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《数学理论与应用》: 作品数：2396被引量：3427H指数：20; 导出分析报告; 主办单位：湖南省数学学会; 最新期次：2024年4期更多>>; 发文主题：英文破产概率教学改革高等数学数学教学更多>>; 发文领域：理学经济管理自动化与计算机技术文化科学更多>>; 发文作者：刘再明郑洲顺韩旭里吴强刘心歌更多>>; 发文机构：中南大学长沙理工大学国防科学技术大学湖南师范大学更多>>; 发文基金：国家自然科学基金湖南省自然科学基金湖南省教育厅科研基金国家教育部博士点基金更多>>

A Sparse Optimal Scoring Model with Adherent Penalty: 《数学理论与应用》2024年第4期100-115,共16页Hou Dandan Liu Yongjin; supported by the National Natural Science Foundation of China(No.12271097);the Key Program of National Science Foundation of Fujian Province of China(No.2023J02007);the Central Guidance on Local Science and Technology Development Fund of Fujian Province(No.2023L3003);the Fujian Alliance of Mathematics(No.2023SXLMMS01)。; We consider the task of binary classification in the high-dimensional setting where the number of features of the given data is larger than the number of observations.To accomplish this task,we propose an adherently p...; 关键词：Sparse discriminant analysis Optimal scoring Feature selection BCD method SSNAL algorithm

Estimations for Determinats of Dashnic-Zusmanovich Type Matrices: 《数学理论与应用》2024年第4期116-126,共11页Liu Dan Wang Shiyun Zhou Lixin Lyu Zhenhua; supported by the National Natural Science Foundation of China(No.12171323);the Natural Science Foundation of Guangxi Province(No.2023GXNSFAA026514)。; To estimate the determinant of a matrix is a hot issue in numerical algebra.The class of H-matrices has a wide range of applications in many fields such as computational mathematics,control theory.In this paper,the es...; 关键词：Nonsingular H-matrix Dashnic-Zusmanovich type matrix DETERMINANT

《数学理论与应用》征稿简则: 《数学理论与应用》2024年第4期F0003-F0003,共1页《数学理论与应用》编辑部; 1.本刊为向国内外公开发行的学术季刊,主要刊登数学领域的学术论文。2.稿件应当包括题目、作者、作者单位、摘要、关键词、正文、参考文献等内容。如稿件正文为中文文本,请在中文关键词后依次提供题目、作者、作者单位、摘要及关键词准...; 关键词：格式文件压缩包中文文本源文件正文内容学术季刊英文摘要稿件正文

(m,n)-coherent Rings and FP_((m,n))-projective Modules: 《数学理论与应用》2024年第4期1-18,共18页Tan Lingling Zhang Yixia Zhou Panyue; supported by the National Natural Science Foundation of China(No.12471036),the project of Young and Middle-Aged Talents of Hubei Province(No.Q20234405),and the Scientific Research Fund of Hunan Provincial Education Department(No.24A0221)。; In this paper,we introduce the notions of_((m,n))-coherent rings and FP_((m,n))-projective modules for nonnegative integers m,n.We prove that(FP_((m,n))-Proj,(FPn-id)_(≤m))is a complete cotorsion pair for any m,n≥0 ...; 关键词：(m n)-coherent ring FP_((m n))-projective module COVER ENVELOPE Cotorsion pair

Block-transitive 3-designs Associated with Alternating Groups: 《数学理论与应用》2024年第4期19-30,共12页Gan Yunsong Liu Weijun; supported by the National Natural Science Foundation of China(No.12471022)。; A t-(v,k,λ)design is said to be G-point-primitive or G-block-transitive,if its automorphism group G acts primitively on the point set or transitively on the block set,respectively.In this paper we begin by extending ...; 关键词：Block-transitive design Primitive group Alternating group

Centers and Limit Cycles for a Class of Three-dimensional Cubic Kukles Systems: 《数学理论与应用》2024年第4期31-44,共14页Liang Kunjian Huang Zhanghan Huang Wentao; supported by the National Natural Science Foundation of China(No.12061016);the Project for Enhancing Young and Middle-aged Teacher’s Research Basis Ability in Colleges of Guangxi(No.2024KY0814)。; In this paper the centers and limit cycles for a class of three-dimensional cubic Kukles systems are investigated.First,by calculating and analyzing the common zeros of the first ten singular point quantities,the nece...; 关键词：Three-dimensional Kukles system Singular point quantity Limit cycle Center Darboux integrating method

Bounded and Unbounded Solutions of the SD Oscillator at Resonance: 《数学理论与应用》2024年第4期45-69,共25页Bian Jingke Liu Jie; supported by the Key Research Funds for the Universities of Henan Province(No.19A110018);the Foundation for Key Teachers of Henan Polytechnic University(No.2022XQG-09)。; In this paper we study the boundedness and unboundedness of the solutions of the smooth and discontinuous(SD)oscillatorbegin{equation*}x''+f(x)x'+x-frac{x}{sqrt{x^{2}+alpha^{2}}}=p(t).end{equation*}Since f(x)≠0,the s...; 关键词：SD oscillator Reversible system Bounded solution Unbounded solution

Global Stability and Bifurcation Analysis of a Cholera Transmission Model: 《数学理论与应用》2024年第4期70-87,共18页Liu Qiumei Liu Lingling Xu Fang; supported by the National Natural Science Foundation of China(No.12171337);the Central Government Guided Local Science and Technology Development Projects(No.2024ZYD0059);the Natural Science Foundation of Sichuan Province(No.2022NSFSC0529);the Open Research Fund Program of Data Recovery Key Laboratory of Sichuan Province(No.DRN2405)。; This paper investigates the stability and bifurcation phenomena of a cholera transmission model in which individuals who have recovered from the disease may become susceptible again.The threshold for determining disea...; 关键词：Cholera model Basic reproductive number Global asymptotic stability Saddle-node Transcritical bifurcation

Persistence of a Stochastic HPV Epidemic Model with Markov Switching: 《数学理论与应用》2024年第4期88-99,共12页Li Jiyuan Qiu Hong Ju Xuewei; supported by the Scientific Research Project of Tianjin Municipal Educational Commission(No.2021KJ058)。; In order to study the influence of stochastic disturbance and environment switching on the HPV infection and provide a theoretical basis for the development of effective HPV disease prevention measures,in this paper w...; 关键词：Stochastic epidemic model HPV White noise Markov switching PERSISTENCE

《数学理论与应用》