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Average vector field methods for the coupled Schrdinger KdV equations

Chinese Physics B 2014年第7期23卷 242-250页

作者：张弘宋松和陈绪栋周炜恩 Department of Mathematics and System Science College of ScienceNational University of Defense Technology State Key Laboratory of High Performance Computing National University of Defense Technology

The energy preserving average vector field （AVF） method is applied to the coupled Schr6dinger-KdV equations. Two energy preserving schemes are constructed by using Fourier pseudospectral method in space direction discretization. In order to accelerate our simulation, the split-step technique is used. The numerical experiments show that the non-splitting scheme and splitting scheme are both effective, and have excellent long time numerical behavior. The comparisons show that the splitting scheme is faster than the non-splitting scheme, but it is not as good as the non-splitting scheme in preserving the invariants.

关键词： coupled Schrodinger-KdV equations average vector field method splitting method Fourier pseu-dospectral method

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Genetic analysis of over 1 million people identifies 535 new loci associated with blood pressure traits (vol 50, pg 1412, 2018)

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NATURE GENETICS 2018年第12期50卷 1755-1755页

作者： Evangelou, Evangelos Warren, Helen R. Mosen-Ansorena, David Mifsud, Borbala Pazoki, Raha Gao, He Ntritsos, Georgios Dimou, Niki Cabrera, Claudia P. Karaman, Ibrahim Fu Liang Ng Evangelou, Marina Witkowska, Katarzyna Tzanis, Evan Hellwege, Jacklyn N. Giri, Ayush Edwards, Digna R. Velez Sun, Yan V. Cho, Kelly Gaziano, J. Michael Wilson, Peter W. F. Tsao, Philip S. Kovesdy, Csaba P. Esko, Tonu Magi, Reedik Milani, Lili Almgren, Peter Boutin, Thibaud Debette, Stephanie Ding, Jun Giulianini, Franco Holliday, Elizabeth G. Jackson, Anne U. Li-Gao, Ruifang Lin, Wei-Yu Luan, Jian'an Mangino, Massimo Oldmeadow, Christopher Prins, Bram Peter Qian, Yong Sargurupremraj, Muralidharan Shah, Nabi Surendran, Praveen Theriault, Sebastien Verweij, Niek Willems, Sara M. Zhao, Jing-Hua Amouyel, Philippe Connell, John de Mutsert, Renee Doney, Alex S. F. Farrall, Martin Menni, Cristina Morris, Andrew D. Noordam, Raymond Pare, Guillaume Poulter, Neil R. Shields, Denis C. Stanton, Alice Thom, Simon Abecasis, Goncalo Amin, Najaf Arking, Dan E. Ayers, Kristin L. Barbieri, Caterina M. Batini, Chiara Bis, Joshua C. Blake, Tineka Bochud, Murielle Boehnke, Michael Boerwinkle, Eric Boomsma, Dorret I. Bottinger, Erwin P. Braund, Peter S. Brumat, Marco Campbell, Archie Campbell, Harry Chakravarti, Aravinda Chambers, John C. Chauhan, Ganesh Ciullo, Marina Cocca, Massimiliano Collins, Francis Cordell, Heather J. Davies, Gail de Borst, Martin H. de Geus, Eco J. Deary, Ian J. Deelen, Joris Del Greco, Fabiola M. Demirkale, Cumhur Yusuf Dorr, Marcus Ehret, Georg B. Elosua, Roberto Enroth, Stefan Erzurumluoglu, A. Mesut Ferreira, Teresa Franberg, Mattias Franco, Oscar H. Gandin, Ilaria Gasparini, Paolo Giedraitis, Vilmantas Gieger, Christian Girotto, Giorgia Goel, Anuj Gow, Alan J. Gudnason, Vilmundur Guo, Xiuqing Gyllensten, Ulf Hamsten, Anders Harris, Tamara B. Harris, Sarah E. Hartman, Catharina A. Havulinna, Aki S. Hicks, Andrew A. Hofer, Edith Hofman, Albert Hottenga, Jouke-Jan Huffman, Jennifer E. Hwang, Shih-Jen Ingelsson, Erik James, Alan Jansen Department of Epidemiology and Biostatistics Imperial College London London UK Department of Hygiene and Epidemiology University of Ioannina Medical School Ioannina Greece William Harvey Research Institute Barts and The London School of Medicine and Dentistry Queen Mary University of London London UK National Institute for Health Research Barts Cardiovascular Biomedical Research Center Queen Mary University of London London UK MRC-PHE Centre for Environment and Health Imperial College London London UK Department of Mathematics Imperial College London London UK Division of Epidemiology Department of Medicine Institute for Medicine and Public Health Vanderbilt Genetics Institute Vanderbilt University Medical Center Tennessee Valley Healthcare System (626)/Vanderbilt University Nashville TN USA Vanderbilt Genetics Institute Vanderbilt Epidemiology Center Department of Obstetrics and Gynecology Vanderbilt University Medical Center Tennessee Valley Health Systems VA Nashville TN USA Department of Epidemiology Emory University Rollins School of Public Health Atlanta GA USA Department of Biomedical Informatics Emory University School of Medicine Atlanta GA USA Massachusetts Veterans Epidemiology Research and Information Center (MAVERIC) VA Boston Healthcare System Boston MA USA Division of Aging Department of Medicine Brigham and Women’s Hospital Department of Medicine Harvard Medical School Boston MA USA Atlanta VAMC and Emory Clinical Cardiovascular Research Institute Atlanta GA USA VA Palo Alto Health Care System Division of Cardiovascular Medicine Stanford University School of Medicine Stanford CA USA Nephrology Section Memphis VA Medical Center and University of Tennessee Health Science Center Memphis TN USA Estonian Genome Center University of Tartu Tartu Estonia Program in Medical and Population Genetics Broad Institute of Harvard and MIT Cambridge MA USA Department Clinical Sciences Malmö Lund University Malmö Sweden MRC Human Genetics Un

