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| 1 | Extended multivariate public key cryptosystems with secure encryption function显示文摘Advances in quantum computers pose great threats on the currently used public key cryptographic algorithms such as RSA and ECC. As a promising candidate secure against attackers equipped with quantum computational power, multivariate public key cryptosystems (MPKCs) have attracted increasing attention in recently years. Unfortunately, the existing MPKCs can only be used as a multivariate signature scheme, and it remains unknown how to construct an efficient MPKC enabling secure encryption. Furthermore, some multivariate signature schemes have been shown insecure in recent years, and it is also not trivial to build MPKC which can serve as a secure signature scheme. By employing the basic MQ-trapdoors, this paper proposes a novel MPKC and shows how it can be used as a multivariate signature scheme and a multivariate encryption scheme, respectively. The goal is achieved by incorporating our new hash authentication techniques and some modification methods such as the Shamir's minus method. Thorough analysis shows that our schemes are secure and efficient. Our MPKC gives a positive response to the challenges in multivariate public key cryptography. | WANG HouZhen 1,2 , ZHANG HuanGuo 1,2 , WANG ZhangYi 1,2 & TANG Ming 1,2 1 The Key Laboratory of Aerospace Information Security and Trusted Computing, Ministry of Education, School of Computer, Wuhan University, Wuhan 430079, China 2 State Key Laboratory of Software Engineering, Wuhan University, Wuhan 430072, China | 2011 | Science China(Information Sciences)2011，54，6： | 26 |
| 2 | RESEARCH ON PARALLEL GRINDING METHOD OF NON-AXISYMMETRIC ASPHERIC LENS显示文摘In order to resolve the problems of machining non-axisymmetric aspheric lens,which is short of flexibility in mould grinding and needs high accuracy CNC machine center in globe diamond wheel grinding,a new parallel grinding method that utilizes common arc diamond wheel is put forward.Base on the approach calculation of machining locus,the advantages of parallel grinding that machines non-axisymmetric aspheric lens by 2.5-axis CNC machine center have been obtained.The results of grinding experiment show the new method can meet the need of grinding high accuracy non-axisymmetric aspheric lens. | GuoYinbiao ChenBingkui ZhangYi KatsuoSyoji | 2004 | Chinese Journal of Mechanical Engineering2004，17，1： | 8 |
| 3 | Analysis of affinely equivalent Boolean functions显示文摘By some basic transforms and invariant theory, we give two results: 1) an algorithm, which can be used to judge if two Boolean functions are affinely equivalent and to obtain the equivalence relationship if they are equivalent. This is useful in studying Boolean functions and in engineering. For example, we classify all 8-variable homogeneous bent functions of degree 3 into two classes; 2) Reed-Muller codes R(4,6)/R(1,6), R(3,7)/R(1,7) are classified efficiently. | MENG QingShu ZHANG HuanGuo YANG Min WANG ZhangYi | 2007 | Science in China(Series F)2007，50，3： | 5 |
| 4 | Conservation laws for mechanical systems with unilateral holonomic constraints显示文摘A general approach to the construction of conservation laws for mechanical systems with unilateral holonomic constraints by finding corresponding integrating factors is presented. The definition of integrating factors for the Routh equations of motion of the systems is given, and the necessary conditions for the existence of conserved quantities of the unilateral holonomic constraint systems are studied in detail. The conservation theorem and its inverse for the systems are established, and an example is given to illustrate the application of the results. | ZHANGYi | 2004 | Progress in Natural Science:Materials International2004，14，1： | 5 |
