期刊：
Journal of Differential Equations,2025年414:201-241 ISSN：0022-0396
通讯作者：
Chuang Xiang
作者机构：
[Jicai Huang; Min Lu] School of Mathematics and Statistics, Hubei Key Lab–Math. Sci., Central China Normal University, Wuhan, Hubei 430079, PR China;[Chuang Xiang] School of Mathematical Sciences and Key Laboratory of NSLSCS (Ministry of Education), Nanjing Normal University, Nanjing 210023, PR China;[Lan Zou] School of Mathematical Sciences, Capital Normal University, Beijing 100089, PR China
通讯机构：
[Chuang Xiang] S;School of Mathematical Sciences and Key Laboratory of NSLSCS (Ministry of Education), Nanjing Normal University, Nanjing 210023, PR China
作者机构：
[Quan, Fengjiao; Xu, Pengfei; Chen, Xiaolan; Shen, Wenjuan; He, Yun; Li, Jianfen] College of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China;[Jia, Falong] College of Chemistry, Central China Normal University, Wuhan 430079, China;[Zhan, Guangming] School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
通讯机构：
[Falong Jia] C;College of Chemistry, Central China Normal University, Wuhan 430079, China
作者机构：
[Guo, Furong; Gao, Tingjuan] Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Institute of Environmental & Applied Chemistry, College of Chemistry, Central China Normal University, Wuhan 430079, China;School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;[Li, Jiangshan] State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China;[Cao, Shiyu] Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Institute of Environmental & Applied Chemistry, College of Chemistry, Central China Normal University, Wuhan 430079, China<&wdkj&>State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China;[Shi, Yanbiao; Zhang, Lizhi] Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Institute of Environmental & Applied Chemistry, College of Chemistry, Central China Normal University, Wuhan 430079, China<&wdkj&>School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
通讯机构：
[Tingjuan Gao; Lizhi Zhang] K;Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Institute of Environmental & Applied Chemistry, College of Chemistry, Central China Normal University, Wuhan 430079, China<&wdkj&>School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China<&wdkj&>Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Institute of Environmental & Applied Chemistry, College of Chemistry, Central China Normal University, Wuhan 430079, China
作者机构：
[Yun Cao; Mengmeng Liu; Wenying Zhang; Xiaotong Zhang] China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China;National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China;School of Public Health, Anhui Medical University, Hefei 230032, China;[Mats Tysklind] Department of Chemistry, Umea University, Umea SE-901 87, Sweden;College of Life Science, Huazhong Normal University, Wuhan 430079, China
通讯机构：
[Xianliang Wang] C;China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China<&wdkj&>National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China<&wdkj&>School of Public Health, Anhui Medical University, Hefei 230032, China
摘要：
To explore the multicenter characteristics of endocrine-like phthalate esters (PAEs) in household dust and propose effective control strategies for global indoor public health. An on-site observational investigation was conducted in nine Chinese cities from 2018 to 2019. A total of 246 household dust samples were collected and analyzed for ten PAE congeners using Gas Chromatography-Mass Spectrometry (GC-MS). Questionnaires were used to gather information on building conditions, indoor behaviors, and ventilation habits. In residential dust from the nine cities, the total concentrations of the ten PAE congeners (∑PAEs) ranged from 0.921 to 29097.297 µg/g. Dicyclohexyl phthalate (DCHP) and di (2-ethylhexyl) phthalate (DEHP) were the dominant congeners in ∑PAEs. Childhood exposure to PAEs through dust ingestion was four orders of magnitude higher than through inhalation, with a carcinogenic risk of 5.47 × 10−6 for DEHP exposure in household dust. Higher ∑PAEs concentrations were associated with higher temperature, double glazing, wall paint usage, television and computer use, and indoor plant growth. This multicenter on-site investigation confirmed PAE pollution characteristics and uncovered the inacceptable risk of daily DEHP exposure in household dust under real living conditions. Effective mitigation measures based on household-related information, residential characteristics, decoration materials, and lifestyle should be taken to build a healthy household environment.