High blood pressure is a highly heritable and modifiable risk factor for cardiovascular disease. We report the largest genetic association study of blood pressure traits (systolic, diastolic and pulse pressure) to date in over 1 million people of European ancestry. We identify 535 novel blood pressure loci that not only offer new biological insights into blood pressure regulation but also highlight shared genetic architecture between blood pressure and lifestyle exposures. Our findings identify new biological pathways for blood pressure regulation with potential for improved cardiovascular disease prevention in the future.

关键词： Cardiovascular diseases Genome informatics Genome-wide association studies

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Multi-symplectic method for the coupled Schrdinger–KdV equations

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Chinese Physics B 2014年第8期23卷 226-232页

作者：张弘宋松和周炜恩陈绪栋 Department of Mathematics and System Science College of Science National University of Defense Technology State Key Laboratory of High Performance Computing National University of Defense Technology

In this paper, we present a multi-symplectic Hamiltonian formulation of the coupled Schrtidinger-KdV equations （CS＇KE） with periodic boundary conditions. Then we develop a novel multi-symplectic Fourier pseudospectral （MSFP） scheme for the CSKE. In numerical experiments, we compare the MSFP method with the Crank-Nicholson （CN） method. Our results show high accuracy, effectiveness, and good ability of conserving the invariants of the MSFP method.

关键词： coupled Schr/Sdinger-KdV equations multi-symplectic Fourier pseudospectral method

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Triaxiality of neutron-rich Ge84,86,88 from low-energy nuclear spectra

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Physical Review C 2017年第1期96卷 011301(R)-011301(R)页

作者： M. Lettmann V. Werner N. Pietralla P. Doornenbal A. Obertelli T. R. Rodríguez K. Sieja G. Authelet H. Baba D. Calvet F. Château S. Chen A. Corsi A. Delbart J.-M. Gheller A. Giganon A. Gillibert V. Lapoux T. Motobayashi M. Niikura N. Paul J.-Y. Roussé H. Sakurai C. Santamaria D. Steppenbeck R. Taniuchi T. Uesaka T. Ando T. Arici A. Blazhev F. Browne A. Bruce R. J. Caroll L. X. Chung M. L. Cortés M. Dewald B. Ding F. Flavigny S. Franchoo M. Górska A. Gottardo A. Jungclaus J. Lee B. D. Linh J. Liu Z. Liu C. Lizarazo S. Momiyama K. Moschner S. Nagamine N. Nakatsuka C. Nita C. R. Nobs L. Olivier Z. Patel Zs. Podolyák M. Rudigier T. Saito C. Shand P.-A. Söderström I. Stefan V. Vaquero K. Wimmer Z. Xu Institut für Kernphysik Technische Universität Darmstadt 64289 Darmstadt Germany RIKEN Nishina Center 2-1 Hirosawa Wako Saitama 351-0198 Japan CEA Centre de Saclay IRFU/Service de Physique Nucléaire 91191 Gif-sur-Yvette France Departamento de Física Teórica Universidad Autónoma de Madrid 28049 Madrid Spain IPHC CNRS/IN2P3 et Université de Strasbourg 67037 Strasbourg France State Key Laboratory of Nuclear Physics and Technology Peking University Beijing 100871 People's Republic of China Department of Physics University of Tokyo 7-3-1 Hongo Bunkyo Tokyo 113-0033 Japan GSI Helmholtzzentrum für Schwerionenforschung GmbH 64291 Darmstadt Germany Institut für Kernphysik Universität zu Köln 50937 Köln Germany School of Computing Engineering and Mathematics University of Brighton Brighton BN2 4GJ United Kingdom Department of Physics University of Surrey Guildford GU2 7XH United Kingdom Institute for Nuclear Science and Technology VINATOM P.O. Box 5T-160 Nghia Do Hanoi Vietnam Institute of Modern Physics Chinese Academy of Sciences Lanzhou 730000 People's Republic of China Institut de Physique Nucléaire Orsay IN2P3-CNRS 91406 Orsay Cedex France Instituto de Estructura de la Materia CSIC 28006 Madrid Spain Department of Physics University of Hong Kong Pokfulam Hong Kong Department of Physics Faculty of Science Kyoto University Kyoto 606-8502 Japan Horia Hulubei National Institute of Physics and Nuclear Engineering (IFIN-HH) 077125 Bucharest Romania KU Leuven Instituut voor Kern- en Stralingsfysica 3001 Leuven Belgium

