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MF2-DMTD: A Formalism and Game-Based Reasoning Framework for Optimized Drone-Type Moving Target Defense
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作者 Sang Seo Jaeyeon Lee +2 位作者 Byeongjin Kim Woojin Lee Dohoon Kim 《Computers, Materials & Continua》 SCIE EI 2023年第11期2595-2628,共34页
Moving-target-defense(MTD)fundamentally avoids an illegal initial compromise by asymmetrically increasing the uncertainty as the attack surface of the observable defender changes depending on spatial-temporal mutation... Moving-target-defense(MTD)fundamentally avoids an illegal initial compromise by asymmetrically increasing the uncertainty as the attack surface of the observable defender changes depending on spatial-temporal mutations.However,the existing naive MTD studies were conducted focusing only on wired network mutations.And these cases have also been no formal research on wireless aircraft domains with attributes that are extremely unfavorable to embedded system operations,such as hostility,mobility,and dependency.Therefore,to solve these conceptual limitations,this study proposes normalized drone-type MTD that maximizes defender superiority by mutating the unique fingerprints of wireless drones and that optimizes the period-based mutation principle to adaptively secure the sustainability of drone operations.In addition,this study also specifies MF2-DMTD(model-checkingbased formal framework for drone-type MTD),a formal framework that adopts model-checking and zero-sum game,for attack-defense simulation and performance evaluation of drone-type MTD.Subsequently,by applying the proposed models,the optimization of deceptive defense performance of drone-type MTD for each mutation period also additionally achieves through mixed-integer quadratic constrained programming(MIQCP)and multiobjective optimization-based Pareto frontier.As a result,the optimal mutation cycles in drone-type MTD were derived as(65,120,85)for each control-mobility,telecommunication,and payload component configured inside the drone.And the optimal MTD cycles for each swarming cluster,ground control station(GCS),and zone service provider(ZSP)deployed outside the drone were also additionally calculated as(70,60,85),respectively.To the best of these authors’knowledge,this study is the first to calculate the deceptive efficiency and functional continuity of the MTD against drones and to normalize the trade-off according to a sensitivity analysis with the optimum. 展开更多
关键词 Moving-target-defense(MTD) DRONE formal methods game theory
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Effects of formal credit on pastoral household expense: Evidence from the Qinghai-Xizang Plateau of China
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作者 Yan Zhang Yi Huang +1 位作者 Fan Zhang Zeng Tang 《Journal of Integrative Agriculture》 SCIE CAS CSCD 2024年第5期1774-1785,共12页
Formal credit is critical in agricultural production,allowing more expenditure and productive input,thereby improving farmers'welfare.In pastoral China,formal financial institutions are gradually increasing.Howeve... Formal credit is critical in agricultural production,allowing more expenditure and productive input,thereby improving farmers'welfare.In pastoral China,formal financial institutions are gradually increasing.However,a limited understanding remains of how formal credit affects herders'household expenses.Based on a survey of 544 herders from the Qinghai-Xizang Plateau of China,this study adopted the propensity score matching approach to identify the effect of formal credit on herders'total household expenses,daily expenses,and productive expenses.The results found that average age,grassland mortgage,and other variables significantly affected herders'participation in formal credit.Formal credit could significantly improve household expenses,especially productive expenses.A heterogeneity analysis showed that formal credit had a greater impact on the household total expense for those at higher levels of wealth;however,it significantly affected the productive expense of herders at lower wealth levels.Moreover,the mediating effect indicated that formal credit could affect herders'household income,thus influencing their household expenses.Finally,this study suggests that policies should improve herders'accessibility to formal credit. 展开更多
关键词 formal credit herders EXPENSE Qinghai-Xizang Plateau
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A Formal Model for Analyzing Fair Exchange Protocols Based on Event Logic
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作者 Ke Yang Meihua Xiao Zehuan Li 《Computer Modeling in Engineering & Sciences》 SCIE EI 2024年第3期2641-2663,共23页
