DEGENERACY

作品数：88被引量：80H指数：4
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相关机构：河南师范大学中州大学第二军医大学深圳大学更多>>
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Variable Degeneracy of Planar Graphs without Chorded 6-Cycles
《Acta Mathematica Sinica,English Series》2024年第11期2735-2750,共16页Hui Hui FANG Dan Jun HUANG Tao WANG Wei Fan WANG 
supported by NSFC(Grant Nos.12171436 and 12371360);supported by NSFC(Grant No.12031018);NSFSD(Grant No.ZR2022MA060)。
A cover of a graph G is a graph H with vertex set V(H)=∪_(v∈V(G))L_(v),where L_(v)={v}×[s],and the edge set M=∪_(uv∈E(G))M_(uv),where Muv is a matching between L_(u) and L_(v).A vertex set T⊆V(H)is a transversal ...
关键词：Variable degeneracy DP-coloring list coloring planar graph 
Leveraging crystal symmetry for thermoelectric performance optimization in cubic GeSe
《Rare Metals》2024年第10期5332-5345,共14页Yu-Geng Li Yong-Qiang Liu Mo-Ran Wang Wen-Qing Yao Xiao-Huan Luo Tu Lyu Wei-Qin Ao Chao-Hua Zhang Fu-Sheng Liu Li-Peng Hu 
financially supported by the National Key R&D Program of China(No.2021YFB1507403);the National Natural Science Foundation of China(No.52071218);Shenzhen Science and Technology Innovation Commission(No.JCYJ20230808105700001);Shenzhen University 2035 Program for Excellent Research(No.00000218)。
In thermoelectrics,the manipulation of crystal symmetry is instrumental in optimizing the electrical and thermal transport parameters.Within this context,the present study explored the largely overlooked high-symmetry...
关键词：THERMOELECTRIC GeSe Crystal symmetry High-entropy alloying Band degeneracy 
Design of a Low Power Low-Noise Amplifier with Improved Gain/Noise Ratio
《World Journal of Engineering and Technology》2024年第1期80-91,共12页Raja Mahmou Khalid Faitah 
This work details the development of a broad-spectrum LNA (Low Noise Amplifier) circuit using a 65 nm CMOS technology. The design incorporates an inductive degeneracy circuit, employing a theoretical approach to enhan...
关键词：LNA DEGENERACY Noise Figure LINEARITY Power Consumption GAIN 
Anomalous non-Hermitian dynamical phenomenon on the quantum circuit
《Chinese Physics B》2023年第7期132-141,共10页董陈潇 杨哲森 曾进峰 胡江平 
Project supported by the National Key R&D Program of China (Grant No. 2022YFA1403901);the National Natural Science Foundation of China (Grant No. NSFC-11888101);the Strategic Priority Research Program of Chinese Academy of Sciences (Grant No. XDB28000000);New Cornerstone Investigator Program;supported by the fellowship of China National Postdoctoral Program for Innovative Talents (Grant No. BX2021300)
The anomalous non-Hermitian dynamical phenomenon with the non-Hermitian skin effect(NHSE)attracts wide attention due to its novel physics and promising applications.Here,we propose a new type of non-unitary discrete-t...
关键词：spectral degeneracy splitting discrete-time quantum walk quantum circuit non-Hermitian skin effect 
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 
Non-Hermitian chiral degeneracy of gated graphene metasurfaces被引量：6
《Light(Science & Applications)》2023年第5期766-775,共10页Soojeong Baek Sang Hyun Park Donghak Oh Kanghee Lee Sangha Lee Hosub Lim Taewoo Ha Hyun Sung Park Shuang Zhang Lan Yang Bumki Min Teun-Teun Kim 
supported by National Research Foundation of Korea(NRF)through the government of Korea(NRF-2021R1C1C100631612 and 2017R1A2B3012364);Institute of Information&communications Technology Planning and Evaluation(IITP)grant funded by the Korea government(MSIT)(No.2022-0-00624);supported by the center for Advanced Meta-Materials(CAMM)funded by Korea Government(MSIP)as Global Frontier Project(NRF-2014M3A6B3063709);partially funded by NRF(NRF-2021R1A6A3A14044805)and the Institute for basic science(IBS-R011-D1).