期刊：
Applied Mathematics and Computation,2025年484:129018 ISSN：0096-3003
通讯作者：
Zihan Zhou
作者机构：
[Zihan Zhou] Faculty of Mathematics and Statistics, and Hubei Key Lab–Math. Sci., Central China Normal University, Wuhan 430079, China;Key Laboratory of Nonlinear Analysis & Applications (Ministry of Education), Central China Normal University, Wuhan 430079, China;[Shuchao Li] Faculty of Mathematics and Statistics, and Hubei Key Lab–Math. Sci., Central China Normal University, Wuhan 430079, China<&wdkj&>Key Laboratory of Nonlinear Analysis & Applications (Ministry of Education), Central China Normal University, Wuhan 430079, China
通讯机构：
[Zihan Zhou] F;Faculty of Mathematics and Statistics, and Hubei Key Lab–Math. Sci., Central China Normal University, Wuhan 430079, China
摘要：
Characterizing the graph having the maximum or minimum spectral radius in a given class of graphs is a classical problem in spectral extremal graph theory, originally proposed by Brualdi and Solheid. Given a graph G, a vertex subset S is called a maximum generalized 4-independent set of G if the induced subgraph G[S] dose not contain a 4-tree as its subgraph, and the subset S has maximum cardinality. The cardinality of a maximum generalized 4-independent set is called the generalized 4-independence number of G. In this paper, we firstly determine the connected graph (resp. bipartite graph, tree) having the largest spectral radius over all connected graphs (resp. bipartite graphs, trees) with fixed order and generalized 4-independence number, in addition, we establish a lower bound on the generalized 4-independence number of a tree with fixed order. Secondly, we describe the structure of all the n-vertex graphs having the minimum spectral radius with generalized 4-independence number ψ, where ψ⩾⌈3n/4⌉. Finally, we identify all the connected n-vertex graphs with generalized 4-independence number ψ∈{3,⌈3n/4⌉,n−1,n−2} having the minimum spectral radius.
期刊：
OPTICS AND LASER TECHNOLOGY,2025年181:111582 ISSN：0030-3992
通讯作者：
Hai Lin
作者机构：
[Zihao Yu; Hai Lin; Rui Zhou] College of physical science and technology, Central China Normal University, Wuhan 430079, China;[Yiting Wang] Tobacco Hubei Industrial LLC, WUHAN Cigarette Factory, Wuhan 430000, China
通讯机构：
[Hai Lin] C;College of physical science and technology, Central China Normal University, Wuhan 430079, China
摘要：
Terahertz sensors with high sensitivity are essential for accurately detecting substances in various fields such as medical research, diagnostics, security, and molecular analysis. Their effectiveness relies on detecting small index changes that indicate a target, requiring resonance with an extremely high Q factor. Notably, taking advantage of topological corner states with narrow spectral widths and constant eigenfrequencies is a powerful strategy to attain high Q values. Combining the topological edge modes of valley twist states and high-order corner states, we have designed a topological sensor composed of a topological cavity and topological waveguide. The proposed sensor possesses an ultra-high Q value of up to 1.02×105. The exceedingly narrow linewidth of the topological cavity allows it to detect even the slightest changes in the spectrum, resulting in a high sensitivity of up to 2.06THz/RIU and a notable Figure of Merit (FoM) standing at 3.86×104. Moreover, the sensor is robust to structural disorder and defects inherent in fabrication processes, ensuring reliable performance in practical applications in different environments and manufacturing conditions.
