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Search Results: 1 - 10 of 53279 matches for " Liang Guo "
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Research on Tourism Development and Enlightenment of Taiwan Flying Cow Ranch  [PDF]
Mingzhu Liang, Zhengying Guo
Journal of Service Science and Management (JSSM) , 2019, DOI: 10.4236/jssm.2019.122010
Abstract: As the emphasis on leisure agriculture is increasing in the tourism market, Flying Cow Ranch has become a typical example of many experiential agriculture farms with its unique resources, environmental advantages and educational significance. Firstly, this paper expounds and analyzes the development status and management model of Flying Cow Ranch, and uses the method of ASEB to analyses the visitor experience. Then this paper reviews the dynamic mechanism and operation mechanism of the ranch’s development comprehensively. Finally, this paper summarizes seven successful business elements and future development trends of Flying Cow Ranch.
Application of canonical Hamiltonian formulation to nonlinear light-envelope propagations
Guo Liang,Qi Guo
Physics , 2014,
Abstract: We first point out it is conditional to apply the variational approach to the nonlocal nonlinear Schr\"{o}dinger equation (NNLSE), that is, the response function must be an even function. Different from the variational approach, the canonical Hamiltonian formulation for the first-order differential system are used to deal with the problems of the nonlinear light-envelope propagations. The Hamiltonian of the system modeled by the NNLSE is obtained, which can be expressed as the sum of the generalized kinetic energy and the generalized potential. The solitons correspond to extreme points of the generalized potential. The stabilities of solitons in both local and nonlocal nonlinear media are also investigated by the analysis of the generalized potential. They are stable when the potential has minimum, and unstable otherwise.
Canonical equations of Hamilton with beautiful symmetry
Guo Liang,Qi Guo
Physics , 2012,
Abstract: The Hamiltonian formulation plays the essential role in constructing the framework of modern physics. In this paper, a new form of canonical equations of Hamilton with the complete symmetry is obtained, which are valid not only for the first-order differential system, but also for the second-order differential system. The conventional form of the canonical equations without the symmetry [Goldstein et al., Classical Mechanics, 3rd ed, Addison-Wesley, 2001] are only for the second-order differential system. It is pointed out for the first time that the number of the canonical equations for the first-order differential system is half of that for the second-order differential system. The nonlinear Schr\"{o}dinger equation, a universal first-order differential system, can be expressed with the new canonical equations in a consistent way.
Towards Automatic Transformation from UML Model to FSM Model for Web Applications  [PDF]
Xi Wang, Huaikou Miao, Liang Guo
Journal of Software Engineering and Applications (JSEA) , 2008, DOI: 10.4236/jsea.2008.11010
Abstract: The need for automatic testing of large-scale web applications suggests the use of model-based testing technology. Among various modeling languages, UML is widely spread and used for its simplicity, understandability and ease of use. But rigorous analysis for UML model is difficult due to its lack of precise semantics. On the other hand, as a formal notation, FSM provides an avenue for automatic generation of test cases, but the requirement for mathematical basis makes itself academic inventions divorced from real applications. This paper proposes an approach to transforming UML model to FSM model, taking advantage of both languages. As our work focuses on the transformation of UML state diagrams to FSM models, a specific transformation mechanism is presented, which deals with different elements with different mapping rules. To illustrate the mechanism we proposed, an example of a web application for software download is presented. Finally, we give a method for implementation of the mechanism and a tool prototype to support the method.
Global Attractors and Dimension Estimation of the 2D Generalized MHD System with Extra Force  [PDF]
Zhaoqin Yuan, Liang Guo, Guoguang Lin
Applied Mathematics (AM) , 2015, DOI: 10.4236/am.2015.64068
Abstract: In this paper, firstly, some priori estimates are obtained for the existence and uniqueness of solu-tions of a two dimensional generalized magnetohydrodynamic (MHD) system. Then the existence of the global attractor is proved. Finally, the upper bound estimation of the Hausdorff and fractal dimension of attractor is got.
Blow Up and Global Existence for a Nonlinear Viscoelastic Wave Equation with Strong Damping and Nonlinear Damping and Source terms  [PDF]
Liang Guo, Zhaoqin Yuan, Guoguang Lin
Applied Mathematics (AM) , 2015, DOI: 10.4236/am.2015.65076
Abstract: In this paper, we consider an initial-boundary value problem for a nonlinear viscoelastic wave equation with strong damping, nonlinear damping and source terms. We proved a blow up result for the solution with negative initial energy if p > m, and a global result for pm.
The Global Attractors for a Nonlinear Viscoelastic Wave Equation with Strong Damping and Linear Damping and Source Terms  [PDF]
Liang Guo, Zhaoqin Yuan, Guoguang Lin
International Journal of Modern Nonlinear Theory and Application (IJMNTA) , 2015, DOI: 10.4236/ijmnta.2015.42010
Abstract: In this paper, firstly, some priori estimates are obtained for the existence and uniqueness of solutions of a nonlinear viscoelastic wave equation with strong damping, linear damping and source terms. Then we study the global attractors of the equation.
Inertial Manifolds for 2D Generalized MHD System  [PDF]
Zhaoqin Yuan, Liang Guo, Guoguang Lin
International Journal of Modern Nonlinear Theory and Application (IJMNTA) , 2015, DOI: 10.4236/ijmnta.2015.43014
Abstract: In this paper, we prove the existence of inertial manifolds for 2D generalized MHD system under the spectral gap condition.
Towards detailed tomography of high energy heavy-ion collisions by $\gamma$-jet
Ma, Guo-Liang
High Energy Physics - Phenomenology , 2013,
Abstract: Within a multi-phase transport (AMPT) model with string melting scenario, the transverse momentum imbalance between prompt photon and jet is studied in Pb+Pb collisions at $\sqrt{s_{_{\rm NN}}}$ = 2.76 TeV. Jet losses its energy from by $\sim$15% in central collisions to by $\sim$ 5% in peripheral collisions due to strong interactions between jet and partonic matter, which is much higher than those from hadronic interactions only. The final hadronic interactions have little influence on the imbalance. The imbalance ratio, $x_{j\gamma}$, is sensitive to both production position and passing direction of $\gamma$-jet, which could enable a detail $\gamma$-jet tomographic study on the formed partonic matter by selecting different $x_{j\gamma}$ ranges experimentally. It is proposed that $\gamma$-hadron azimuthal correlation associated with photon+jet is a good probe to see the medium response to different $\gamma$-jet production configurations.
Di-jet asymmetry in Pb+Pb collisions at $\sqrt{s_{_{\rm NN}}}$ = 2.76 TeV with a multiphase transport model
Ma, Guo-Liang
High Energy Physics - Phenomenology , 2013,
Abstract: Within a multi-phase transport (AMPT) model, di-jet asymmetry is studied in Pb+Pb collisions at $\sqrt{s_{_{\rm NN}}}$ = 2.76 TeV. It has been found that a large di-jet asymmetry ($A_{J}$) is produced by strong interactions between jets and partonic matter rather than by hadronic interactions only, since jets loss much more energy via partonic interactions than with hadronic interactions. It is demonstrated that the final hadronic processes such as hadronization and hadronic rescatterings have little effects on the di-jet asymmetry owning to jet partonic energy loss. The asymmetry evolution function, final $A_{J}$ as a function of initial $A_{J}$ and jet energy loss, discloses that final di-jet asymmetry is driven by both initial di-jet asymmetry and partonic jet energy loss, which is consistent with an increasing jet energy loss in a hot and strongly interacting partonic medium in more central Pb+Pb collisions.
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