Fair exchange protocols play a critical role in enabling two distrustful entities to conduct electronic data exchanges in a fair and secure manner.These protocols are widely used in electronic payment systems and elec... Fair exchange protocols play a critical role in enabling two distrustful entities to conduct electronic data exchanges in a fair and secure manner.These protocols are widely used in electronic payment systems and electronic contract signing,ensuring the reliability and security of network transactions.In order to address the limitations of current research methods and enhance the analytical capabilities for fair exchange protocols,this paper proposes a formal model for analyzing such protocols.The proposed model begins with a thorough analysis of fair exchange protocols,followed by the formal definition of fairness.This definition accurately captures the inherent requirements of fair exchange protocols.Building upon event logic,the model incorporates the time factor into predicates and introduces knowledge set axioms.This enhancement empowers the improved logic to effectively describe the state and knowledge of protocol participants at different time points,facilitating reasoning about their acquired knowledge.To maximize the intruder’s capabilities,channel errors are translated into the behaviors of the intruder.The participants are further categorized into honest participants and malicious participants,enabling a comprehensive evaluation of the intruder’s potential impact.By employing a typical fair exchange protocol as an illustrative example,this paper demonstrates the detailed steps of utilizing the proposed model for protocol analysis.The entire process of protocol execution under attack scenarios is presented,shedding light on the underlying reasons for the attacks and proposing corresponding countermeasures.The developedmodel enhances the ability to reason about and evaluate the security properties of fair exchange protocols,thereby contributing to the advancement of secure network transactions. 展开更多
关键词 Fair exchange protocols FAIRNESS formal analysis logic reasoning
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A Natural Language Generation Algorithm for Greek by Using Hole Semantics and a Systemic Grammatical Formalism
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作者 Ioannis Giachos Eleni Batzaki +2 位作者 Evangelos C.Papakitsos Stavros Kaminaris Nikolaos Laskaris 《Journal of Computer Science Research》 2023年第4期27-37,共11页
This work is about the progress of previous related work based on an experiment to improve the intelligence of robotic systems,with the aim of achieving more linguistic communication capabilities between humans and ro... This work is about the progress of previous related work based on an experiment to improve the intelligence of robotic systems,with the aim of achieving more linguistic communication capabilities between humans and robots.In this paper,the authors attempt an algorithmic approach to natural language generation through hole semantics and by applying the OMAS-III computational model as a grammatical formalism.In the original work,a technical language is used,while in the later works,this has been replaced by a limited Greek natural language dictionary.This particular effort was made to give the evolving system the ability to ask questions,as well as the authors developed an initial dialogue system using these techniques.The results show that the use of these techniques the authors apply can give us a more sophisticated dialogue system in the future. 展开更多
关键词 Natural language processing Natural language generation Natural language understanding Dialog system Systemic grammar formalism OMAS-III HRI Virtual assistant Hole semantics
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Aesthetism, Russian Formalism, and Their Comparison
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作者 张孟豪 《海外英语》 2014年第3X期238-240,共3页
In our class,we have already learned some articles of Aesthetism.The famous aesthetes,such as Walter Pater,Oscar Wilde,Benedetto Croce,all give us huge impressions.And Russian Formalism is also very important school o... In our class,we have already learned some articles of Aesthetism.The famous aesthetes,such as Walter Pater,Oscar Wilde,Benedetto Croce,all give us huge impressions.And Russian Formalism is also very important school of thoughts.As they all study art,literature and form,I would like to know the relationship between them.In this paper,first I will show some of my own understandings on Both Aesthetism and Russian Formalism.Then I will compare them to find similarities and differences.At last,I will say something about my preference. 展开更多
