27,860 research outputs found
Market share competition in the Chinese online game industry.
No full textThis study investigates the impacts of pricing innovations and other non-pricing dimensions on the market share competition of dominant Chinese online game companies. The empirical context of my research is the strategic behaviour of online game operators (i.e. the companies who operate online games) in the Chinese online game market – the most active market in the world with strong network effects.
According to the literature review, previous pricing studies have focused mainly on the evaluation of traditional pricing theories and their limited validity for the information economy. Velu (2005) pointed out how dominant firms in a market with strong network effects adopt business innovations to sustain their market dominance. This study first investigates the validity of Velu‟s theory and then aims to develop and expand the theory of pricing practice by discussing how dominant companies integrate pricing and other non-pricing dimensions during market share competition. With the application of an analytical synthesis, this study covers large parts of the traditional economy and information economy literature by linking the concepts of „within‟ and „across‟ theories of pricing and competition. It finally brings together different theories and adopts Bouwman and MacInnes‟ virtual web idea as an original conceptual framework to give an insight into how the pricing process and other internal and external factors impact differently on the market share competition.
The study adopts a descriptive multiple-case study strategy including five dominant Chinese online game companies and employs qualitative data collected from 64 interviewees and reliable secondary data from documentations and archival records.The findings suggest that, instead of devoting all their efforts to pricing innovation, the companies have turned to an exploration of their internal resources to enhance their competitiveness. Superficially, as an influential external factor, government regulations have constrained the operation of imported games. The study also discusses two internal themes that influence each company‟s competitive strength. They are: how to deal with the exodus of talent and how to handle strategic alliance management.
There seems to be no previous research concerning the relationship between pricing innovation and market dominance within a new economy‟s service sector. As a consequence, this research should provide insights into this academic blind spot and rationalize the diversity of strategic theory within the specific industry
Liu Kang
No full textLiu Kang: Essays on Art and Culture is a testament to the inexorable passion of an artist who knew no boundaries. This collection of essays, which Liu Kang wrote over 44 years, offers an insight into the artist’s myriad interests as well as his contributions as a first generation Nanyang artist and art educator. Translated into English for this volume, Liu Kang’s essays are accompanied by commentaries and photographs of the artist-author and his subjects
Phoebus 10: A Journal of Art History
No full texttableOfContents: Homage to the Past: The Art of Yin Xiaofeng by Ralph Gabbard and Liu Liu.. pages 5-1
Improved Three-dimensional Simplex Interpolation for Accelerating the Evaluation of Doubly Periodic Green's Function
No full textAn improved three-dimensional (3D) simplex interpolation (SI) method is proposed to accelerate the calculation of the Ewald series representation for homogeneous media doubly periodic Green's function (PGF). The optimal tetrahedron is used in the improved simplex interpolation (ISI) method which consists of the same number of data points as the SI method. Compared with the SI method, only one type of tetrahedral cell is used in the ISI method. The numerical results show that the ISI method has higher interpolation accuracy and simpler numerical implementation. The ISI method is more efficient and accurate than the existing SI, which is confirmed by the numerical results.This is an accepted manuscript of an article published as Luo, Wen, Jinbo Liu, and Jiming Song. "Improved Three-dimensional Simplex Interpolation for Accelerating the Evaluation of Doubly Periodic Green's Function." IEEE Antennas and Wireless Propagation Letters (2023). doi: https://doi.org/10.1109/LAWP.2023.3322599. Copyright 2023 IEEE.
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Rapid Electromagnetic Modeling and Simulation of Eddy Current NDE by MLKD-ACA Algorithm with Integral Kernel Truncations
No full textIn this article, a novel hybrid method of multilevel kernel degeneration and adaptive cross approximation (MLKD-ACA) algorithm with integral kernel truncations is proposed to accelerate solving integral equations using method of moments (MoM), and to simulate the 3D eddy current nondestructive evaluation (NDE) problems efficiently. The MLKD-ACA algorithm with an integral kernel-truncations-based fast solver is symmetrical in the sense that: (1) the impedance matrix, which is generated by the MoM representing the interactions among the field and source basis functions, is symmetrical; (2) the factorized form of the integral kernel (Green’s function) resulted from degenerating it by the Lagrange polynomial interpolation is symmetrical; (3) the structure of the truncated integral kernel for the interactions among the blocks, which ignores the trivial ones of the far block pairs, is symmetrical using the integral kernel truncations technique. The impedance variations predicted by the proposed symmetrical eddy current NDE solver are compared with other methods in benchmarks to show the remarkable accuracy and efficiency.This article is published as Bao, Yang, Zhiwei Liu, and Jiming Song. "Rapid Electromagnetic Modeling and Simulation of Eddy Current NDE by MLKD-ACA Algorithm with Integral Kernel Truncations." Symmetry 14, no. 4 (2022): 712. DOI: 10.3390/sym14040712. Copyright 2022 by the authors. Attribution 4.0 International (CC BY 4.0). Posted with permission
The Combined Enforcement of Normal and Tangential Boundary Conditions on the PEC-Material Interfaces in the Volume-Surface Integral Equation
