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colouring pictures:the First Step to Learn Painting

疯狂英语（双语世界） 2019年第2期 63-65页

作者：张姗姗广东中山市卓雅外国语学校

Many of the primary school students are interested in ***, few of them know how to learn *** primary school students think that they can begin their painting by *** fact, the first step to learn painting is to colour the pictures, for you can make the pictures more beautiful by colouring ***, you can feel how the pictures were drawn by colouring them.

关键词： colouring pictures:the First Step to Learn Painting

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A Note on Acyclic Edge colouring of Star Graph Families

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American Journal of Computational Mathematics 2015年第3期5卷 253-257页

作者： P. Shanasbabu A. V. Chithra Department of Mathematics National Institute of Technology Calicut India

A proper edge colouring f of a graph G is called acyclic if there are no bichromatic cycles in the graph. The acyclic edge chromatic number or acyclic chromatic index, denoted by , is the minimum number of colours in an acyclic edge colouring of G. In this paper, we discuss the acyclic edge colouring of middle, central, total and line graphs of prime related star graph families. Also exact values of acyclic chromatic indices of such graphs are derived and some of their structural properties are discussed.

关键词： Acyclic Edge colouring Acyclic Chromatic Index Middle Graph Central Graph Total Graph Line Graph

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A High-order Coupled Compact Integrated RBF Approximation Based Domain Decomposition Algorithm for Second-order Differential Problems

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Computer Modeling in Engineering & Sciences 2015年第4期104卷 251-304页

作者： C.M.T.Tien N.Pham-Sy N.Mai-Duy C.-D.Tran T.Tran-Cong Computational Engineering and Science Research Centre Faculty of HealthEngineering and SciencesThe University of Southern QueenslandToowoombaQueensland 4350Australia

This paper presents a high-order coupled compact integrated RBF(CC IRBF)approximation based domain decomposition(DD)algorithm for the discretisation of second-order differential *** Schwarz DD algorithms,including one-level additive/multiplicative and two-level additive/multiplicative/hybrid,are *** CCIRBF based DD algorithms are analysed with different mesh sizes,numbers of subdomains and overlap sizes for Poisson *** convergence analysis shows that the CCIRBF two-level multiplicative version is the most effective algorithm among various schemes employed ***,the present CCIRBF two-level method converges quite rapidly even when the domain is divided into many subdomains,which shows great promise for either serial or parallel *** practical tests,we then incorporate the CCIRBF into serial and parallel two-level multiplicative *** numerical examples,including those governed by Poisson and Navier-Stokes equations are analysed to demonstrate the accuracy and efficiency of the serial and parallel algorithms implemented with the *** results show:(i)the CCIRBF-Serial and-Parallel algorithms have the capability to reach almost the same solution accuracy level of the CCIRBF-Single domain,which is ideal in terms of computational calculations;(ii)the CCIRBF-Serial and-Parallel algorithms are highly accurate in comparison with standard finite difference,compact finite difference and some other schemes;(iii)the proposed CCIRBF-Serial and-Parallel algorithms may be used as alternatives to solve large-size problems which the CCIRBF-Single domain may not be able to deal *** ability of producing stable and highly accurate results of the proposed serial and parallel schemes is believed to be the contribution of the coarse mesh of the two-level domain decomposition and the CCIRBF *** is noted that the focus of this paper is on the derivation of highly accurate serial and parallel algorithms

关键词： Coupled compact integrated RBF (CCIRBF) Schwarz domain decomposition one-level two-level coarse meshes additive multiplicative hybrid serial parallel colouring technique Poisson equation Naiver-Stokes equation liddriven cavity

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A 1-Factorization of the Iterated Line Graphs of Regular Graphs

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Chinese Science Bulletin 1993年第2期38卷 89-93页

作者：赵光复 Department of Applied Mathematics Beijing Institute of Technology Beijing 100081 PRC

Which graphs are 1-factorizable? In other words, which graphs are regular graphs of class 1? It is an interesting open problem. The importance and difficulty of this problem become apparent when we realize that the four-colour theorem holds if and only if every bridgeless 3-regular planar graph is 1-factorable. Jaeger proved that if a regular

关键词： factorization colouring regular graph line graph.

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码分多址个人通信系统关键技术与系统研究

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电子科技大学学报 1996年第S3期25卷 388-388页

作者：廖仕珍

码分多址个人通信系统关键技术与系统研究主研人员：李少谦张国平何旭李仲令舒力李正茂杨东林由中国科技大学、电子科技大学、东南大学三个单位组成的南方联合课题组按合同完成的ＣＤＭＡ／ＰＣＮ技术实验系统，包括三个移动台、两个基... 详细信息

码分多址个人通信系统关键技术与系统研究主研人员：李少谦张国平何旭李仲令舒力李正茂杨东林由中国科技大学、电子科技大学、东南大学三个单位组成的南方联合课题组按合同完成的ＣＤＭＡ／ＰＣＮ技术实验系统，包括三个移动台、两个基站、一个基站控制器、两套信号功率控...

关键词： mobile communication network colouring frequency reuse

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