关键词 Aesthetism RUSSIAN formalism COMPARISON
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A Definition Formalism of Machining Features for DFM
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作者 孙正兴 张福炎 《Journal of Southeast University(English Edition)》 EI CAS 1999年第1期49-54,共6页
特征技术在设计和制造中的成功应用取决于其形式化理论的建立.本文从形式化定义和可制造性分析两个方面研究了面向制造设计中制造特征的形式化描述方法,提出了基于设计几何材料去除操作选择和规划的相关制造特征定义,给出了相应的可... 特征技术在设计和制造中的成功应用取决于其形式化理论的建立.本文从形式化定义和可制造性分析两个方面研究了面向制造设计中制造特征的形式化描述方法,提出了基于设计几何材料去除操作选择和规划的相关制造特征定义,给出了相应的可制造性分析算法框架.所提出的方法为基于特征的CAD/CAM集成,尤其是为设计自动化的实现提供了一种新的思路. 展开更多
关键词 面向制造设计 特征技术 制造特征 形式化定义 工艺规划
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“形式主义”不完全等于“formalism”——基于CCL和COCA语料库的对比分析 被引量:2
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作者 马晴 张政 《中国科技术语》 2018年第6期59-66,共8页
"形式主义"一词在国内的大众媒体中频频出现,是中国政治文献常用的术语之一。国内的权威词典大多将其翻译成formalism。文章基于CCL语料库和COCA语料库,从词频、搭配和语义韵三个角度进行了对比分析,发现"形式主义"... "形式主义"一词在国内的大众媒体中频频出现,是中国政治文献常用的术语之一。国内的权威词典大多将其翻译成formalism。文章基于CCL语料库和COCA语料库,从词频、搭配和语义韵三个角度进行了对比分析,发现"形式主义"一词在不同领域中含义大相径庭,特别是在中国政治领域中,该词更是含义特殊。笔者建议中国政治文献中的"形式主义"应翻译成formism,以便与其他语境下该词被翻译成formalism相区分。 展开更多
关键词 形式主义 翻译 语料库 formalism formism
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A note on the mass of Kerr-AdS black holes in the off-shell generalized ADT formalism 被引量:1
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作者 景艺德 彭俊金 《Chinese Physics B》 SCIE EI CAS CSCD 2017年第10期66-73,共8页
In this note, the off-shell generalized Abbott-Deser-Tekin (ADT) formalism is applied to explore the mass of Kerr- anti-de Sitter (Kerr-AdS) black holes in various dimensions within asymptotically rotating frames.... In this note, the off-shell generalized Abbott-Deser-Tekin (ADT) formalism is applied to explore the mass of Kerr- anti-de Sitter (Kerr-AdS) black holes in various dimensions within asymptotically rotating frames. The cases in four and five dimensions are explicitly investigated. It is demonstrated that the asymptotically rotating effect may make the charge non-integrable or unphysical when the asymptotic non-rotating timelike Killing vector associated with the charge is allowed to vary and the fluctuation of the metric is determined by the variation of all the mass and rotation parameters. To obtain a physically meaningful mass, it is proposed that one can let the non-rotating timelike Killing vector be fixed or perform calculations in the asymptotically static frame. The results further support that the ADT formalism is background- dependent. 展开更多
关键词 conserved charge Kerr-AdS black hole ADT formalism
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Constructing(2+1)-dimensional N=1 supersymmetric integrable systems from the Hirota formalism in the superspace 被引量:1
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作者 王建勇 唐晓艳 梁祖峰 《Chinese Physics B》 SCIE EI CAS CSCD 2018年第4期144-153,共10页
The N = 1 supersymmetric extensions of two integrable systems,a special negative Kadomtsev–Petviashvili(NKP)system and a(2+1)-dimensional modified Korteweg–de Vries(MKd V) system,are constructed from the Hiro... The N = 1 supersymmetric extensions of two integrable systems,a special negative Kadomtsev–Petviashvili(NKP)system and a(2+1)-dimensional modified Korteweg–de Vries(MKd V) system,are constructed from the Hirota formalism in the superspace.The integrability of both systems in the sense of possessing infinitely many generalized symmetries are confirmed by extending the formal series symmetry approach to the supersymmetric framework.It is found that both systems admit a generalization of W∞type algebra and a Kac-Moody–Virasoro type subalgebra.Interestingly,the first one of the positive flow of the supersymmetric NKP system is another N = 1 supersymmetric extension of the(2+1)-dimensional MKd V system.Based on our work,a hypothesis is put forward on a series of(2+1)-dimensional supersymmetric integrable systems.It is hoped that our work may develop a straightforward way to obtain supersymmetric integrable systems in high dimensions. 展开更多
关键词 formal series symmetry approach generalized symmetry supersymmetric NKP system supersymmetric MKdV system
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THERMODYNAMIC FORMALISM FOR SUBADDITIVE SEQUENCE OF DISCONTINUOUS FUNCTIONS 被引量:1
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作者 Xianfeng Ma Ercai Chen Yu Pei 《Analysis in Theory and Applications》 2010年第2期174-185,共12页
关键词 thermodynamic formalism variational principle topological pressure. sub- additive sequence of functions
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The Multifractal Formalism for Measures, Review and Extension to Mixed Cases 被引量:1
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作者 Mohamed Menceur Anouar Ben Mabrouk Kamel Betina 《Analysis in Theory and Applications》 CSCD 2016年第4期303-332,共30页