No full textIn the moment method solution of the volume-surface integral equation (VSIE) modeling composite objects, the normal and tangential boundary conditions (BCs) of electric and magnetic fields are combined and collectively enforced on the perfect electric conductor (PEC)-material interfaces (PMIs). The numbers of both electric and magnetic volumetric unknowns are therefore significantly reduced. Based on the enforcement of the normal boundary condition, the SWG coefficients of the volume currents that are defined on the PECterminated tetrahedral faces can be straightforwardly calculated, which are no longer volumetric unknowns. Similarly, due to the enforcement of the tangential boundary condition, two coefficients of the four SWG bases defined on a tetrahedron, at least one of whose faces is PEC-terminated, can be determined by the other two using the weighted least-square (LS) method. Further, due to the explicit satisfaction of BCs, the proposed BCsbased VSIE improves the solution accuracy. Efficiency and validity of the proposed approach are verified by reliable numerical experiments, in which both the isotropic and anisotropic materials are involved.This is a manuscript of an article published as Liu, Jinbo, Zengrui Li, and Jiming Song. "The Combined Enforcement of Normal and Tangential Boundary Conditions on the PEC-Material Interfaces in the Volume-Surface Integral Equation." IEEE Transactions on Antennas and Propagation (2025). doi: https://doi.org/10.1109/TAP.2024.3524425
Cultural exploitation in chinese politics: Reinterpreting liu sanjie
No full textLiu Sanjie is a typical Chinese legendary figure, adapted from folk custom and transformed during many historical and political stages. By comparing the musical film Liu Sanjie with the landscape performing art Impression Liu Sanjie, this paper explores how Liu Sanjie is reconstructed in the Impression to be in accord with contemporary demands (shidaixing). In the film, made during the 1960s, Liu Sanjie was promoted as a heroine fighting against the privileged classes, but in the Impression, her class struggle has been erased and only a harmonious and abstract legend remains. Her ethnicity is promoted by Han elites as not exclusive Zhuang, but shared equally with Han, Miao and Dong ethnicity in an imagined community to propagate a sense of ethnic harmony and unified Chineseness. Her transformation from a realistic character, full of a rebelling spirit, to an abstract and disembodied ‘sense of harmony’, is a complete reinterpretation of a Chinese historical legend. Utilizing a term from Wang Ban (1997), ‘the sublime figure of history’, which refers to an ideology aestheticized by the party state for securing its governance, this paper refers to the bold artistic treatment of Liu Sanjie for cultural exploitation as ‘Liu Sanjie’s sublime’. The paper explores the evolutionary progress of Liu Sanjie from class revolution to art revolution in response to political requirements. The author is a stage-trained performing artist, specialized in both Western opera and Chinese classical and folk singing and dance. He is also a critic and art consultant in the Chinese landscape performing arts industry. These professional roles have allowed privileged access to the top people in this industry
WaaS—Wisdom as a Service
No full textAn emerging hyper-world encompasses all human activities in a social-cyber-physical space. Its power derives from the Wisdom Web of Things (W2T) cycle, namely, “from things to data, information, knowledge, wisdom, services, humans, and then back to things.” The W2T cycle leads to a harmonious symbiosis among humans, computers and things, which can be constructed by large-scale converging of intelligent information technology applications with an open and interoperable architecture. The recent advances in cloud computing, the Internet/Web of Things, big data and other research fields have provided just such an open system architecture with resource sharing/services. The next step is therefore to develop an open and interoperable content architecture with intelligence sharing/services for the organization and transformation in the “data, information, knowledge and wisdom (DIKW)” hierarchy. This chapter introduces Wisdom as a Service (WaaS) as a content architecture based on the “paying only for what you use” IT business trend. The WaaS infrastructure, WaaS economics, and the main challenges in WaaS research and applications are discussed. A case study is described to demonstrate the usefulness and significance of WaaS. Relying on the clouds (cloud computing), things (Internet of Things) and big data, WaaS provides a practical approach to realize the W2T cycle in the hyper-world for the coming age of ubiquitous intelligent IT applications
Test Make Sense?
No full textCorresponding author Changyu Liu should be listed as the first corresponding author.No Full Tex
A well‐conditioned integral equation for electromagnetic scattering from composite inhomogeneous bi‐anisotropic material and closed perfect electric conductor objects
No full textA well‐conditioned volume‐surface integral equation, called the volume integral equation‐ combined field integral equation, is applied to analyse electromagnetic (EM) scattering from arbitrarily shaped three‐dimensional composite objects comprising both inhomogeneous bi‐anisotropic material and closed perfect electric conductors (PECs). The equivalent surface and volume currents are respectively expanded using the commonly used RWG and SWG basis functions, while a matrix equation is derived by the method of moments. Because the magnetic field integral equation is involved in modelling the surface electric current, and the constitutive parameters are all tensors, some new kinds of singularities are encountered and properly handled in the filling process of the impedance matrix. Several numerical results of EM scattering from composite bi‐anisotropy and closed PEC objects are shown to illustrate the accuracy and efficiency of the proposed scheme. The validity of the continuity condition of electric flux enforced on the bi‐anisotropy‐PEC interfaces, which can be used to eliminate the volumetric electric unknowns, is also verified.This is the published version of the following article: Liu, Jinbo, Jin Yuan, Zengrui Li, and Jiming Song. "A well‐conditioned integral equation for electromagnetic scattering from composite inhomogeneous bi‐anisotropic material and closed perfect electric conductor objects." IET Microwaves, Antennas & Propagation (2021). DOI: 10.1049/mia2.12051. Posted with permission.</p
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