云南高校图书馆联盟文献共享服务平台- QUADRIC

QUADRIC: 作品数：45被引量：83H指数：5; 导出分析报告; 相关领域：理学自动化与计算机技术更多>>; 相关作者：聂鑫张淮清崔建莲侯晋川林中更多>>; 相关机构：重庆大学陕西铁路工程职业技术学院山西师范大学空军工程大学更多>>; 相关期刊：《Chinese Physics B》《Journal of Hydrodynamics》《数学杂志》《Frontiers of Mathematics in China》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中国航空科学基金北京市自然科学基金更多>>

On the Quantum Cohomology of Blow-ups of Four-dimensional Quadrics: 《Acta Mathematica Sinica,English Series》2024年第1期313-328,共16页Jian Xun HU Hua Zhong KE Chang Zheng LI Lei SONG; supported by NSFC Grant(Grant Nos.11890662 and 11831017);supported by NSFC Grant(Grant Nos.12271532 and 11831017);supported by NSFC Grant(Grant No.11831017);Guangdong Introducing Innovative and Enterpreneurial Teams(Grant No.2017ZT07X355);supported by Guangdong Basic and Applied Basic Research Foundation(Grant No.2020A1515010876)。; We propose a conjecture relevant to Galkin’s lower bound conjecture,and verify it for the blow-ups of a four-dimensional quadric at a point or along a projective plane.We also show that Conjecture O holds in these tw...; 关键词：Quantum cohomology BLOW-UP quadric hypersurface

Solving PDEs with a Hybrid Radial Basis Function:Power-Generalized Multiquadric Kernel: 《Advances in Applied Mathematics and Mechanics》2022年第5期1161-1180,共20页Cem Berk Senel Jeroen van Beeck Atakan Altinkaynak; Radial Basis Function(RBF)kernels are key functional forms for advanced solutions of higher-order partial differential equations(PDEs).In the present study,a hybrid kernel was developed for meshless solutions of PDEs ...; 关键词：Meshfree collocation methods Radial Basis Function(RBF) partial differential equations(PDEs)

Simple primitive recognition via hierarchical face clustering: 《Computational Visual Media》2020年第4期431-443,共13页Xiaolong Yang Xiaohong Jia; the National Natural Science of Foundation for Outstanding Young Scholars(12022117);the National Natural Science Foundation of China(61872354);the Beijing Natural Science Foundation(Z190004);the Intelligent Science and Technology Advanced subject project of University of Chinese Academy of Sciences(115200S001)。; We present a simple yet efficient algorithm for recognizing simple quadric primitives(plane,sphere,cylinder,cone)from triangular meshes.Our approach is an improved version of a previous hierarchical clustering algorit...; 关键词：quadric primitive extraction MESH hierarchical clustering

Super minimal surfaces in hyper quadric Q2: 《Frontiers of Mathematics in China》2020年第5期1035-1046,共12页Jun WANG Jie FEI; supported by the National Natural Science Foundation of China(Grant No.11301273);the Natural Science Foundation of the Jiangsu Higher Education Institutions of China(17KJA110002);the Natural Science Foundationof Jiangsu Province(BK20181381);The second author was supported by the NationalNatural Science Foundation of China(Grant No.11401481);the Research Enhancement Fund and Continuous Support Fund of Xi'an Jiaotong-Liverpool University(REF-18-O1-03,RDF-SP-43).; We study a superminimal surface M immersed into a hyperquadric Q2 in several cases classified by two global defined functions TX and TY,which were introduced by X.X.Jiao and J.Wang to study a minimal immersion f:M→Q2...; 关键词：Hyperquadric superminimal surface totally real HOLOMORPHIC

Quadric SFDI for Laplacian Discretisation in Lagrangian Meshless Methods: 《Journal of Marine Science and Application》2020年第3期362-380,共19页Shiqiang Yan Q.W.Ma Jinghua Wang; In the Lagrangian meshless(particle)methods,such as the smoothed particle hydrodynamics(SPH),moving particle semi-implicit(MPS)method and meshless local Petrov-Galerkin method based on Rankine source solution(MLPG_R),...; 关键词：Laplacian discretisation Lagrangian meshless methods QSFDI Random/disordered particle distribution Poisson’s equation Patch tests

Discrete element simulation of cylindrical particles using super-ellipsoids被引量：15: 《Particuology》2019年第5期55-66,共12页Yongzhi Zhao Lei Xu Paul B. Umbanhowar Richard M. Lueptow; the China Scholarship Council and the National Natural Science Foundation of China (NSFC, Grant No. 51741608);thanks Austin Isner for help with data processing. The authors thank Guillaume Adoneth and Quentin Mougeot for acquiring experimental data on the seg-regation of cylindrical particles in a quasi-2D bounded heap.; A discrete element model based on super-ellipsoids was used to simulate cylindrical particle flow. The model can describe a cylindrical particle accurately provided the shape indices of the super-ellipsoids are set to...; 关键词：Discrete element method Super-ellipsoid Super-quadric Cylindrical PARTICLE NON-SPHERICAL PARTICLE GRANULAR material

Pseudo-anti commuting Ricci tensor for real hypersurfaces in the complex hyperbolic quadric: 《Science China Mathematics》2019年第4期679-698,共20页Young Jin Suh; supported by National Research Foundation of Korea (Grant No. NRF2015-R1A2A1A-01002459); We introduce a new notion of pseudo-anti commuting Ricci tensor for real hypersurfaces in the noncompact complex hyperbolic quadric Q^(m?)= SO_2~0,_m/SO_2SO_m and give a complete classi?cation of these hypersurfaces.; 关键词：pseudo-anti COMMUTING Ricci tensor pseudo-Einstein A-isotropic A-principal COMPLEX conjugation COMPLEX HYPERBOLIC QUADRIC

BIM虚拟技术在高速铁路变形监测信息可视化表达中的应用研究被引量：3: 《粉煤灰综合利用》2018年第6期84-86,90,共4页张婧宜孙志鹏; 陕西铁路工程职业技术学院2018年首批科研基金项目计划;课题编号:KY2018-34; 探讨高速铁路变形监测信息的可视化表达应用。将BIM虚拟技术与高速铁路变形监测信息融合,利用Multi-Quadric径向函数,对监测数据进行插值计算,构建铁路变形监测的信息模式,获得监测信息节点的物理量值。在融合距离映射法获得变形监测信...; 关键词：动态监测 BIM虚拟技术 Multi—Quadric径向函数高速铁路变形

Sub-region Alopex Optimization Method with RSM for Design of Permanent Magnet Machines: 《CES Transactions on Electrical Machines and Systems》2018年第2期207-210,共4页Xiaoyu Liu Weinong Fu; Based on an Alopex optimization algorithm and a response surface model(RSM),a hybrid sub-region methodology is presented to solve the optimal design problems of permanent magnet(PM)machines.The Alopex optimization met...; 关键词：Alopex algorithm finite element method multi quadric radial basis function optimization method radial basis function.

A novel stable value iteration-based approximate dynamic programming algorithm for discrete-time nonlinear systems: 《Chinese Physics B》2018年第1期228-235,共8页曲延华王安娜林盛; The convergence and stability of a value-iteration-based adaptive dynamic programming （ADP） algorithm are con- sidered for discrete-time nonlinear systems accompanied by a discounted quadric performance index. More ...; 关键词：adaptive dynamic programming （ADP） CONVERGENCE STABILITY discounted quadric performanceindex

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