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CIRCLES: 作品数：250被引量：107H指数：5; 导出分析报告; 相关领域：政治法律更多>>; 相关作者：何湘君罗少茜王蔷陈则航唐纲更多>>; 相关机构：湖南商学院北京师范大学苏州外国语学校广州体育学院更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家教育部博士点基金高等学校学科创新引智计划更多>>

A Brief Approach to a Riemann-Hilbert Problem on Quasi-circles: 《Chinese Annals of Mathematics,Series B》2024年第6期971-978,共8页Tailiang LIU Yuliang SHEN; supported by the National Natural Science Foundation of China(No.12171346).; The authors introduce the Sobolev space H^(1/2)(Г)on a quasi-circle I and give a fast approach to the jump formula which gives a decomposition of an element in H^(1/2)(Г)as the boundary values of two Dirichlet funct...; 关键词：Sobolev space Dirichlet space Quasi-circle Quasiconformal mapping

15-Minute Fitness Circles: 《China Pictorial》2024年第1期58-58,共1页; In recent years,many cities in China have explored building"15-minute fitness circles"near residential Inaddition to Beijing,fitnesstrails communities.The goal is to place sports venues and facilities within 15 minute...; 关键词：ADDITION SPACES FITNESS

趣味计算: 《疯狂英语（双语世界）》2023年第4期23-25,48,共4页付袁; (1)Look at this figure below.Please fill in each of the circles with the correct numbers so that the sum of the three numbers on each side is equal to 21.; 关键词：NUMBERS of CIRCLES

The Number of Circles of a Maximum State of a Plane Graph with Applications被引量：1: 《Acta Mathematicae Applicatae Sinica》2021年第2期409-420,共12页Xian-an JIN Jun GE Xiao Sheng CHENG Yu-qing LIN; supported by the National Natural Science Foundation of China(Nos 11271307,11171279,11101174)。; Motivated by the connection with the genus of the corresponding link and its application on DNA polyhedral links,in this paper,we introduce a parameter s_(max)(G),which is the maximum number of circles of states of th...; 关键词：plane graph number of circles special alternating link GENUS DNA polyhedral link

Almost Cosymplectic p-Spheres and Almost Cosymplectic Metric Bi-Structures on Three-Manifolds: 《Journal of Mathematical Research with Applications》2021年第3期279-290,共12页Jin LI Ximin LIU; Supported by the National Natural Science Foundation of China(Grant No.11431009)。; The purpose of this paper is to study almost cosymplectic p-spheres and almost cosymplectic metric bi-structures.Firstly,we show some properties of almost cosymplectic p-spheres.Then we introduce the notion of almost ...; 关键词：almost cosymplectic circles almost cosymplectic spheres almost cosymplectic metric bi-structures

A Remark on the Level Sets of the Graph of Harmonic Functions Bounded by Two Circles in Parallel Planes被引量：1: 《Journal of Partial Differential Equations》2015年第3期197-207,共11页KONG Shengli XU Jinju; In this paper, we find two auxiliary functions and make use of the maximum principle to study the level sets of harmonic function defined on a convex ring with homogeneous Dirichlet boundary conditions in R2. In highe...; 关键词：Harmonic function maximum principle level set.

Decompositions of Complete Graph into (2k-1)-Circles with One Chord: 《Journal of Mathematical Research and Exposition》2006年第1期56-62,共7页单秀玲康庆德; the Natural Science Foundation of Hebei Province (103146) and Doctoral Research Fund for Hebei Higher Learning Institutions; In this paper, we give a unified method to construct G-designs and solve the existence of [C（2k-1）^（r）]-GD（v） for v=1（mod 4k）, where the graph C10^（r）,1≤r≤k-2, denotes a circle of length 2k - 1 with one c...; 关键词：graph design holey graph design difference.

FORM ERROR EVALUATION OF CIRCLES BASED ON A FINELY-DESIGNED GENETIC ALGORITHM被引量：5: 《Chinese Journal of Mechanical Engineering》2004年第1期59-62,共4页CuiChangcai CheRensheng LiZhongyan YeDong; The project is supported by National Natural Science Foundation of China(No.59975025).; A genetic algorithm(GA)-based new method is designed to evaluate thecircularity error of mechanical parts. The method uses the capability of nonlinear optimization ofGA to search for the optimal solution of circularit...; 关键词：Genetic algorithm(GA) Form error CIRCULARITY Bisexual recombination Gaussian mutation

Mathematical Model of the Identical Slope Surface被引量：1: 《Wuhan University Journal of Natural Sciences》2002年第1期54-58,共5页Hu Jian-guo 1, Chen yue-ping 2 1. School of Urban Studies,Wuhan University,Wuhan 430072, Hubei, China 2.College of Politics and Administration,Wuhan University, Wuhan 430072,Hubei, China; The formation of the identical slope surface and the method of construction are discussed. On the basement of building the parameter equation of variable-radius circle family envelope, the frequently used parameter eq...; 关键词：Key words identical slope surface family of circles mathematical model envelope elevation projection CONTOURS

Two personification strategies for solving circles packing problem被引量：13: 《Science China(Technological Sciences)》1999年第6期595-602,共8页黄文奇许如初; Project supported by the 973 National Focus Program of China on Development of Fundamental Research, 863 National HighTech Programme of China, National Natural Science Foundation of China, and Chinese Science Foundation for National Doctoral Training.; Two personification strategies are presented, which yield a highly efficient and practical algorithm for solving one of the NP hard problems——circles packing problem on the basis of the quasi-physical algorithm. A v...; 关键词：PACKING problem NP HARD HEURISTIC algorithm PERSONIFICATION METHOD quasi-physical method.

CIRCLES