期刊：
Journal of Mathematical Analysis and Applications,2025年541(2):128726 ISSN：0022-247X
通讯作者：
Xiaolong Yang
作者机构：
[Chenchen Liu] School of Mathematics and Statistics, Central China Normal University, Wuhan 430079, China;[Xiaolong Yang] School of Mathematics and Statistics, Henan University, Kaifeng 475004, China
通讯机构：
[Xiaolong Yang] S;School of Mathematics and Statistics, Henan University, Kaifeng 475004, China
摘要：
We consider the existence of sign-changing solutions for the following nonlinear Choquard equation {−Δu=(Iα⁎|u|p)|u|p−2u+λu,x∈Ω,u∈H01(Ω), where N≥3,α∈(0,N),λ∈R, p∈(1,N+αN−2] and Ω⊂RN is a smooth bounded domain. Iα:RN→R is the Riesz potential. In critical case p=N+αN−2, if Ω is symmetric about the axis x1, we firstly develop the limit profiles for the symmetric Palais-Smale sequence by the concentration compactness principle. Then we conclude that the problem admits an odd solution with exactly two nodal domains for λ∈(0,λ1),N≥4andα∈(2,N). In contrast, the local Brezis-Nirenberg type problem −Δu=|u|4N−2u+λu,u∈H01(Ω) can not permit such type of odd symmetry solution.
摘要：
In a graph G, let rho(Delta)(G) denote the minimum size of a set of edges and triangles that cover all edges of G, and let alpha(1)(G) be the maximum size of an edge set that contains at most one edge from each triangle. Motivated by a question of Erdos, Gallai, and Tuza, we study the relationship between rho(Delta)(G) and alpha(1)(G) and establish a sharp upper bound on rho(Delta)(G). We also prove Nordhaus-Gaddum-type inequalities for the considered invariants. (c) 2024 The Author(s).
期刊：
Journal of Algebra,2025年661:123-159 ISSN：0021-8693
通讯作者：
Yuanyang Zhou
作者机构：
[Fuming Jiang; Yuanyang Zhou] School of Mathematics and Statistics, Central China Normal University, Wuhan, 430079, PR China
通讯机构：
[Yuanyang Zhou] S;School of Mathematics and Statistics, Central China Normal University, Wuhan, 430079, PR China
摘要：
We define inertial blocks of finite groups over arbitrary fields and prove that a block covered by an inertial block over a bigger field of characteristic p is still inertial if p is odd or if the inertial block has abelian defect groups. Combined with some known facts, this result implies that Broué's conjecture over arbitrary fields holds for many blocks, for example, blocks for p-solvable groups with abelian defect groups. Consequently, we partially prove Puig's finiteness conjecture for inertial blocks over fields with odd characteristic or with abelian defect groups.
期刊：
Journal of Mathematical Analysis and Applications,2025年543(2, Part 2):128937 ISSN：0022-247X
通讯作者：
Wei-Jie Wang
作者机构：
Hubei Key Laboratory of Mathematical Sciences, College of Mathematics and Statistics, Central China Normal University, Wuhan, Hubei 430079, China;Key Laboratory of Computing and Stochastic Mathematics (Ministry of Education), College of Mathematics and Statistics, Hunan Normal University, Changsha, Hunan 410081, China;[Wei-Jie Wang] Hubei Key Laboratory of Mathematical Sciences, College of Mathematics and Statistics, Central China Normal University, Wuhan, Hubei 430079, China<&wdkj&>Key Laboratory of Computing and Stochastic Mathematics (Ministry of Education), College of Mathematics and Statistics, Hunan Normal University, Changsha, Hunan 410081, China
通讯机构：
[Wei-Jie Wang] H;Hubei Key Laboratory of Mathematical Sciences, College of Mathematics and Statistics, Central China Normal University, Wuhan, Hubei 430079, China<&wdkj&>Key Laboratory of Computing and Stochastic Mathematics (Ministry of Education), College of Mathematics and Statistics, Hunan Normal University, Changsha, Hunan 410081, China