The mulfifractal formalism for single measure is reviewed. Next, a mixed generalized multifractal formalism is introduced which extends the multifractal formalism of a single measure based on generalizations of the Ha... The mulfifractal formalism for single measure is reviewed. Next, a mixed generalized multifractal formalism is introduced which extends the multifractal formalism of a single measure based on generalizations of the Hausdorff and packing measures to a vector of simultaneously many measures. Borel-Cantelli and Large deviations Theorems are extended to higher orders and thus applied for the validity of the new variant of the multifractal formalism for some special cases of multi-doubling type measures. 展开更多
关键词 Hausdorff measures packing measures Hausdorff dimension packing dimension renyi dimension multifractal formalism vector valued measures mixed cases Holderian measures doubling measures Borel-Cantelli large deviations
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Investigating the effect of entrance channel mass asymmetry on fusion reactions using the Skyrme energy density formalism 被引量:1
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作者 M.M.Hosamani A.Vinayak N.M.Badiger 《Nuclear Science and Techniques》 SCIE CAS CSCD 2020年第9期45-52,共8页
In the present investigations,the fusion crosssections for the formation of 200Pb compound nucleus(CN)using 16O+184 W,30Si+170Er,and 40Ar+160Gd nuclear reactions at energies above the Coulomb barrier were calculated t... In the present investigations,the fusion crosssections for the formation of 200Pb compound nucleus(CN)using 16O+184 W,30Si+170Er,and 40Ar+160Gd nuclear reactions at energies above the Coulomb barrier were calculated to understand the effect of entrance channel mass asymmetry(α)on the fusion reactions;the Skyrme energy density formalism(SEDF)was used for this calculation.The SEDF uses the Hartree-Fock-Bogolyubov(HFB)computational program with Skyrme forces such as SkM*,SLy4,and SLy5 to obtain the nucleus-nucleus potential parameters for the above reactions.Using the SEDF model with SkM*,SLy4,and SLy5 interaction forces,the theoretical fusion cross-sections were determined above the barrier energy and compared with the available experimental fusion cross-sections.The results show a close agreement between the theoretical and experimental values for all selected systems at energies well above the barrier.However,near the barrier energies,the theoretical values were observed to be higher than the experimental values. 展开更多
关键词 Skyrme force Energy density formalism Hartree-Fock-Bogolyubov Thomas-Fermi model Coupled-channel calculation
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Hamiltonian Formalism of mKdV Equation with Non-vanishing Boundary Values 被引量:1
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作者 HE Jing-Song CHEN Shi-Rong 《Communications in Theoretical Physics》 SCIE CAS CSCD 2005年第2X期321-325,共5页
Hamiltonian formalism of the mKdV equation with non-vanishing boundary valueis re-examined by a revised form of the standard procedure. It is known that the previous papers did not give the final results and involved ... Hamiltonian formalism of the mKdV equation with non-vanishing boundary valueis re-examined by a revised form of the standard procedure. It is known that the previous papers did not give the final results and involved some questionable points [T.C. Au Yeung and P.C.W. Fung, J. Phys. A 21 (1988) 3575]. In this note, simple results are obtained in terms of an affine parameter and a Galileo transformation is introduced to ensure the results compatible with those derived from the inverse scattering transform. 展开更多
关键词 Hamiltonian函数 MKDV方程 边值问题 仿射参数
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FURTHER STUDIES ON STROH-TYPE FORMALISMS FOR ANISOTROPIC PLATES WITH BENDING-EXTENSION COUPLING
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作者 Pin Lu HaiBo Chen 《Acta Mechanica Solida Sinica》 SCIE EI 2007年第4期324-332,共9页
Stroh-type formalisms for anisotropic thin plates in literature axe reviewed and discussed, and two kinds of hybrid Stroh-type formalisms axe compared. It is seen that the two Stroh-type formalisms are essentially equ... Stroh-type formalisms for anisotropic thin plates in literature axe reviewed and discussed, and two kinds of hybrid Stroh-type formalisms axe compared. It is seen that the two Stroh-type formalisms are essentially equivalent. With simple transfer relations, they can be expressed each other. In addition, with properly defined notation systems, the two Stroh-type formalisms can also be written in unified forms, which will be convenient in applications. 展开更多