| 5 | Development of a negative pressure hood for isolation and transportation of individual patient with respiratory infectious disease显示文摘The frequent and sudden occurrence of both known and unknown infectious diseases can cause global social panic.If the source of infection can be effectively controlled in the early stages of an outbreak,the spread of infectious diseases can be prevented.In view of this situation,this study developed for infectious or suspected infectious patients a negative pressure isolation hood which effectively achieves direct individual isolation during the early stages of disease outbreak,and facilitates long-distance transport.The hood body is made of flexible transparent polyvinyl chloride(PVC)material,and the combination of the hood material is airtight.The unique inflatable column support structure and the design of the inflatable neck sleeve effectively ensure both stiffness and air tightness of the hood body.The electrical exhaust system maintains a stable negative pressure environment inside the hood,and polluted air inside the hood can be purified by a high efficiency filter.Test results showed that the internal noise of the hood was 68±1 dB(A),the air exhaust volume of the electric exhaust system was not<200 L/min,and the filtration efficiency of the filter to 0.3μm particles was>99.99%,indicating that the hood achieved effective isolation protection for patients with respiration infectious diseases. | Limei Hao Jinhui Wu Jinming Zhang Zhangyi Liu Ying Yi Zongxing Zhang Enlei Zhang Jiancheng Qi | 2019 | Biosafety and Health2019，1，3： | 3 |
| 6 | Single DNA molecular manipulation with atomic force microscopy显示文摘Nanomanipulation of DNA molecules or other biomolecules to form artificial patterns or structures at nanometer scale has potential applications in the construction of molecular devices in future industries. It may also lead to new insights into the interesting properties and behavior of this fantastic nature-selected molecule at the sin- gle-molecular level. Here we present a special method based on the combination of macroscopic “molecular comb- ing” and microscopic “molecular cutting” to manipulate DNA molecules and form complex patterns at nanometer scale on solid surfaces. A possible strategy for ordered DNA sequencing based on this nanomanipulation technique has also been proposed. | LüJun-Hong WUShi-Ying ZHANGYi HUJun LIMin-Qian | 2004 | Nuclear Science and Techniques2004，15，5： | 3 |
| 7 | A new methodology to obtain the fracture toughness of YAG transparent ceramics显示文摘A new methodology was proposed for testing the fracture toughness of YAG transparent ceramics depended on temperature. In our model, the fracture toughness, as a material-specific property, can be expressed as tensile strength treated as the physical property or a material constant. Using this method, a suitable size larger than the inherent defects of ceramic samples and the creation of atomically sharp pre-cracks on the surface of ceramic specimens were able to be ignored. Besides, the fracture of ceramic can be described as the equivalence between the release of elastic storage energy and surface energy associated with the new fracture surface. From thermodynamics theory, the system’s internal energy includes the kinetic energy of atomic motion and the potential energy between atoms in the system. Finally, the fracture toughness at different temperatures can also be calculated by this simple quantitative relationship. In order to confirm the validity of this model, the decreasing fracture toughness of YAG transparent ceramic with increasing temperature was predicted, and the result coincided with the experimental results. | Haomin WANG Zhangyi HUANG Jianqi QI Jun WANG | 2019 | Journal of Advanced Ceramics2019，8，3： | 3 |
| 8 | N-Soliton-like Solution of Ito Equation显示文摘By using the extended Hirota's method, the N-soliton-like solution of the Ito equation is obtained. Furthermore, we also investigate the soliton-like solution interaction and find singularity. | ZHANGYi CHENDeng-Yuan | 2004 | Communications in Theoretical Physics2004，42，5X： | 2 |
| 9 | Multi-component SC Lax Integrable Hierarchy of Soliton Equations and Its Multi-component Integrable Coupling System with Two Arbitrary Functions显示文摘A new simple loop algebra GM is constructed, which is devoted to establishing an isospectral problem.By making use of generalized Tu scheme, the multi-component SC hierarchy is obtained. Furthermore, an expanding loop algebra FM of the loop algebra GM is presented. Based on FM, the multi-component integrable coupling system of the multi-component SC hierarchy of soliton equations is worked out. How to design isospectral problem of mulitcomponent hierarchy of soliton equations is a technique and interesting topic. The method can be applied to other nonlinear evolution equations hierarchy. | XIATie-Cheng YUFa-Jun CHENDeng-Yuan ZHANGYi | 2004 | Communications in Theoretical Physics2004，42，6X： | 2 |
