云南高校图书馆联盟文献共享服务平台- LAX

LAX: 作品数：231被引量：205H指数：7; 导出分析报告; 相关领域：理学更多>>; 相关作者：张思远梁宏斌杨战营胡劲松刘典型更多>>; 相关机构：西北大学郑州大学中国科学院四川大学更多>>; 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国家教育部博士点基金中国博士后科学基金更多>>

A combined Liouville integrable hierarchy associated with a fourth-order matrix spectral problem被引量：1: 《Communications in Theoretical Physics》2024年第7期1-8,共8页Wen-Xiu Ma; supported in part by NSFC under Grants 12271488, 11975145 and 11972291;the Ministry of Science and Technology of China (G2021016032L and G2023016011L);the Natural Science Foundation for Colleges and Universities in Jiangsu Province (17 KJB 110020); This paper aims to propose a fourth-order matrix spectral problem involving four potentials and generate an associated Liouville integrable hierarchy via the zero curvature formulation.A bi-Hamiltonian formulation is ...; 关键词：INTEGRABLE hierarchy HAMILTONIAN structure zero curvature equation LAX pair MATRIX spectral problem

Global Solutions to Nonconvex Problems by Evolution of Hamilton-Jacobi PDEs: 《Communications on Applied Mathematics and Computation》2024年第2期790-810,共21页Howard Heaton Samy Wu Fung Stanley Osher; partially funded by AFOSR MURI FA9550-18-502,ONR N00014-18-1-2527,N00014-18-20-1-2093,N00014-20-1-2787;supported by the NSF Graduate Research Fellowship under Grant No.DGE-1650604.; Computing tasks may often be posed as optimization problems.The objective functions for real-world scenarios are often nonconvex and/or nondifferentiable.State-of-the-art methods for solving these problems typically o...; 关键词：Global optimization Moreau envelope HAMILTON-JACOBI Hopf-Lax-Cole-Hopf Proximals Zero-order optimization

Lax-Oleinik-Type Formulas and Efficient Algorithms for Certain High-Dimensional Optimal Control Problems: 《Communications on Applied Mathematics and Computation》2024年第2期1428-1471,共44页Paula Chen Jerome Darbon Tingwei Meng; supported by the DOE-MMICS SEA-CROGS DE-SC0023191 and the AFOSR MURI FA9550-20-1-0358;supported by the SMART Scholarship,which is funded by the USD/R&E(The Under Secretary of Defense-Research and Engineering),National Defense Education Program(NDEP)/BA-1,Basic Research.; Two of the main challenges in optimal control are solving problems with state-dependent running costs and developing efficient numerical solvers that are computationally tractable in high dimensions.In this paper,we p...; 关键词：Optimal control Hamilton-Jacobi partial differential equations Grid-free numerical methods High dimensions Field-programmable gate arrays(FPGAs)

LAX倾力参与成都第31届世界大学生夏季运动会开幕式: 《演艺科技》2023年第3期110-110,共1页无; 7月28日晚,第31届世界大学生夏季运动会在“天府之国”成都体育公园盛大开幕。成都大运会是中国内地第三次举办世界大学生夏季运动会,也是中国西部首次举办世界性综合运动会。本届大运会开幕式遵循“简约、安全、精彩”办赛要求,总导演...; 关键词：运动会开幕式大运会文艺汇演综合运动会夏季运动会体育公园古蜀文明大学生

Lax Facial Skin Treated with High-Intensity Focused Ultrasound Devices: Efficacy and Safety Evaluations: 《Journal of Cosmetics, Dermatological Sciences and Applications》2023年第3期1455-1472,共9页Meng Wu Huan Chen; Background: High-intensity focused ultrasound (HIFU) has been introduced to improve skin laxity in recent years. However, very few studies have evaluated the safety and effectiveness of HIFU in Chinese populations. Me...; 关键词：High-Intensity Focused Ultrasound Bolida System TREATMENT EFFICACY SAFETY

Higher-dimensional integrable deformations of the modified KdV equation被引量：1: 《Communications in Theoretical Physics》2023年第7期15-21,共7页Xiazhi Hao S Y Lou; sponsored by the National Natural Science Foundations of China(Nos.12235007,11975131,11435005,12275144,11975204);KC Wong Magna Fund in Ningbo University;Natural Science Foundation of Zhejiang Province No.LQ20A010009。; The derivation of nonlinear integrable evolution partial differential equations in higher dimensions has always been the holy grail in the field of integrability.The well-known modified Kd V equation is a prototypical...; 关键词：higher-dimensional integrable equation conservation form deformation mapping Lax integrability symmetry integrability

Searching For(2+1)-dimensional nonlinear Boussinesq equation from(1+1)-dimensional nonlinear Boussinesq equation被引量：1: 《Communications in Theoretical Physics》2023年第7期58-61,共4页Man Jia S Y Lou; support of the National Natural Science Foundation of China(Nos.12275144,12235007 and 11975131);the K C Wong Magna Fund at Ningbo University。; A novel(2+1)-dimensional nonlinear Boussinesq equation is derived from a(1+1)-dimensional Boussinesq equation in nonlinear Schr?dinger type based on a deformation algorithm.The integrability of the obtained(2+1)-dimen...; 关键词：(2+1)-dimensional Boussinesq equation deformation algorithm lax integrable an implicit travelling wave solution

Some New Systems of Exponentially General Equations: 《Advances in Linear Algebra & Matrix Theory》2022年第3期67-86,共20页Muhammad Aslam Noor Khalida Inayat Noor; Some new systems of exponentially general equations are introduced and investigated, which can be used to study the odd-order, non-positive and nonsymmetric exponentially boundary value problems. Some important and in...; 关键词：General Equations Lax-Milgram Lemma Auxiliary Principle Iterative Method Convergence

自身场磁等离子体推力器数值仿真流场特性分析: 《飞控与探测》2022年第4期12-20,共9页操乐晖吴鹏罗梓浩任军学汤海滨; 国防基础科研计划(JCKY2020601C026)。; 磁等离子体推力器以其推力大、比冲高等特点,成为未来深空探测和星际航行任务首选的电推力器类型。研究推力器内部等离子体流场特性,有利于解释推力器出现的物理现象。针对特定自身场磁等离子体推力器,建立磁流体模型,使用TVD Lax-Fried...; 关键词：自身场磁等离子体推力器 TVD Lax-Friedrich格式数值仿真流场特性

Comparative catalytic study on butene/isobutane alkylation over LaX and CeX zeolites: The influence of calcination atmosphere被引量：4: 《Chinese Journal of Chemical Engineering》2022年第6期173-183,共11页Zhiqiang Yang Ruirui Zhang Honghua Zhang Hongguo Tang Ruixia Liu Suojiang Zhang; This work was supported by the National Key Research and Development Program of China(2017YFA0206803);the National Natural Science Foundation of China(21878315);the Key Programs of the Chinese Academy of Sciences(KFZD-SW-413);the Key Programs of Innovation Academy for Green Manufacture,CAS(IAGM2020C17);K.C.Wong Education Foundation(No.GJTD-2018-04);the Major Program of National Natural Science Foundation of China(21890762).; Lanthanum-containing(LaX)and cerium-containing X zeolites(CeX)were prepared by a doubleexchange,double-calcination method.By changing the calcination atmospheres between nitrogen and air,the Ce^(IV) contents in CeX ze...; 关键词：CeX zeolite Calcination atmosphere Isobutane alkylation Brønsted acid Hydride transfer

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