关键词 Stroh formalism anisotropic plate Stroh-type formalism composite laminates
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GENERALIZED STROH FORMALISM FOR ANISOTROPIC ELASTICITY FOR GENERAL BOUNDARY CONDITIONS
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作者 丁啟财 王敏中 《Acta Mechanica Sinica》 SCIE EI CAS CSCD 1992年第3期193-207,共15页
The Stroh formalism is most elegant when the boundary conditions are simple, namely,they are prescribed in terms of traction or displacement.For mixed boundary conditions such as there for a slippery boundary,the conc... The Stroh formalism is most elegant when the boundary conditions are simple, namely,they are prescribed in terms of traction or displacement.For mixed boundary conditions such as there for a slippery boundary,the concise matrix expressions of the Stroh formalism are destroyed.We present a generalized Stroh formalism which is applicable to a class of general boundary conditions.The general boundary conditions in- clude the simple and slippery boundary conditions as special cases.For Green's functions for the half space, the general solution is applicable to the case when the surface of the half-space is a fixed,a free,a slippery, or other more general boundary.For the Griffith crack in the infinite space,the crack can be a slit-like crack with free surfaces,a rigid line inclusion(which is sometimes called an anticrack),or a rigid line with slippery surface or with other general surface conditions.It is worth mention that the modifications required on the Stroh formalism are minor.The generalized formalism and the final solutions look very similar to those of unmodified version.Yet the results are applicable to a rather wide range of boundary conditions. 展开更多
关键词 ANISOTROPIC ELASTICITY Stroh formalism mixed boundary conditions
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Comparison of the Molecular Interaction Volume Model with the Unified Interaction Parameter Formalism in the Fe-Cr-Ni Liquid Alloys at 1873 K
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作者 Dongping TAO 《Journal of Materials Science & Technology》 SCIE EI CAS CSCD 2006年第4期559-564,共6页
The molecular interaction volume model (MIVM) for a general ternary system was deduced in detail for further clarifying and understanding its general multicomponent expression. Both MIVM and the unified interaction ... The molecular interaction volume model (MIVM) for a general ternary system was deduced in detail for further clarifying and understanding its general multicomponent expression. Both MIVM and the unified interaction parameter formalism (UIPF) can be used to predict the activities of solutes and solvents in the Fe-Cr-Ni liquid alloys. But the former employs only the infinite dilute activity coefficients, and the later is not applicable without the dilute binary and ternary interaction parameters. MIVM has a certain physical meaning from the viewpoint of statistical thermodynamics, so it is an alternative for the estimation of activity coefficients of the solutes and solvents in a dilute or finite concentration metal solution where the interaction parameters are absent or their accuracies are questionable. 展开更多
关键词 ACTIVITY PREDICTION Molecular interaction volume model Unified interaction parameter formalism
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Radiative decay from doubly to singly excited states of He via generalization of Laguerre-type orbitals: A non-orthogonal formalism
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作者 熊庄 Bacalis N C 《Chinese Physics B》 SCIE EI CAS CSCD 2007年第2期374-381,共8页
By taking full account of the non-orthogonality of the orbitals between the low-lying doubly excited states ^1po and the singly excited states ^1S^e and ^1D^e of He, the corresponding radiative decay rates have been i... By taking full account of the non-orthogonality of the orbitals between the low-lying doubly excited states ^1po and the singly excited states ^1S^e and ^1D^e of He, the corresponding radiative decay rates have been investigated theoretically via analytic generalized Laguerre-type atomic orbitals at a nearly numerical multi-conflguration self-consistent field accuracy in a general non-orthogonal configuration interaction scheme. From these rates, we calculate the VUV photon emission and metastable atom spectra, and both are found to be in good qualitative agreement with recent excellent measurements. We obtain, successfully, the enhancement of the VUV photon spectrum, experimentally observed at the energy of (2s4p-4s2p)/(2p,3d) ^1po as compared with other nearby lying states. The mechanism proposed by Odling-Smee et al is verified, implying that taking appropriate account of the overlap existing between orbitals of the low-lying doubly excited and singly excited states (especially important for the compact orbitals) can reveal basic physical dominant mechanism and is crucial in understanding these spectra. 展开更多
