splay energy density, which is shown to be centralized at the disclination lines and to he topologically quantized in the unit of kπ/2 when the Jacobian determinant of the director field does not vanish at the singularities of the director field. The topological quantum numbers are determined by the Hopf indices and Brouwer degrees of the director field at the disclination lines, i.e., the disclination strengthes. When the Jacobian determinant vanishes, the generation, annihilation, intersection, splitting and merging processes of the saddle-splay energy density are detailed in the neighborhoods of the limit points and bifurcation points, respectively. It is shown that the disclination line with high topological quantum number is unstable and will evolve to the low topological quantum number states through the splitting process. 展开更多
关键词 director field disclination line free energy saddle-splay BIFURCATION
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Complex Behaviors of a Simple Traffic Model
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作者 GAO Xing-Ru 《Communications in Theoretical Physics》 SCIE CAS CSCD 2006年第5X期952-960,共9页
In this paper, we propose a modified traffic model in which a single car moves through a sequence of traffic lights controlled by a step function instead of a sine function. In contrast to the previous work [Phys. Rev... In this paper, we propose a modified traffic model in which a single car moves through a sequence of traffic lights controlled by a step function instead of a sine function. In contrast to the previous work [Phys. Rev. E 70 (2004) 016107], we have investigated in detail the dependence of the behavior on four parameters, ω,α,η and α1, and given three kinds of bifurcation diagrams, which show three kinds of complex behaviors. We have found that in this model there are chaotic and complex periodic motions, as well as special singularities. We have also analyzed the characteristic of the complex period motion and the essential feature of the singularity. 展开更多
关键词 traffic model complex behavior CHAOS bifurcation diagram SINGULARITY
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Study Pure Annihilation Decays Bs^0(B^-0 s)→D^±π^-+ in PQCD Approach
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作者 LI Ying LUE Cai-Dian 《Communications in Theoretical Physics》 SCIE CAS CSCD 2005年第4X期659-664,共6页
The rare decays Bs^0(B^-0 s)→D^±π^-+ can occur only via annihilation-type diagrams in the standard model. In this paper, we calculate branching ratios of these decays in perturbative QCD approach ignoring so... The rare decays Bs^0(B^-0 s)→D^±π^-+ can occur only via annihilation-type diagrams in the standard model. In this paper, we calculate branching ratios of these decays in perturbative QCD approach ignoring soft final state interaction. From our calculation, we find that their branching ratios are at O(10^-6) with large CP asymmetry, which may be measured in LHC-b experiment in the future. 展开更多
关键词 PQCD annihilation decay B meson CP violation
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Dynamic Scaling of Ramified Clusters Formed on Liquid Surfaces
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作者 WU Feng-Min XU You-Sheng LI Qiao-Wen 《Communications in Theoretical Physics》 SCIE CAS CSCD 2006年第2X期332-336,共5页
A comprehensive simulation model -- deposition, diffusion, rotation, reaction and aggregation model is presented to simulate the formation processes of ramified clusters on liquid surfaces, where clusters can disuse a... A comprehensive simulation model -- deposition, diffusion, rotation, reaction and aggregation model is presented to simulate the formation processes of ramified clusters on liquid surfaces, where clusters can disuse and rotate easily. The mobility (including diffusion and rotation) of clusters is related to its mass, which is given by Dm = Dos^-γD and θm = θos^-γθ, respectively. The influence of the reaction probability on the kinetics and structure formation is included in the simulation model. We concentrate on revealing dynamic scaling during ramified cluster formation. For this purpose, the time evolution of the cluster density and the weight-average cluster size as well as the cluster-size distribution scaling function at different time are determined for various conditions. The dependence of the cluster density on the deposition flux and time-dependence of fractal dimension are also investigated. The obtained results are helpful in understanding the formation of clusters or thin film growth on liquid surfaces. 展开更多
关键词 dynamic scaling liquid surface ramified cluster kinetic Monte-Carlo simulation
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Vector FIGARCH process, its persistence and co-persistence in variance
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作者 李松臣 《Journal of Chongqing University》 CAS 2006年第3期165-169,共5页
In this paper, the definition of the vector FIGARCH process is established, and the stationarity and some properties of the process are discussed. According to the stationarity and the results of Du and Zhang [1], we ... In this paper, the definition of the vector FIGARCH process is established, and the stationarity and some properties of the process are discussed. According to the stationarity and the results of Du and Zhang [1], we verify the persistence in variance of the vector FIGARCH process, and finally establish the sufficient and necessary condition for the co-persistence in the variance of the process and also discuss the constant related vector FIGARCH ( p , d , q ) process as a special case. 展开更多
关键词 vector FIGARCH process stationarity PERSISTENCE co-persistence.
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Maximal sequence length of exact match between members from a gene family during early evolution
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作者 温晓 郭兴益 樊龙江 《Journal of Zhejiang University-Science B(Biomedicine & Biotechnology)》 SCIE EI CAS CSCD 2005年第6期470-476,共7页
Mutation (substitution, deletion, insertion, etc.) in nucleotide acid causes the maximal sequence lengths of exact match (MALE) between paralogous members from a duplicate event to become shorter during evolution. In ... Mutation (substitution, deletion, insertion, etc.) in nucleotide acid causes the maximal sequence lengths of exact match (MALE) between paralogous members from a duplicate event to become shorter during evolution. In this work, MALE changes between members of 26 gene families from four representative species (Arabidopsis thaliana, Oryza sativa, Mus mus- culus and Homo sapiens) were investigated. Comparative study of paralogous’ MALE and amino acid substitution rate (dA<0.5) indicated that a close relationship existed between them. The results suggested that MALE could be a sound evolutionary scale for the divergent time for paralogous genes during their early evolution. A reference table between MALE and divergent time for the four species was set up, which would be useful widely, for large-scale genome alignment and comparison. As an example, de- tection of large-scale duplication events of rice genome based on the table was illustrated. 展开更多
关键词 Maximal length of exact match (MALE) Divergent time Gene family Minimal length of exact match (MILE) Genome alignment
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B→K^*у/Decay in Top-Quark Two-Higgs-Doublet Model
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作者 XIAO Zhen-Jun CHENG Hui-Hui Lü Lin-Xia 《Communications in Theoretical Physics》 SCIE CAS CSCD 2006年第5X期895-900,共6页
By employing the QCD factorization approach for the exclusive B→Vу decays, we study the exclusive decay B→K^*у in the top-quark two-Higgs-doublet mode/(T2HDM). Within the considered parameter space, we find the... By employing the QCD factorization approach for the exclusive B→Vу decays, we study the exclusive decay B→K^*у in the top-quark two-Higgs-doublet mode/(T2HDM). Within the considered parameter space, we find the following conclusions (a) A hght charged-Higgs boson with a mass about 200 GeV is clearly excluded by the date of B→K^*у decay, and this lower limit is comparable with that from the inclusive B→X8*у decay; (b) The theoretical predictions for CP asymmetry of B→K^*у in the T2HDM is always less than 1% in size; and (c) The isospin symmetry breaking for B→K^*у decay in the SM and T2HDM considered here is around 6% in size and well consistent with the data and the general expectations. 展开更多
关键词 B meson decay charged-Higgs boson branching ratio CP asymmetry
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