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检索条件"作者=zhang, xuwen"
997 条 记 录,以下是1-10 订阅
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A boundary maximum principle for stationary pairs of varifolds with fixed contact angle
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PROCEEDINGS OF THE EDINBURGH MATHEMATICAL SOCIETY 2024年 第2期67卷 316-335页
作者: zhang, xuwen Xiamen Univ Sch Math Sci Xiamen Peoples R China Goethe Univ Inst Math Frankfurt Germany
In this note, we establish a boundary maximum principle for a class of stationary pairs of varifolds satisfying a fixed contact angle condition in any compact Riemannian manifold with smooth boundary.
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Stability of the Wulff shape with respect to anisotropic curvature functionals
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JOURNAL OF FUNCTIONAL ANALYSIS 2025年 第3期288卷
作者: Scheuer, Julian zhang, xuwen Goethe Univ Inst Math Robert Mayer Str 10 D-60325 Frankfurt Germany Univ Freiburg Math Inst Ernst Zermelo Str 1 D-79104 Freiburg Germany
For a function f which foliates a one-sided neighborhood of a closed hypersurface M, we give an estimate of the distance of M to a Wulff shape in terms of the Lp-norm of the traceless F-Hessian of f, where F is the su... 详细信息
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Experimental and numerical investigation on the tensile behaviour of rocks using the Brazilian disc method
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JOURNAL OF APPLIED GEOPHYSICS 2025年 233卷
作者: Chen, Yulong zhang, xuwen Yuan, Honghui zhang, Junwen China Coal Res Inst Beijing 100013 Peoples R China China Univ Min & Technol Beijing Beijing 100083 Peoples R China
Characterizing engineering properties of rock especially associated with tension is crucial for stability assessment of rock structures. This study integrates physical and numerical experiments to investigate the elec... 详细信息
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A CHARACTERIZATION OF CAPILLARY SPHERICAL CAPS BY A PARTIALLY OVERDETERMINED PROBLEM IN A HALF BALL
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PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY 2025年 第1期153卷 161-170页
作者: Jia, Xiaohan Lu, Zheng Xia, Chao zhang, xuwen Southeast Univ Sch Math Nanjing 211189 Peoples R China Xiamen Univ Sch Math Sci Xiamen 361005 Peoples R China Albert Ludwigs Univ Freiburg Math Inst D-79104 Freiburg Germany Goethe Univ Inst Math D-60325 Frankfurt Germany Univ Freiburg Math Inst Ernst Zermelo Str1 D-79104 Freiburg Germany
In this paper, we study a Serrin-type partially overdetermined problem proposed by Guo-Xia [Calc. Var. Partial Differential Equations (2019), Paper No. 160, 15], and prove a rigidity result that characterizes capillar... 详细信息
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Willmore-type inequality in unbounded convex sets
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JOURNAL OF THE LONDON MATHEMATICAL SOCIETY-SECOND SERIES 2025年 第3期111卷
作者: Jia, Xiaohan Wang, Guofang Xia, Chao zhang, xuwen Southeast Univ Sch Math Nanjing Peoples R China Univ Freiburg Math Inst Ernst Zermelo Str1 D-79104 Freiburg Germany Xiamen Univ Sch Math Sci Xiamen Peoples R China
In this paper, we prove the following Willmore-type inequality: on an unbounded closed convex set K subset of Rn+1$K\subset \mathbb {R}{n+1}$ (n >= 2$(n\geqslant 2$), for any embedded hypersurface Sigma subset of K...
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Direct Arylation Polycondensation of Thiophene-Based C−H Monomers
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Chinese Journal of Chemistry 2023年 第21期41卷 2908-2924页
作者: xuwen zhang Yibo Shi Yunfeng Deng Yanhou Geng School of Materials Science and Engineering and Tianjin Key Laboratory of Molecular Optoelectronic Science Tianjin Universityand Collaborative Innovation Center of Chemical Science and Engineering(Tianjin)Tianjin300072 China Joint School of National University of Singapore and Tianjin University International Campus of Tianjin UniversityBinhai New CityFuzhouFujian350207 China
Direct arylation polycondensation(DArP)has emerged as an eco-friendly and atom-efficient methodology for the syntheses ofπ-conjugated polymers(CPs).This approach features the direct C—H arylation of an aromatic hydr... 详细信息
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Rigidity and quantitative stability for partially overdetermined problems and capillary CMC hypersurfaces
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CALCULUS OF VARIATIONS AND PARTIAL DIFFERENTIAL EQUATIONS 2024年 第5期63卷 125-125页
作者: Jia, Xiaohan Lu, Zheng Xia, Chao zhang, xuwen Southeast Univ Sch Math Nanjing 211189 Peoples R China Xiamen Univ Sch Math Sci Xiamen 361005 Peoples R China Albert Ludwigs Univ Freiburg Math Inst D-79104 Freiburg Im Breisgau Germany Goethe Univ Inst Math D-60325 Frankfurt Germany
In this paper, we first prove a rigidity result for a Serrin-type partially overdetermined problem in the half-space, which gives a characterization of capillary spherical caps by the overdetermined problem. In the se... 详细信息
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Energy Driving-Damage Degradation-Structural Failure Mechanism of Layered Sandstones Under Uniaxial Conditions
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ROCK MECHANICS AND ROCK ENGINEERING 2025年 第3期58卷 3815-3853页
作者: Song, Zhixiang zhang, Junwen Wu, Shaokang Zhao, Shankun zhang, Yang Dong, Xukai zhang, xuwen Wang, Sihe China Univ Min & Technol Beijing Sch Energy & Min Engn Beijing 100083 Peoples R China China Coal Res Inst Mine Safety Technol Branch Beijing 100013 Peoples R China
It is of great theoretical significance to effectively reveal the energy driving-damage degradation-structural failure mechanism of rocks for the probability evaluation and prevention of rock burst in deep coal mines.... 详细信息
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Heintze-Karcher Inequality for Anisotropic Free Boundary Hypersurfaces in Convex Domains
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数学研究(英文) 2024年 第3期57卷 243-258页
作者: Xiaohan Jia Guofang Wang Chao Xia xuwen zhang School of Mathematics Southeast UniversityNanjing 211189China Mathematisches Institut Universität FreiburgErnst-Zermelo-Str.1Freiburg 79104Germany School of Mathematical Science Xiamen UniversityXiamen 361005China
In this paper,we prove an optimal Heintze-Karcher-type inequality for ani-sotropic free boundary hypersurfaces in general convex *** equality is achieved for anisotropic free boundary Wulff shapes in a convex *** appl... 详细信息
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Alexandrov's Theorem for Anisotropic Capillary Hypersurfaces in the Half-Space
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ARCHIVE FOR RATIONAL MECHANICS AND ANALYSIS 2023年 第2期247卷 1-19页
作者: Jia, Xiaohan Wang, Guofang Xia, Chao zhang, xuwen Xiamen Univ Sch Math Sci Xiamen 361005 Peoples R China Univ Freiburg Math Inst Ernst Zermelo Str 1 D-79104 Freiburg Germany
In this paper, we show that any embedded capillary hypersurface in the half-space with anisotropic constant mean curvature is a truncated Wulff shape. This extends Wente's result (Pac J Math 88:387-397, 1980. ) to...
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