γ-ray transitions between low-spin states of the neutron-rich Ge84,86,88 were measured by means of in-flight γ-ray spectroscopy at 270 MeV/u. Excited 61+,41,2+, and 21,2+ states of Ge84,86 and 41+ and 21,2+ states of Ge88 were observed. Furthermore, a candidate for a 31+ state of Ge86 was identified. This state plays a key role in the discussion of ground-state triaxiality of Ge86, along with other features of its low-energy level scheme. A new region of triaxially deformed nuclei is proposed in the Ge isotopic chain.

关键词： Collective levels H & He induced nuclear reactions Nuclear density functional theory Nuclear many-body theory Nuclear structure & decays Nucleon induced nuclear reactions Rare & new isotopes 59 ≤ A ≤ 89 Radioactive beams Shell model

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Monitor-based Liveness-enforcing Petri Net Supervisors for Flexible Manufacturing systems 33

Monitor-based Liveness-enforcing Petri Net Supervisors for F...

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第三十三届中国控制会议

作者： YOU Dan WANG Shouguang ZHOU MengChu WU Wenhui School of Information & Electronic Engineering Zhejiang Gongshang University IEEE State Key Laboratory for Manufacturing Systems Engineering Xi’ an Jiaotong University The Key Laboratory of Embedded System and Service Computing Ministry of EducationTongji University Department of Electrical and Computer Engineering New Jersey Institute of TechnologyNewarkNJ 07102USA

ISBN: (纸本)9781479947249

Deadlocks are a rather undesirable phenomenon in flexible manufacturing systems(FMSs).This work,by adding monitors,develops a deadlock prevention policy for FMSs that can be modeled by a class of Petri nets called-S3 PR ***,an algorithm is given to reduce an S3 PR via *** on it,-resources in-S3 PRs are classified into A--resources and ***,for an-S3 PR with only B--resources,it is proved that a maximally permissive liveness-enforcing supervisor can be designed by M-controlling all the emptied strict minimal siphons(SMSs).For an-S3 PR containing A--resources,a liveness-enforcing supervisor can be designed by iteratively reducing the net via A--resources and adding the corresponding ***,a comprehensive deadlock prevention algorithm for-S3 PRs is *** FMS example is used to illustrate its application.

关键词： Flexible manufacturing system(FMS),Petri nets,deadlock prevention policy,supervisory control

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A framework of video coding for compressing near-duplicate videos

A framework of video coding for compressing near-duplicate v...

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20th Anniversary International Conference on MultiMedia Modeling, MMM 2014

作者： Wang, Hanli Ma, Ming Jiang, Yu-Gang Wei, Zhihua Department of Computer Science and Technology Tongji University Shanghai China Key Laboratory of Embedded System and Service Computing Ministry of Education Tongji University Shanghai China School of Computer Science Fudan University Shanghai China

ISBN: (纸本)9783319041131

With the development of multimedia technique and social network, the amount of videos has grown rapidly, which brings about an increasingly substantial percentage of Near-Duplicate Videos (NDVs). It has been a hot research topic to retrieve NDVs for a number of applications such as copyright detection, Internet video ranking, etc. However, there exist a lot of redundancies in NDVs, and to the best of our knowledge it is an untouched research area on how to efficiently compress NDVs in a joint manner. In this work, a novel video coding framework is proposed to effectively compress NDVs by making full use of the relevance among them. Experimental results demonstrate that a significant storage saving can be achieved by the proposed NDV coding framework. © 2014 Springer International Publishing.

