DEGENERACY

作品数：88被引量：80H指数：4
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Controllability of Nonlinear Discrete Systems with Degeneracy
《Acta Mathematicae Applicatae Sinica》2023年第2期293-305,共13页Yue LYU Xue-li TAN Xue YANG Yong LI 
supported by National Natural Science Foundation of China (grant No.41874132);supported by National Natural Science Foundation of China (grant No.11201173);National Natural Science Foundation of China (grant No.11171132,grant No.11571065);Science and Technology Developing Plan of Jilin Province (grant No.20180101220JC);supported by National Basic Research Program of China (grant No.2013CB834100);Jilin DRC (grant No.2017C028-1)。
This paper concerns the controllability of autonomous and nonautonomous nonlinear discrete systems,in which linear parts might admit certain degeneracy.By introducing Fredholm operators and coincidence degree theory,s...
关键词：nonlinear discrete systems CONTROLLABILITY DEGENERACY Fredholm operators coincidence degree theory 
Negative-index dispersion and accidental mode degeneracy in an asymmetric spoof-insulator-spoof waveguide
《Chinese Physics B》2017年第7期439-444,共6页田莉莉 刘建龙 周可雅 高扬 刘树田 
Project supported by the National Basic Research Program of China(Grant No.2013CBA01702);the National Natural Science Foundation of China(Grant Nos.61377016,61575055,10974039,61307072,61308017,and 61405056)
It has been recently demonstrated that negative-index dispersion and mode degeneracy can be achieved by manipulating a spoof-insulator-spoof（SIS） waveguide. In this paper, we propose a new SIS waveguide, which is co...
关键词：spoof surface plasmon polaritons WAVEGUIDE negative index mode degeneracy 
Degeneracy and discreteness in cosmological model fitting被引量：1
《Research in Astronomy and Astrophysics》2016年第3期121-128,共8页Huan-Yu Teng Yuan Huang Tong-Jie Zhang 
supported by the National Natural Science Foundation of China(Grant No.11173006);the National Basic Research Program of China(project 973,No.2012CB821804)
We explore the problems of degeneracy and discreteness in the standard cosmological model（ΛCDM）. We use the Observational Hubble Data（OHD） and the type Ia supernovae（SNe Ia） data to study this issue. In order t...
关键词：cosmological parameters -- cosmology： observations -- methods： statistical 
Amplification of fluorescence using collinear picosecond optical parametric amplification at degeneracy
《Chinese Physics B》2012年第8期278-283,共6页张静 张秋琳 江曼 张东香 冯宝华 张景园 
Project supported by the National Basic Research Program of China (Grant No. 2007CB613205);the National Natural Science Foundation of China (Grant No. 61078005)
We demonstrate the output characteristic of broadband parametric amplification of incoherent light pulses in a 355-nm pumped degenerate picosecond optical parametric amplification with either saturated or unsaturated ...
关键词：broadband parametric amplification FLUORESCENCE DEGENERACY picosecond optical parametric amplifier 
Continuity of Weak Solutions for Quasilinear Parabolic Equations with Strong Degeneracy被引量：1
《Chinese Annals of Mathematics,Series B》2007年第4期475-498,共24页Hongjun YUAN 
Project supported by the Teaching and Research Award Fund for Outstanding Young Teachers in Higher Education Institutions of MOE(No.[2000]26);the 973 Project of the Ministry of Science and Technology of China(No.2006CB805902);the National Natural Science Foundation of China(No.10571072);the Key Laboratory of Symbolic Computation and Knowledge Engineering of the Ministry of Education of China and the 985 Project of Jilin University.
The aim of this paper is to study the continuity of weak solutions for quasilinear degenerate parabolic equations of the form： μt-△φ（μ） = 0 ,where φ ε C1（R^1） is a strictly monotone increasing function. Cle...
关键词：Continuity of weak solutions Quasilinear degenerate parabolic equation 
PROPERTIES OF THE BOUNDARY FLUX OF A SINGULAR DIFFUSION PROCESS被引量：17
《Chinese Annals of Mathematics,Series B》2004年第2期175-182,共8页YINJINGXUE WANGCHuNPENG 
Project supported by the 973 Project of the Ministry of Science and Technology of China, the Outstanding Youth Foundation of China (No.10125107);the Department of Mathematics of Jilin University.
The authors study the singular diffusion equationwhere Ω(?)Rn is a bounded domain with appropriately smooth boundary δΩ, ρ(x) = dist(x,δΩ), and prove that if α≥p-1, the equation admits a unique solution subjec...
关键词：Boundary flux Singular diffusion Boundary degeneracy 
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