期刊：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY,2025年326:125248 ISSN：1386-1425
通讯作者：
Zheng, Chunyang
作者机构：
[Mao, Yiqing; Wang, Dunjia; Dong, Chuanzong; Sun, Xuancheng; Li, Meiyin] Hubei Key Laboratory of Pollutant Analysis and Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi 435002, PR China;[Meng, Xianggao] College of Chemistry, Central China Normal University, Wuhan 430079, PR China;[Zheng, Chunyang] Hubei Key Laboratory of Pollutant Analysis and Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi 435002, PR China. Electronic address: cyzheng@hbnu.edu.cn
通讯机构：
[Zheng, Chunyang] H;Hubei Key Laboratory of Pollutant Analysis and Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi 435002, PR China. Electronic address:
摘要：
Based on the mixed ligand strategy, two new isostructural Cd(II) coordination polymers: {[Cd(3)(tcpa)(2)(bima)(DMF)]‧3DMF} (CP 1), {[Cd(3)(tcpa)(2)(bmima)(DMF)]‧3DMF} (CP 2) were synthesized by combining two flexible anthracene-based and a triphenylamine-based ligands with large π-electron-rich structure using a solvothermal method (H(3)tcpa=tris(4-carboxyphenyl)amine; bima=9,10-bis(1H-imidazole-1-yl)methyl)anthracene and bmima=9,10-bis((2-methyl-1H-imidazol-1-yl)methyl)anthracene). CP 1 and CP 2 show an unreported new 3D (3,14)-c net structure with the {4(30)·6(48)·8(13)}{4(3)}(4) topology. Both CPs could detect Cr(2)O(7)(2-), Nitroaromatic explosives 2,4,6-Trinitrophenol (TNP) and 2,4-dinitrophenol (DNP) through rapid fluorescence quenching response with high quenching efficiency Ksv and low LOD with 0.19μM (Cr(2)O(7)(2-)), 0.54 μM (TNP), 0.76 μM (DNP) for CP 1 and 0.28μM (Cr(2)O(7)(2-)), 0.23μM (TNP), 0.65μM (DNP) for CP 2, respectively. In addition, the mechanism of quenching Cr(2)O(7)(2-), TNP and DNP by CPs is proposed through experimental research and theoretical simulation. The quenching of Cr(2)O(7)(2-) by CPs is mainly competitive absorption (CA), while the quenching of TNP/DNP is achieved through the coexistence of competitive absorption CA, photo induced electron transfer (PET) and fluorescence resonance energy transfer (FRET). Moreover, we have been developed a portable smartphone-assisted on-site detection platform, which can perform semi-quantitative analysis of Cr(2)O(7)(2-) acconding to fluorescence color changes. This work constructed a ratiometric sensing platform for quickly and conveniently detection of Cr(2)O(7)(2-), TNP and DNP pollutants.
作者机构：
[Heng Yang; Jie Guo; Lu Xue; Lili Wen; Shuxin Ouyang] Engineering Research Center of Photoenergy Utilization for Pollution Control and Carbon Reduction, Ministry of Education;College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China.;College of Chemistry and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, P. R. China.;[Yang Xia] Key Laboratory of Green Chemical Engineering Process of Ministry of Education, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan, 430072, P. R. China;[Sónia A.C. Carabineiro] LAQV-REQUIMTE, Department of Chemistry, NOVA School of Science and Technology, Universidade NOVA de Lisboa, 2829-516 Caparica, Portugal
通讯机构：
[Lili Wen] E;Engineering Research Center of Photoenergy Utilization for Pollution Control and Carbon Reduction, Ministry of Education;College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China.
