A practical method of current mode circuit symbolic analysis using Mathematica is proposed. With the powerful symbolic manipulation capacity of Mathematica, current mode circuit symbolic analysis can be significantly ...A practical method of current mode circuit symbolic analysis using Mathematica is proposed. With the powerful symbolic manipulation capacity of Mathematica, current mode circuit symbolic analysis can be significantly simplified. The active devices are modelled by nullors. The examples of current mode filters using CCIIs are presented.展开更多
The artistic feature in the novel Huckleberry Finn is unique. One distinguishing feature is that scenes of the shore and the river appear alternatively in the novel which forms an integrate part and combines the adven...The artistic feature in the novel Huckleberry Finn is unique. One distinguishing feature is that scenes of the shore and the river appear alternatively in the novel which forms an integrate part and combines the adventures of Huck and Jim as a whole. This paper tends to give a brief analysis of the symbolic meaning of the shore and the river respectively first, and then demonstrates the balance between them, thus getting a conclusion that Twain wants to show that the limitations which society places on the individual are what he disgusts, while the personal freedom which the Mississippi River symbolizes is just what he pursues.展开更多
The new soliton solutions for the variable-coefficient Boussinesq system, whose applications are seen influid dynamics, are studied in this paper with symbolic computation. First, the Painleve analysis is used to inve...The new soliton solutions for the variable-coefficient Boussinesq system, whose applications are seen influid dynamics, are studied in this paper with symbolic computation. First, the Painleve analysis is used to investigateits integrability properties. For the identified case we give, the Lax pair of the system is found, and then the Darbouxtransformation is constructed. At last, some new soliton solutions are presented via the Darboux method. Those solutionsmight be of some value in fluid dynamics.展开更多
Fashion Film is the last communication tool in fashion market, that was born for the Web about 20 years ago, but in these last 10 years it has increased its diffusion and its expressive potentiality definitely and we ...Fashion Film is the last communication tool in fashion market, that was born for the Web about 20 years ago, but in these last 10 years it has increased its diffusion and its expressive potentiality definitely and we think that it is designed to influence the communication in other markets. Nowadays Fashion Films are reinforcing the power of fashion images, building up new brand experiences for net-consumers： they are painting new worlds for fashion brands thanks to the old cinematographic language mixed to recent Internet logics. Starting from this observation, our main question was： Can we talk about a new fashion net-aesthetics for these new fashion tales？ Using a semiotics approach, this study investigates how Fashion, Cinema and the Net come together, producing new aesthetics, with new languages and new imaginary in fashion. The result can be really visionary.展开更多
This paper is to investigate the extended(2+1)-dimensional Konopelchenko-Dubrovsky equations,which can be applied to describing certain phenomena in the stratified shear flow,the internal and shallow-water waves, plas...This paper is to investigate the extended(2+1)-dimensional Konopelchenko-Dubrovsky equations,which can be applied to describing certain phenomena in the stratified shear flow,the internal and shallow-water waves, plasmas and other fields.Painleve analysis is passed through via symbolic computation.Bilinear-form equations are constructed and soliton solutions are derived.Soliton solutions and interactions are illustrated.Bilinear-form Backlund transformation and a type of solutions are obtained.展开更多
The authors generalize the works in [5] and [6] to prove a Hopf index theorem associated to a smooth section of a real vector bundle with non-isolated zero points.
文摘A practical method of current mode circuit symbolic analysis using Mathematica is proposed. With the powerful symbolic manipulation capacity of Mathematica, current mode circuit symbolic analysis can be significantly simplified. The active devices are modelled by nullors. The examples of current mode filters using CCIIs are presented.
文摘The artistic feature in the novel Huckleberry Finn is unique. One distinguishing feature is that scenes of the shore and the river appear alternatively in the novel which forms an integrate part and combines the adventures of Huck and Jim as a whole. This paper tends to give a brief analysis of the symbolic meaning of the shore and the river respectively first, and then demonstrates the balance between them, thus getting a conclusion that Twain wants to show that the limitations which society places on the individual are what he disgusts, while the personal freedom which the Mississippi River symbolizes is just what he pursues.
基金Supported by the National Natural Science Foundation of China under Grant No. 60772023the Open Fund of the State Key Laboratory of Software Development Environment under Grant No. BUAA-SKLSDE-09KF-04+1 种基金Beijing University of Aeronautics and Astronautics, by the National Basic Research Program of China (973 Program) under Grant No. 2005CB321901the Specialized Research Fund for the Doctoral Program of Higher Education under Grant Nos. 20060006024 and 200800130006, Chinese Ministry of Education
文摘The new soliton solutions for the variable-coefficient Boussinesq system, whose applications are seen influid dynamics, are studied in this paper with symbolic computation. First, the Painleve analysis is used to investigateits integrability properties. For the identified case we give, the Lax pair of the system is found, and then the Darbouxtransformation is constructed. At last, some new soliton solutions are presented via the Darboux method. Those solutionsmight be of some value in fluid dynamics.
文摘Fashion Film is the last communication tool in fashion market, that was born for the Web about 20 years ago, but in these last 10 years it has increased its diffusion and its expressive potentiality definitely and we think that it is designed to influence the communication in other markets. Nowadays Fashion Films are reinforcing the power of fashion images, building up new brand experiences for net-consumers： they are painting new worlds for fashion brands thanks to the old cinematographic language mixed to recent Internet logics. Starting from this observation, our main question was： Can we talk about a new fashion net-aesthetics for these new fashion tales？ Using a semiotics approach, this study investigates how Fashion, Cinema and the Net come together, producing new aesthetics, with new languages and new imaginary in fashion. The result can be really visionary.
基金Supported by the National Natural Science Foundation of China under Grant No.60772023the Open Fund under Grant No.SKLSDE-2011KF-03+2 种基金Supported project under Grant No.SKLSDE-2010ZX-07 of the State Key Laboratory of Software Development Environment,Beijing University of Aeronautics and Astronauticsthe National High Technology Research and Development Program of China(863 Program) under Grant No.2009AA043303the Specialized Research Fund for the Doctoral Program of Higher Education under Grant No.200800130006,Chinese Ministry of Education
文摘This paper is to investigate the extended(2+1)-dimensional Konopelchenko-Dubrovsky equations,which can be applied to describing certain phenomena in the stratified shear flow,the internal and shallow-water waves, plasmas and other fields.Painleve analysis is passed through via symbolic computation.Bilinear-form equations are constructed and soliton solutions are derived.Soliton solutions and interactions are illustrated.Bilinear-form Backlund transformation and a type of solutions are obtained.
文摘The authors generalize the works in [5] and [6] to prove a Hopf index theorem associated to a smooth section of a real vector bundle with non-isolated zero points.