关键词 doubly excited states singly excited states analytic basis functions non-orthogonality formalism
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Geometrical Diagnostics for Modified Gravitational Theory with the Different Formalisms
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作者 Jianbo Lu Mou Xu +2 位作者 Jie Wang Yan Liu Zhitong Zhuang 《Journal of High Energy Physics, Gravitation and Cosmology》 CAS 2022年第4期874-889,共16页
Geometrical diagnostic methods were often applied to distinguish the gravitational models. But it is scarce to investigate the differences between the different formalisms of modified gravitational theories (e.g. the ... Geometrical diagnostic methods were often applied to distinguish the gravitational models. But it is scarce to investigate the differences between the different formalisms of modified gravitational theories (e.g. the metric formalism and the Palatini formalism). In this paper, we discriminate the gravitational theory with the different formalisms by using the geometrical diagnostic methods. For a considered modified theory of gravity (e.g. the f(R) theory or GBD theory), we can see that the difference between the two formalisms is remarkable according to the diagnostic results. And relative to the ΛCDM model, there are more deviations in metric formalism than those in Palatini formalism, according to the {r, s} diagnostic. Given that the GBD (generalized Brans-Dicke theory) is a time-variable Newton gravitational constant (VG) theory, the differences between the VG theory and the constant-G theory are studied. It indicates that the variation of Newton’s gravitational constant could induce notable effects on geometrical quantities (e.g. r, s and q) in both metric formalism and Palatini formalism. 展开更多
关键词 Time-Variable Gravitational Constant Metric formalism Palatini formalism Geometrical Diagnostic
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Einstein Dilemma and Two-State Vector Formalism
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作者 Kunihisa Morita 《Journal of Quantum Information Science》 2015年第2期41-46,共6页
In the famous EPR paper published in 1935, Einstein, Podolsky, and Rosen suggested a thought experiment, which later became known as the “EPR experiment”. Using the EPR experiment, they posited that quantum mechanic... In the famous EPR paper published in 1935, Einstein, Podolsky, and Rosen suggested a thought experiment, which later became known as the “EPR experiment”. Using the EPR experiment, they posited that quantum mechanics was incomplete. Einstein, however, was dissatisfied with the EPR paper and published a second work on the EPR experiment, in which he discussed the dilemma of choosing whether quantum mechanics was incomplete or nonlocal. Currently, most physicists choose the nonlocality of quantum mechanics over Einstein’s choice of the incompleteness of quantum mechanics. However, with an appropriate alternate hypothesis, both of these choices can be rejected. Herein, I demonstrate an approach to overcome the Einstein Dilemma by proposing a new interpretation invoked by a new formalism of quantum mechanics known as two-state vector formalism. 展开更多
关键词 Two-State Vector formalism EINSTEIN DILEMMA COMPLETENESS LOCALITY
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Measurement Problem and Two-State Vector Formalism
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作者 Kunihisa Morita 《Journal of Modern Physics》 2015年第13期1864-1867,共4页
In this paper, I show that an interpretation of quantum mechanics using two-state vector formalism proposed by Aharonov, Bergmann, and Lebowitz, can solve one of the measurement problems formulated by Maudlin. Accordi... In this paper, I show that an interpretation of quantum mechanics using two-state vector formalism proposed by Aharonov, Bergmann, and Lebowitz, can solve one of the measurement problems formulated by Maudlin. According to this interpretation, we can simultaneously insist that the wave function of a system is complete, that the wave function is determined by the Schr?dinger equation, and that the measurement of a physical quantity always has determinate outcomes, although Maudlin in his formulation of the measurement problem states that these three claims are mutually inconsistent. Further, I show that my interpretation does not contradict the uncertainty relation and the no-go theorem. 展开更多
关键词 Two-State VECTOR formalism Measurement Problem No-Go THEOREM
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