期刊：
Journal of Functional Analysis,2025年288(1):110671 ISSN：0022-1236
通讯作者：
Xiaohua Yao
作者机构：
[Miao Chen] Department of Mathematics, Central China Normal University, Wuhan, 430079, China;[Ping Li] School of Informations and Mathematics, Yangtze University, Jingzhou 434000, China;[Avy Soffer] Mathematics Department, Rutgers University, New Brunswick, NJ, 08903, USA;[Xiaohua Yao] Department of Mathematics and Key Laboratory of Nonlinear Analysis and Applications (Ministry of Education), Central China Normal University, Wuhan, 430079, China
通讯机构：
[Xiaohua Yao] D;Department of Mathematics and Key Laboratory of Nonlinear Analysis and Applications (Ministry of Education), Central China Normal University, Wuhan, 430079, China
期刊：
Journal of Systems and Software,2025年219:112204 ISSN：0164-1212
通讯作者：
Peng Liang
作者机构：
[Xiyu Zhou; Peng Liang; Beiqi Zhang] School of Computer Science, Wuhan University, Wuhan, China;[Zengyang Li] School of Computer Science & Hubei Provincial Key Laboratory of Artificial Intelligence and Smart Learning, Central China Normal University, Wuhan, China;[Aakash Ahmad] School of Computing and Communications, Lancaster University Leipzig, Leipzig, Germany;[Mojtaba Shahin] School of Computing Technologies, RMIT University, Melbourne, Australia;[Muhammad Waseem] Faculty of Information Technology, University of Jyväskylä, Jyväskylä, Finland
通讯机构：
[Peng Liang] S;School of Computer Science, Wuhan University, Wuhan, China
作者：
Tingting Liu;Minghong Wang;Bing Yang*;Hai Liu;Shaoxin Yi
期刊：
Neurocomputing,2025年612:128711 ISSN：0925-2312
通讯作者：
Bing Yang
作者机构：
[Minghong Wang] Faculty of Education, The University of Hong Kong, 999077, Hong Kong;[Bing Yang] School of Education, Hubei University, Wuhan 430062, China;[Shaoxin Yi] National Engineering Research Center for E-Learning, Central China Normal University, Wuhan 430079, China;[Tingting Liu] Faculty of Education, The University of Hong Kong, 999077, Hong Kong<&wdkj&>School of Education, Hubei University, Wuhan 430062, China;[Hai Liu] School of Education, Hubei University, Wuhan 430062, China<&wdkj&>National Engineering Research Center for E-Learning, Central China Normal University, Wuhan 430079, China
通讯机构：
[Bing Yang] S;School of Education, Hubei University, Wuhan 430062, China
期刊：
Journal of Mathematical Analysis and Applications,2025年543(1):128833 ISSN：0022-247X
通讯作者：
Shuai Li
作者机构：
School of Mathematics and Physics, Wuhan Institute of Technology, Wuhan 430205, People's Republic of China;[Shuai Li] College of Informatics, Huazhong Agricultural University, Wuhan 430070, People's Republic of China;[Peiye Zhong] School of Mathematics and Statistics, Central China Normal University, Wuhan 430079, People's Republic of China;[Yongshuai Gao] School of Mathematics and Physics, Wuhan Institute of Technology, Wuhan 430205, People's Republic of China<&wdkj&>School of Mathematics and Statistics, Central China Normal University, Wuhan 430079, People's Republic of China
通讯机构：
[Shuai Li] C;College of Informatics, Huazhong Agricultural University, Wuhan 430070, People's Republic of China
期刊：
Journal of Molecular Structure,2025年1322:140376 ISSN：0022-2860
通讯作者：
Chunyang Zheng
作者机构：
[Meiyin Li; Chuanzong Dong; Yiqing Mao; Xuancheng Sun; Dunjia Wang; Chunyang Zheng] Hubei Key Laboratory of Pollutant Analysis and Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi 435002, PR China;[Xianggao Meng] College of Chemistry, Central China Normal University, Wuhan 430079, PR China
通讯机构：
[Chunyang Zheng] H;Hubei Key Laboratory of Pollutant Analysis and Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi 435002, PR China
作者：
Zhifeng Wang;Longlong Li;Chunyan Zeng*;Shi Dong;Jianwen Sun
期刊：
Expert Systems with Applications,2025年260:125392 ISSN：0957-4174
通讯作者：
Chunyan Zeng
作者机构：
[Zhifeng Wang; Longlong Li; Shi Dong; Jianwen Sun] Faculty of Artificial Intelligence in Education, Central China Normal University, Wuhan, 430079, China;[Chunyan Zeng] High-Efficiency Utilization of Solar Energy and Operation Control of Energy Storage System, Hubei University of Technology, Wuhan, 430068, China
通讯机构：
[Chunyan Zeng] H;High-Efficiency Utilization of Solar Energy and Operation Control of Energy Storage System, Hubei University of Technology, Wuhan, 430068, China