Non-Hermitian degeneracies,also known as exceptional points(EPs),have been the focus of much attention due to their singular eigenvalue surface structure.Nevertheless,as pertaining to a non-Hermitian metasurface platf...
关键词：structure CHIRAL INTEGER 
Realizing n-type CdSb with promising thermoelectric performance
《Journal of Materials Science & Technology》2023年第13期54-61,共8页Peng Zhao Honghao Yao Shizhen Zhi Xiaojing Ma Zuoxu Wu Yijie Liu Xinyu Wang Li Yin Zongwei Zhang Shuaihang Hou Xiaodong Wang Siliang Chen Chen Chen Xi Lin Haoliang Liu Xingjun Liu Feng Cao Qian Zhang Jun Mao 
supported by the Shenzhen Science and Tech-nology Program (No.KQTD20200820113045081);the State Key Laboratory of Advanced Welding and Joining,Harbin Institute of Technology.J.M.acknowledges the financial support from the National Natural Science Foundation of China (No.52101248);Shenzhen fundamental research projects (No.JCYJ20210324132808020);the start-up funding of Shenzhen,and the start-up funding of Harbin Institute of Technology (Shenzhen).Q.Z.acknowledges the financial support from the National Nat-ural Science Foundation of China (Nos.52172194 and 51971081);the Natural Science Foundation for Distinguished Young Scholars of Guangdong Province of China (No.2020B1515020023);the Natural Science Foundation for Distinguished Young Scholars of Shenzhen (No.RCJC20210609103733073);the Key Project of Shenzhen Fundamental Research Projects (No.JCYJ20200109113418655);F.C.acknowledges the financial support from the National Natural Science Foundation of China (No.51871081);H.L.acknowledges the financial support from the National Natural Science Foundation of China (No.62174044).
Realizing high performance in both n-type and p-type materials is essential for designing efficient ther-moelectric devices.However,the doping bottleneck is often encountered,i.e.,only one type of conduction can be re...
关键词：Thermoelectric materials n-type CdSb Indium doping Band degeneracy 
Exact Controllability of Wave Equations with Interior Degeneracy and One-Sided Boundary Control被引量：1
《Journal of Systems Science & Complexity》2023年第2期656-671,共16页BAI Jinyan CHAI Shugen 
supported by the National Natural Science Foundation of China under Grant No.12271316;the National Natural Science Foundation of China for the Youth under Grant No.11801339;Shanxi Sciences Project for Selected Overseas Scholars under Grant No.2018–172;the Technical Innovation Team of Jinzhong University under Grant No.202111。
In this paper,the authors mainly consider the exact controllability for degenerate wave equation,which degenerates at the interior point,and boundary controls acting at only one of the boundary points.The main results...
关键词：Boundary control degenerate wave equation exact controllability interior degeneracy 
Asymptotic Behavior of Solutions to a Class of Semilinear Parabolic Equations with Boundary Degeneracy
《Communications in Mathematical Research》2023年第1期54-78,共25页Xinxin Jing Chunpeng Wang Mingjun Zhou 
This work was supported by the National Key R&D Program of China(Grant No.2020YFA0714i01);by the National Natural Science Foundation of China(Grant No.11925105).
This paper concerns the asymptotic behavior of solutions to one-dimensional semilinear parabolic equations with boundary degeneracy both in bounded and unbounded intervals.For the problem in a bounded inter-val,it is ...
关键词：Asymptotic behavior boundary degeneracy BLOWING-UP 
Strong quartic anharmonicity,ultralow thermal conductivity,high band degeneracy and good thermoelectric performance in Na_(2)TlSb被引量：2
《npj Computational Materials》2023年第1期2167-2175,共9页Tongcai Yue Yinchang Zhao Jun Ni Sheng Meng Zhenhong Dai 
This research were supported by the National Natural Science Foundation of China under Grant No.11974302,No.12174327,No.92270104;the Graduate Innovation Foundation of Yantai University,GIFYTU under Grant No.KGIFYTU2213.
We employ first-principles calculations combined with self-consistent phonon theory and Boltzmann transport equations to investigate the thermal transport and thermoelectric properties of full-Heusler compound Na_(2)T...
关键词：HARMONIC BONDING thermal 
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