| 10 | A New Conservation Law Derived from Mei Symmetry for the System of Generalized Classical Mechanics显示文摘A new conservation theorem derived directly from Mei symmetry of the generalized classical mechanical system is presented. First, the differential equations of motion of the system are established, and the definition and criterion of Mei symmetry for the system of generalized classical mechanics are given, which are based upon the invariance of dynamical functions under infinitesimal transformations. Second, the condition under which a Mei symmetry can lead to a new conservation law is obtained and the form of the conservation law is presented. And finally, an example is given to illustrate the application of the results. | ZHANGYi | 2004 | Communications in Theoretical Physics2004，42，6X： | 2 |
| 11 | Robust line matching through line-point invariants 显示文摘 | Fan Bin Wu Fuchao Hu Zhangyi | 2012 | Pattern Recognition2012，45，2： | 1 |
| 12 | 显示文摘 | 蔡佳利(CaiJL) 卢一卉(LuYH) 甘淋玲(GanLL) 张奕奕(ZhangYY) 周成合(ZhouCH) | 2009 | 中国抗生素杂志2009，34，： | 1 |
| 13 | PIONEER PLANTS FOR ECOSYSTEM RECOVERY IN DRAINAGE BASIN OF ERLONGSHAN RESERVOIR IN HEILONGJIANG PROVINCE, CHINA显示文摘This article reveals the ecological features and the theories and methods of introducing pioneer plants in the process of eco-restoring in different degenerative ecosystems in the drainage basin of Erlongshan Reservoir in Heilongjiang Province by systemically studying the deteriorative ecosystems and using recovery theory. The study shows that with the rise in degenerative degrees of the ecosystems, bio-species and bio-diversity sharply decrease in the study area and microclimate becomes warmer and drier in natural ecosystem. Therefore, we must attach importance to the construction of plants and biodiversity. In the study, different pioneer plants are selected for different degenerative ecosystems to restore and maintain the service functions of the ecosystems. | ZHANGXue-ping ZHANGYi CAOHui-cong | 2004 | Chinese Geographical Science2004，14，4： | 1 |
| 14 | ANitrogenFunctionalizedCarbonNanotubeCathodeforHighlyEfficientEctrocatalyticGenerationofH2O2 inElectro-FentonSystem 显示文摘 | ZHANGXing-wang FUJian-liang ZHANGYi etal | 2008 | SeparationandPurification Technology2008，64，1： | 1 |
| 15 | IntelligentfaultdiagnosisofrollingelementbearingbasedonSVMsandfractaldimension显示文摘 | YangJY ZhangYY ZhuYS | 2007 | MechanicalSystemandSignalProcessing2007，21，5： | 1 |
| 16 | A Geometrical Approach to Hojman Theorem of a Rotational Relativistic Birkhoffian System显示文摘A geometrical approach to the Hojman theorem of a rotational relativistic Birkhoffian system is presented.The differential equations of motion of the system are established. According to the invariance of differential equations under infinitesimal transformation, the determining equations of Lie symmetry are constructed. A new conservation law of the system, called Hojman theorem, is obtained, which is the generalization of previous results given sequentially by Hojman, Zhang, and Luo et al. In terms of the theory of modern differential geometry a proof of the theorem is given. | ZHANGYi | 2004 | Communications in Theoretical Physics2004，42，5X： | 1 |
| 17 | 显示文摘 | ZHANGYi SUNWei-guo FUJia etal(张皴 孙卫国 付佳 等) | | 光谱学与光谱分析0，，： | 1 |
| 18 | A FURTHER STUDY ON CORRELATION ORDER显示文摘Let (X 1,X 2,...,X n) and (Y 1,Y 2,...,Y n) be real random vectors with the same marginal distributions,if (X 1,X 2,...,X n)≤ c(Y 1,Y 2,...,Y n), it is showed in this paper that ∑ n i=1 X i≤ cx ∑ n i=1 Y i and max 1≤k≤n ∑ k i=1 X i≤ icx max 1≤k≤n ∑ k i=1 Y i hold.Based on this fact,a more general comparison theorem is obtained. | ZhangYi LuTongyu | 2004 | Applied Mathematics(A Journal of Chinese Universities)2004，19，4： | 1 |
| 19 | The study of urban community endowment service problem in China --Demand of the elderly in Taiyuan city显示文摘 | Li Xu Zhangyi Chen Gao Lu | 2015 | International English Education Research2015，，6： | 1 |
| 20 | SamplingMethodsofSoilAnimals[J]显示文摘 | CHENPeng(陈鹏) ZHANGYi(张一) | 1983 | 生态学报1983，2，2： | 1 |
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