关键词： Video signal processing

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Quasi-synchronization for delayed systems with parameter mismatches via aperiodically intermittent control

Quasi-synchronization for delayed systems with parameter mis...

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International Conference on systems and Informatics (ICSAI)

作者： Xiwei Liu Ping Li Yuan Xu Ying Liu Department of Computer Science and Technology Key Laboratory of Embedded System and Service Computing Shanghai China

ISBN: (纸本)9781479954599

Quasi-synchronization is an important type of synchronization because of the parameter mismatches in the real world, so we will investigate it for a delayed network, which is master-slave coupled. By applying the aperiodically and nonlinearly intermittent control on the network, and assuming the time delay is varying, we will present some useful criteria for exponential quasi-synchronization. The main difference of this paper with previous works is that the intermittent mode is aperiodic while that in previous works is periodic. Finally, simulations are also given to show its validity.

关键词： Synchronization Mathematical model Delay effects Numerical models Observers Equations Educational institutions

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Study of test classification algorithm based on domain knowledge

Study of test classification algorithm based on domain knowl...

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Third International Conference on Cyberspace technology (CCT 2015)

作者： Yutong Gao Feifan Song Xiaqing Xie Qing Sun Xu Wu Department of Computer Science and Information Engineering National Taipei University of Technology China School of Economics andManagement Beijing University of Posts and Telecommunications China Beijing University of Posts and Telecommunications Library China Key Laboratory of Trustworthy Distributed Computing and Service (BUPT) Ministry of Education Beijing China

When facing various and massive data resources, how to effectively utilize the resources according to the division field is one of the core problem of the institutional repository research. In this paper, we improved Bayesian classification algorithm, then proposed a text classification algorithm based on domain knowledge. Furthermore, some key technologies such as text classification, feature selection, weight improvement and domain knowledge algorithm improvement are designed and implemented. We use widely applied IkAnalyzer method to classify Chinese words. For feature selection and weight improvement part, we focus on the processing of special vocabulary in the document. We introduce the field expand vocabulary assist the Bayesian formula in the field application part to obtain the final result. The experiment result shows that the improved algorithm enhanced the accuracy of the classification efficiently, and the system calculating time is acceptable.

关键词： Bayesian Classification Domain Knowledge Institutional Repository Sorting Algorithms Text Classification domain knowledge Text categorization Sorting algorithm Feature extraction

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Solving economic dispatch problem in energy internet using a two-level stochastic gossip-based consensus algorithm

Solving economic dispatch problem in energy internet using a...

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2014 International Conference on Energy Research and Power Engineering, ERPE 2014

作者： Meng, Jie Zhang, Yan Zhang, Tao College of Information System and Management National University of Defense Technology Changsha China State Key Laboratory of High Performance Computing National University of Defense Technology Changsha China

ISBN: (纸本)9783038351603

In the future, energy Internet will gradually replace the traditional power network since it enables flexible energy sharing for consumers. Consensus algorithm achieved good performance in solving economic dispatch problem in microgrid system whereas the difficulty is finding a consensus variable. By means of choosing the incremental generator cost of each energy local area network (ELAN) as the consensus variable, the economic dispatch problem can be solved. Using the stochastic gossip-based algorithm as the basic framework, the economic dispatch problem can be solved in a distributed manner. In order to meeting the real-time load requirement in time under the fixed communication topology, the fluctuation of each ELAN will do the consensus update at the same time. The result of a representative case is presented to illustrate the performance of the proposed two-level stochastic gossip-based consensus algorithm. © (2014) Trans Tech Publications, Switzerland.

关键词： Scheduling

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The roles of sampling zero dynamics in the discrete-time models for linear and nonlinear systems 33

The roles of sampling zero dynamics in the discrete-time mod...

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第三十三届中国控制会议

作者： LIANG Shan ZENG Cheng MITSUAKI Ishitobi ZHONG Jiaqi College of Automation Chongqing University Key Laboratory of Dependable Service Computing in Cyber Physical Society Ministry of Education Chongqing University Graduate School of Science and Technology Kumamoto University

ISBN: (纸本)9781479947249

It is well-known that the occurrence of sampling zero dynamics is relevant to the problem of discrete-time and sampled-data control for linear and nonlinear continuous-time *** particular,the sampling zero dynamics play also a very important role in the linear and nonlinear discrete-time transfer function and controller *** we explore some worthwhile results on the asymptotic properties of sampling zero dynamics to gain important new insights into the effect of sampling for linear and nonlinear *** results also demonstrate that the discrete-time models have to account,to some extent,for the sampling zero dynamics when considering the discrete dynamics behavior of the real control systems.

关键词： Sampling Zero Dynamics,Discrete-Time Models,Zero-Order Hold

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