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BALANCED: 作品数：369被引量：488H指数：9; 导出分析报告; 相关领域：经济管理更多>>; 相关作者：陆蓬陈江津余成新李升李志更多>>; 相关机构：三峡大学第一临床医学院广东海洋大学广西师范学院上海交通大学更多>>; 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中国博士后科学基金国家教育部博士点基金更多>>

Ideal balanced pairs in extriangulated categories: 《Science China Mathematics》2025年第2期271-284,共14页Rongrong Xu Xianhui Fu; supported by National Natural Science Foundation of China(Grant No.12071064);Natural Science Foundation of Jilin Province of China(Grant No.YDZJ202101ZYTS168)。; Let C=(C,E,s)be an extriangulated category.In this paper,we give the notion of ideal balanced pairs in C and some equivalent characterizations of ideal balanced pairs.We show that there is a one-to-one correspondence ...; 关键词：extriangulated category ideal balanced pair strong-precovering ideal ideal cotorsion pair

Scalar curvatures in almost Hermitian geometry and some applications被引量：1: 《Science China Mathematics》2022年第12期2583-2600,共18页Jixiang Fu Xianchao Zhou; supported by National Natural Science Foundation of China(Grant Nos.10831008,11025103 and 11501505)。; On an almost Hermitian manifold, there are two Hermitian scalar curvatures associated with a canonical Hermitian connection. In this paper, two explicit formulas on these two scalar curvatures are obtained in terms of...; 关键词：J-scalar curvature canonical Hermitian connection Hermitian scalar curvature the first Chern form balanced metric k-Gauduchon metric

Compensated split-step balanced methods for nonlinear stiff SDEs with jump-diffusion and piecewise continuous arguments被引量：1: 《Science China Mathematics》2020年第12期2573-2594,共22页Ying Xie Chengjian Zhang; supported by National Natural Science Foundation of China(Grant No.11971010);Scientific Research Project of Education Department of Hubei Province(Grant No.B2019184)。; This paper deals with numerical solutions of nonlinear stiff stochastic differential equations with jump-diffusion and piecewise continuous arguments.By combining compensated split-step methods and balanced methods,a ...; 关键词：stiff stochastic differential equation jump diffusion piecewise continuous argument compensated split-step balanced method strong convergence mean-square exponential stability

Balanced augmented jackknife empirical likelihood for two sample U-statistics: 《Science China Mathematics》2018年第6期1129-1138,共10页Conghua Cheng Yiming Liu Zhi Liu Wang Zhou; supported by the Natural Science Foundation of Guangdong Province(Grant No.2016A030307019);the Higher Education Colleges and Universities Innovation Strong School Project of Guangdong Province(Grant No.2016KTSCX153);Science and Technology Development Fund of Macao(Grant No.127/2016/A3);National Natural Science Foundation of China(Grant No.11401607);a grant at the National University of Singapore(Grant No.R-155-000-181-114); In this paper, we investigate the two sample U-statistics by jackknife empirical likelihood(JEL),a versatile nonparametric approach. More precisely, we propose the method of balanced augmented jackknife empirical like...; 关键词：jackknife empirical likelihood U-STATISTICS ROC curves balanced augmented empirical likelihood

Applications of balanced pairs被引量：3: 《Science China Mathematics》2016年第5期861-874,共14页LI HuanHuan WANG JunFu HUANG ZhaoYong; supported by National Natural Science Foundation of China(Grant No.11171142); Let(X, Y) be a balanced pair in an abelian category. We first introduce the notion of cotorsion pairs relative to(X, Y), and then give some equivalent characterizations when a relative cotorsion pair is hereditary or ...; 关键词：balanced pairs relative cotorsion pairs relative derived categories relative singularity categories relative（co）resolution dimension

Judicious partitions of weighted hypergraphs: 《Science China Mathematics》2016年第3期609-616,共8页XU Xin YAN Gui Ying ZHANG Yao; National Natural Science Foundation of China (Grant Nos. 11371355 and 11471193); Let G be a weighted hypergraph with edges of size i for i = 1, 2. Let wi denote the total weight of edges of size i and α be the maximum weight of an edge of size 1. We study the following partitioning problem of Bol...; 关键词：judicious partition balanced bipartition weighted hypergraph

Monomorphism categories associated with symmetric groups and parity in finite groups: 《Science China Mathematics》2013年第3期525-530,共6页ZHANG YueHui; Monomorphism categories of the symmetric and alternating groups are studied via Cayley's Em-bedding Theorem. It is shown that the parity is well defined in such categories. As an application, the parity in a finite gr...; 关键词：monomorphism categories Cayley’s theorem PARITY balanced group

Near generalized balanced tournament designs with block sizes 4 and 5: 《Science China Mathematics》2009年第9期1927-1938,共12页SHAN XiuLing1, 2 1 Department of Mathematics, Beijing Jiaotong University, Beijing 100044, China 2 College of Mathematics and Information Science, Hebei Normal University, Shijiazhuang 050016, China; supported by National Natural Science Foundation of China (Grant Nos.10771051,10831002); A near generalized balanced tournament design, or an NGBTD(k,m) in short, is a (km+1,k,k-1)-BIBD defined on a (km+1)-set V . Its blocks can be arranged into an m×(km+1) array in such a way that (1) the blocks in ever...; 关键词：near generalized balanced tournament designs frame generalized doubly resolvable packing constructions existence 05B05

Empirical likelihood for balanced ranked-set sampled data被引量：1: 《Science China Mathematics》2009年第6期1351-1364,共14页LIU TianQing LIN Nan ZHANG BaoXue; supported by National Natural Science Foundation of China (Grant No. 10871037); Ranked-set sampling(RSS) often provides more efficient inference than simple random sampling(SRS).In this article,we propose a systematic nonparametric technique,RSS-EL,for hypoth-esis testing and interval estimation ...; 关键词：empirical likelihood ranked-set sampling testing hypotheses confidence interval estimating equation 62G10

Purely tetrahedral quadruple systems被引量：1: 《Science China Mathematics》2006年第10期1327-1340,共14页JI Lijun; This work was partially supported by the Tianyuan Mathematics Foundation of NSFC(Grant No.10526032);the Natural Science Foundation of Universities of Jiangsu Province(Grant No.05KJB110111).; An oriented tetrahedron is a set of four vertices and four cyclic triples with the property that any ordered pair of vertices is contained in exactly one of the cyclic triples. A tetrahedral quadruple system of order ...; 关键词：large set t-wise BALANCED design MENDELSOHN TRIPLE system quadruple system.

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