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NONEXISTENCE: 作品数：85被引量：47H指数：3; 导出分析报告; 相关领域：理学更多>>; 相关作者：彭名书康艳梅更多>>; 相关机构：西安交通大学北京理工大学更多>>; 相关期刊：《Journal of Mathematical Research with Applications》《Science China Mathematics》《Journal of Computational Mathematics》《Journal of Partial Differential Equations》更多>>; 相关基金：国家自然科学基金中国博士后科学基金北京市自然科学基金国家重点基础研究发展计划更多>>

Nonexistence of Majorana fermions in Kerr-Newman type spacetimes with nontrivial charge: 《Chinese Physics C》2024年第11期156-161,共6页He-Qun Zhang Xiao Zhang; Supported by the National Natural Science Foundation of China (12326602)。; We show that the Dirac equation is separated into four differential equations for time-periodic Majorana fermions in Kerr-Newman and Kerr-Newman-(A)dS spacetimes.Although they cannot be transformed into radial and ang...; 关键词：Dirac equation Majorana fermion Kerr-Newman-type spacetime

Nonexistence of quantum black and white hole horizons in an improved dynamic approach: 《Science China(Physics,Mechanics & Astronomy)》2024年第8期56-73,共18页Wen-Cong Gan Xiao-Mei Kuang Zhen-Hao Yang Yungui Gong Anzhong Wang Bin Wang; supported by Baylor University through the Baylor Physics graduate program;supported by the Initial Research Foundation of Jiangxi Normal University(Grant No.12022827);partially supported by the National Key Research and Development Program of China(Grant No.2020YFC2201504);the National Natural Science Foundation of China(Grant Nos.11975203,12075202,and 11875136);the Natural Science Foundation of Jiangsu Province(Grant No.BK20211601);partially supported by the National Science Foundation(Grant No.PHY2308845)。; In this paper,we study the quantum geometric effects near the locations where classical black hole horizons used to appear in Einstein's classical theory,within the framework of an improved dynamic approach,in which t...; 关键词：canonical quantization loop quantum gravity quantum aspects of black holes

SUFFICIENT AND NECESSARY CONDITIONS ON THE EXISTENCE AND ESTIMATES OF BOUNDARY BLOW-UP SOLUTIONS FOR SINGULAR p-LAPLACIAN EQUATIONS: 《Acta Mathematica Scientia》2023年第3期1175-1194,共20页张学梅阚士坤; supported by the Beijing Natural Science Foundation(1212003)。; Let?denote a smooth,bounded domain in R^(N)(N≥2).Suppose that g is a nondecreasing C^(1)positive function and assume that b(x)is continuous and nonnegative inΩ,and that it may be singular on■Ω.In this paper,we pro...; 关键词：singular p-Laplacian equation boundary blow-up sub-supersolution method EXISTENCE nonexistence and estimates sufficient and necessary conditions

A Nonexistence Result for Choquard-Type Hamiltonian System: 《Journal of Applied Mathematics and Physics》2023年第3期608-617,共10页Zexi Wang; In this article, we establish a nonexistence result of nontrivial non-negative solutions for the following Choquard-type Hamiltonian system by the Pohožaev identity , when , , , , , and , where and denotes the convolu...; 关键词：NONEXISTENCE Choquard-Type Hamiltonian System Pohožaev Identity

A Class of Singular Coupled Systems of Superlinear Monge-Ampère Equations被引量：1: 《Acta Mathematicae Applicatae Sinica》2022年第4期925-942,共18页Mei-qiang FENG; supported by Beijing Natural Science Foundation under Grant No.1212003;the Promoting the Classified Development of Colleges and Universities-application and Cultivation of Scientific Research Awards of BISTU under Grant No.2021JLPY408。; In this paper,we analyze the existence,multiplicity and nonexistence of nontrivial radial convex solutions to the following system coupled by singular Monge-Ampère equations{det D^(2)u_(1)=λh_(1)f_(1)(-u_(2))inΩ,de...; 关键词：Two coupled Monge-Ampère equations Combined N-superlinear growth at∞ Singular weight functions EXISTENCE multiplicity and nonexistence Asymptotic behavior

Doubly Nonlinear Degenerate Parabolic Equations with a Singular Potential for Greiner Vector Fields被引量：1: 《Journal of Partial Differential Equations》2022年第4期307-319,共13页HAN Junqiang; support from Nature Science Fund of China(No.11771354).; The purpose of this paper is to investigate the nonexistence of positive so lutions of the following doubly nonlinear degenerate parabolic equations:{∂u=▽k·(u^(m-1)|▽ku|^(p-2)▽ku)+(w)u^(m+p-2),u(w,0)=u0(w)≥0,u(w,...; 关键词：Doubly nonlinear degenerate parabolic equations Greiner vector fields positive solutions NONEXISTENCE Hardy inequality

Nonexistence of the Quasi-harmonic Spheres and Harmonic Spheres into Certain Manifold: 《Acta Mathematica Sinica,English Series》2022年第7期1271-1276,共6页Yao Ting GUI; Supported by NSFC(Grant No.11721101)。; We mainly study the nonexistence of quasi-harmonic spheres and harmonic spheres into spheres of any dimension which omits a neighbourhood of totally geodesic submanifold of co-dimension 2.We will show that such target...; 关键词：Nonexistence of harmonic spheres nonexistence of quasi-harmonic spheres warped product structure

On the Nonexistence of Partial Difference Sets by Projections to Finite Fields: 《Communications in Mathematical Research》2022年第2期123-135,共13页Yue Zhou; This work is partially supported by Natural Science Foundation of Hunan Province(No.2019JJ30030);Training Program for Excellent Young Innovators of Changsha(No.kql905052).; In the study of(partial)difference sets and their generalizations in groups G,the most widely used method is to translate their definition into an equation over group ring Z[G]and to investigate this equation by apply...; 关键词：Partial difference set strongly regular graph finite field

Symmetry and monotonicity of positive solutions to Schr?dinger systems with fractional p-Laplacians: 《Applied Mathematics(A Journal of Chinese Universities)》2022年第1期52-72,共21页MA Ling-wei ZHANG Zhen-qiu; Supported by the National Natural Science Foundation of China(12101452,12071229,11771218)。; In this paper,we first establish narrow region principle and decay at infinity theorems to extend the direct method of moving planes for general fractional p-Laplacian systems.By virtue of this method,we investigate t...; 关键词：fractional p-Laplacian Schr?dinger systems direct method of moving planes radial symmetry MONOTONICITY NONEXISTENCE

The Nonexistence of the Solutions for the Non-Newtonian Filtration Equation with Absorption: 《Journal of Partial Differential Equations》2021年第4期369-378,共10页OU Qitong; supported by Natural Science Foundation of Fujian province in China(No:2019J01858).; The paper proves the nonexistence of the solution for the following Cauchy problem{ut=div(|■u^m|(p-2■u^(m)))^-λu^(q),u(x,0)=δ(x),(x,t)∈S_(T)=R^(N)×(0,T),x∈R^(N),under some conditions on m,p,q,λ,whereδis Dirac...; 关键词：Non-Newtonian filtration equation Cauchy problem NONEXISTENCE

NONEXISTENCE