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NON-EXISTENCE: 作品数：46被引量：35H指数：3; 导出分析报告; 相关作者：陆启韶杨作东更多>>; 相关机构：北京航空航天大学更多>>; 相关期刊：《Applied Mathematics and Mechanics(English Edition)》《Analysis in Theory and Applications》《材料科学与工程（中英文A版）》《Journal of Modern Physics》更多>>; 相关基金：国家自然科学基金国家重点实验室开放基金国家重点基础研究发展计划更多>>

Non-Existence of Entire Solution of a Type of System of Equations被引量：1: 《Journal of Mathematical Research with Applications》2024年第2期213-224,共12页Zhiwei ZHOU Ying ZHANG Zhigang HUANG; Supported by the National Natural Science Foundation of China(Grant No.11971344).; In this paper,we will prove that the system of differential-difference equations{((f(z)f′(z))^(n)+p^(2)_(1)(z)g m(z+η)=Q1(z),(g(z)g′(z))^(n)+p^(2)_(2)(z)f m(z+η)=Q_(2)(z),has no transcendental entire solution(f(z)...; 关键词：transcendental entire function finite order system of differential-difference equations

Non-existence of Multi-peak Solutions to the Schrödinger-Newton System with L2-constraint: 《Acta Mathematicae Applicatae Sinica》2023年第4期868-877,共10页Qing GUO Li-xiu DUAN; supported by the National Natural Science Foundation of China(No.11771469);Qing Guo is supported by National Natural Science Foundation of China(No.11771469)。; In this paper, we are concerned with the the Schrödinger-Newton system with L^(2)-constraint. Precisely, we prove that there cannot exist multi-peak normalized solutions concentrating at k different critical points of...; 关键词：Schrödinger-Newton equation NON-EXISTENCE Multi-peak solutions Normalized solutions Pohozaev identity

Non-Existence of One-Byte Active Impossible Differentials for 5-Round AES in the Master-Key Setting: 《Journal of Systems Science & Complexity》2023年第3期1336-1350,共15页YAN Xueping TAN Lin QI Wenfeng; supported by the National Cryptography Development Fund of China under Grant Nos.MMJJ20170103 and MMJJ20180204.; Impossible differential cryptanalysis is an important approach to evaluate the security of block ciphers. In EUROCRYPT 2016, Sun, et al. proved that there exists no impossible differential longer than four rounds for ...; 关键词：AES impossible differential key schedule master-key setting

Construction of Non-Symmetric Balanced Incomplete Block Design through Combination of Symmetric Disjoint Balanced Incomplete Block Designs: 《Open Journal of Statistics》2023年第6期789-802,共14页Troon John Benedict Onyango Fredrick Karanjah Anthony Njuguna Edward; The existence of several non-symmetric balanced incomplete block designs (BIBDs) is still unknown. This is because the non-existence property for non-symmetric BIBDs is still not known and also the existing constructi...; 关键词：Disjoint Symmetric BIBD Un-Reduced BIBD COMBINATION Symmetric BIBD Non-Symmetric BIBD Non-Existence of BIBD

Evidence for Non-existence of Oscillations in Photofield Emission Current in Gallium Arsenide: 《材料科学与工程（中英文A版）》2022年第3期94-96,共3页R.K.Thapa Nikita Chhetri; We have shown here the results of PFEC(photofield emission current)calculated for GaAs(gallium arsenide).We have used the initial state wavefunctions derived using the Kronig-Penney potential model for evaluating the ...; 关键词：Photofield emission matrix element Kronig-Penney potential model density of state.

Existence and Non-Existence of Solutions to Some Degenerate Coercivity Quasilinear Elliptic Equations with Measure Data: 《Journal of Mathematical Research with Applications》2022年第2期173-188,共16页Maoji RI Xiangrui LI Qiaoyu TIAN Shuibo HUANG; Supported by the National Natural Science Foundation of China(Grant No.11761059);Program for Yong Talent of State Ethnic Affairs Commission of China(Grant No.XBMU-2019-AB-34);Fundamental Research Funds for the Central Universities(Grant No.31920200036);Innovation Team Project of Northwest Minzu University(Grant No.1110130131);First-rate Discipline of Northwest Minzu University(Grant No.2019XJYLZY-02)。; In this article,we study the existence and non-existence of weak solutions to the following quasilinear elliptic problem with principal part having degenerate coercivity and nonlinear term involving gradie,{-div(|∇u|p...; 关键词：elliptic equation degenerate coercivity measures data EXISTENCE NON-EXISTENCE

THE EXISTENCE AND NON-EXISTENCE OF SIGN-CHANGING SOLUTIONS TO BI-HARMONIC EQUATIONS WITH A p-LAPLACIAN被引量：1: 《Acta Mathematica Scientia》2022年第2期551-560,共10页Wenqing WANG Anmin MAO; supported by NSFC(11931012,11871387,11471187)。; We investigate the bi-harmonic problem{Δ^(2)u-α▽·(f(▽u))-βΔ_(p)u=g(x,u) in Ω,δu/δn=0,δ(Δu)/δn=0 on δΩ,where Δ^(2)u=Δ(Δu),Δ_(p)u=div(|▽u|^(p-2)▽u)with p>2.Ω is a bounded smooth domain in R^(N),N≥...; 关键词：Bi-harmonic sign-changing solution Fountain theorem

The Existence and Non-Existence of Positive Steady State Solutions for a Cross-Diffusion Predator-Prey Model with Holling Type Ⅱ Functional Response: 《Journal of Mathematical Research with Applications》2021年第4期383-392,共10页Shuping CAO Li-na ZHANG; Supported by the National Natural Science Foundation of China(Grant No.11761063).; In this paper,we consider the positive steady state solutions of a predator-prey model with Holling type Ⅱfunctional response and cross-diffusion,where two cross-diffusion rates represent the tendency of prey to keep...; 关键词：predator-prey model Holling typeⅡfunctional response CROSS-DIFFUSION coexistence states

Wave propagation of a discrete SIR epidemic model with a saturated incidence rate: 《International Journal of Biomathematics》2019年第3期109-126,共18页Qiu Zhang Shi-Liang Wu; This paper is concerned with the traveling wave solutions for a discrete SIR epidemic model with a saturated incidence rate. We show that the existence and non-existence of the traveling wave solutions are determined ...; 关键词：LATTICE dynamic system TRAVELING wave solution EXISTENCE NON-EXISTENCE

POSITIVE SOLUTIONS FOR A WEIGHTED FRACTIONAL SYSTEM被引量：1: 《Acta Mathematica Scientia》2018年第3期935-949,共15页Pengyan WANG Yongzhong WANG Department of Applied Mathematics Northwestern Polytechnical University; Supported by National Natural Science Foundation of China(11771354); In this article, we study positive solutions to the system{Aαu（x） = Cn,αPV∫Rn（a1（x-y）（u（x）-u（y）））/（｜x-y｜n＋α）dy = f（u（x）, Bβv（x） = Cn,βPV ∫Rn（a2（x-y）（v（x）-v（y））/（｜x-y｜n＋β）dy ...; 关键词：Weighted fractional system positive solution radial symmetry MONOTONICITY NON-EXISTENCE

NON-EXISTENCE