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UNBOUNDED: 作品数：147被引量：129H指数：5; 导出分析报告; 相关领域：理学更多>>; 相关作者：郭庆义何丹华蒲志林阳清华司徒荣更多>>; 相关机构：湖南大学四川师范大学四川大学四川民族学院更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金广东省自然科学基金国家重点基础研究发展计划国家教育部博士点基金更多>>

VERBATIM: 《China Weekly》2025年第2期9-9,共1页; “It is a natural tendency for institutions to expand their powers and shift responsibility upward,downward or laterally.If local govemments'powers are unbounded,maintaining fiscal discipline and addressing both expli...; 关键词：POWERS DOWNWARD UNBOUNDED

A Degenerate KAM Theorem for Partial Differential Equations with Unbounded Perturbations: 《Acta Mathematica Sinica,English Series》2024年第11期2719-2734,共16页Mei Na GAO Jian Jun LIU; supported by NNSFC(Grant No.11971299);supported by NNSFC(Grant Nos.12090010,12090013)。; In this paper,an infinite dimensional KAM theorem with unbounded perturbations and double normal frequencies is established under qualitative non-degenerate conditions.This is an extension of the degenerate KAM theore...; 关键词：KAM theorem derivative nonlinear Schrödinger equation quasi-periodic solutions

THE NYSTROM METHOD FOR ELASTIC WAVE SCATTERINGBY UNBOUNDED ROUGH SURFACES: 《Journal of Computational Mathematics》2024年第5期1407-1426,共20页Jianliang Li Xiaoli Liu Bo Zhang Haiwen Zhang; supported by the National Key R&D Program of China(Grant 2018YFA0702502);the Beijing Natural Science Foundation(Grant Z210001);the NNSF of China(Grants 12171057,12271515,12201023);the Youth Innovation Promotion Association CAS,by the Education Department of Hunan Province(Grant 21B0299);the Fundamental Research Funds for the Central Universities(Grant YWF-23-Q-1026,YWF-22-T-204)。; We consider a numerical algorithm for the two-dimensional time-harmonic elastic wave scattering by unbounded rough surfaces with Dirichlet boundary condition.A Nystr¨om method is proposed for the scattering problem b...; 关键词：Elastic wave scattering Unbounded rough surface Nystrom method

Stationary Almost Markov ε-Equilibria for Discounted Stochastic Games with Borel Spaces and Unbounded Payoffs: 《Journal of Systems Science & Complexity》2024年第4期1672-1684,共13页WU Yiting ZHANG Junyu HUANG Song; supported by the National Key Research and Development Program of China under Grant No.2022YFA1004600;the National Natural Science Foundation of China under Grant No.11931018;the Guangdong Basic and Applied Basic Research Foundation under Grant No.2021A1515010057;the Guangdong Province Key Laboratory of Computational Science at the Sun Yat-sen University under Grant No.2020B1212060032。; This paper is concerned with nonzero-sum discrete-time stochastic games in Borel state and action spaces under the expected discounted payoff criterion.The payoff function can be unbounded.The transition probability i...; 关键词：Almost Markovε-equilibrium Borel state space expected discounted payoff criterion nonzero-sum stochastic games unbounded payoffs

Markovian Quadratic BSDEs with an Unbounded Sub-quadratic Growth: 《Chinese Annals of Mathematics,Series B》2024年第3期441-462,共22页Jingnan JU Shanjian TANG; supported by the National Natural Science Foundation of China(Nos.11631004,12031009).; This paper is devoted to the solvability of Markovian quadratic backward stochastic differential equations(BSDEs for short)with bounded terminal conditions.The generator is allowed to have an unbounded sub-quadratic g...; 关键词：Markovian BSDE Quadratic growth Unbounded sub-quadratic term coeficients Coupled FBSDE

An Unbounded Fully Homomorphic Encryption Scheme Based on Ideal Lattices and Chinese Remainder Theorem: 《Journal of Information Security》2023年第4期366-395,共30页Zhiyong Zheng Fengxia Liu Kun Tian; We propose an unbounded fully homomorphic encryption scheme, i.e. a scheme that allows one to compute on encrypted data for any desired functions without needing to decrypt the data or knowing the decryption keys. Thi...; 关键词：Fully Homomorphic Encryption Ideal Lattices Chinese Remainder Theorem General Compact Knapsacks Problem

Global exponential p-norm stability of BAM neural networks with unbounded time-varying delays:A method based on the representation of solutions: 《International Journal of Biomathematics》2023年第5期71-86,共16页Xi Chen Tingting Yu Xian Zhang; supported in part by the Natural Science Foundation of Heilongjiang Province (No.YQ2021F014);the Fundamental Research Funds for the provincial universities of Heilongjiang Province (No.2020-KYYWF-1040)。; This paper studies the global exponential p-norm stability of bidirectional associative memory(BAM)neural networks with unbounded time-varying delays.A novel method based on the representation of solutions is put forw...; 关键词：BAM neural networks global exponential p-norm stability unbounded timevarying delays representation of solutions

A Fast Cartesian Grid-Based Integral Equation Method for Unbounded Interface Problems with Non-Homogeneous Source Terms: 《Communications in Computational Physics》2023年第6期208-234,共27页Jiahe Yang Wenjun Ying; supported by the National Key R&D Program of China(Project No.2020YFA0712000);supported by the Shanghai Science and Technology Innovation Action Plan in Basic Research Area(Project No.22JC1401700);the Strategic Priority Research Program of Chinese Academy of Sciences(Grant No.XDA25010405);the National Natural Science Foundation of China(Grant No.DMS-11771290).; This work presents a fast Cartesian grid-based integral equation method for unbounded interface problems with non-homogeneous source terms.The unbounded interface problem is solved with boundary integral equation meth...; 关键词：Interface problem unbounded domain boundary integral equation kernel-free method auxiliary circle Cartesian grid method fast algorithm

Existence and Asymptotic Behavior of Ground State Solutions for Quasilinear Schr?dinger Equations with Unbounded Potential: 《Chinese Annals of Mathematics,Series B》2023年第3期345-360,共16页Yanfang XUE Xiaojing ZHONG Chunlei TANG; supported by the National Natural Science Foundation of China(Nos.11971393,11901499,11801465);Nanhu Scholar Program for Young Scholars of XYNU(No.201912)。; The authors study the existence of standing wave solutions for the quasilinear Schr?dinger equation with the critical exponent and singular coefficients.By applying the mountain pass theorem and the concentration comp...; 关键词：Quasilinear Schrödinger equation Ground state Critical Hardy-Sobolev exponents Coercive

The Representation Type of Repetitive Algebras over the Real Number Field: 《Algebra Colloquium》2023年第2期305-314,共10页Mengdie Zhang Chao Zhang; supported by the National Natural Science Foundation of China(Grant No.11961007);Science Technology Foundation of Guizhou Province(Grant Nos.[2018]1021,[2020]1Y405).; Let A be a finite-dimensional algebra over the real number field.We prove that the repetitive algebra A admits the dichotomy property of representation type,i.e.,A is either of discrete representation type or of stron...; 关键词：C-dichotomic algebra derived-discrete algebra finite separable extension strongly unbounded type

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