EXTREMALITY

作品数:10被引量:6H指数:2
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相关领域:理学更多>>
相关作者:王卷乐许克祥吴建专更多>>
相关机构:俄罗斯科学院中国科学院东南大学更多>>
相关期刊:《Science China Mathematics》《Chinese Annals of Mathematics,Series B》《Chinese Physics C》《Analysis in Theory and Applications》更多>>
相关基金:国家自然科学基金中国博士后科学基金更多>>
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Thermodynamic extremality relations in massive gravity
《Chinese Physics C》2021年第2期606-611,共6页Deyou Chen Jun Tao Peng Wang 
Supported by NSF C(11875196,11375121,11205125,11005016);Xihua University Talent Project(Z201021)。
A universal relation between the leading correction to the entropy and extremality was proposed in the work of Goon and Penco.In this paper,we extend this work to massive gravity and investigate thermodynamic extremal...
关键词:thermodynamic extremality relations massive gravity perturbative corrections 
Extremality of Graph Entropy Based on Degrees of Uniform Hypergraphs with Few Edges被引量:1
《Acta Mathematica Sinica,English Series》2019年第7期1238-1250,共13页Dan HU Xue Liang LI Xiao Gang LIU Sheng Gui ZHANG 
Supported by NSFC(Grant Nos.11531011,11671320,11601431,11871034 and U1803263);the China Postdoctoral Science Foundation(Grant No.2016M600813);the Natural Science Foundation of Shaanxi Province(Grant No.2017JQ1019)
Let Η be a hypergraph with n vertices. Suppose that di,¢/2,...,dn are degrees of the vert ices of Η. The t-th graph entropy based on degrees of H is defined as Id^t(Η)=-n∑i=1(di^t/∑j=1^ndj^t^nlogdi^t/∑j=1^ndj^t...
关键词:Shannon's ENTROPY GRAPH ENTROPY degree sequence HYPERGRAPH 
Land Aridization in the Context of Global Warming——a Case Study of Transbaikalia被引量:1
《Journal of Resources and Ecology》2017年第2期141-147,共7页Anatoly I.KULIKOV Bair Z.TSYDYPOV Bator V.SODNOMOV Ayur B.GYNINOVA 王卷乐 
partially supported by the Russian Geographical Society(grant No.13-05-41378)
An increase in the extremality of natural processes is a consequence of warming, aridization, and desertification. The authors consider the processes of warming, aridization, and desertification to be the parts of a s...
关键词:climate change WARMING aridization DESERTIFICATION EXTREMALITY DROUGHT 
A Sufficient Condition for Rigidity in Extremality of Teichmller Equivalence Classes by Schwarzian Derivative
《Analysis in Theory and Applications》2014年第1期130-135,共6页Masahiro Yanagishita 
The Strebel point is a TeichmOller equivalence class in the Teichmuller space that has a certain rigidity in the extremality of the maximal dilatation. In this paper, we give a sufficient condition in terms of the Sch...
关键词:Strebel points the Schwarzian derivative asymptotically conformal maps. 
An extremality property of Jenkins-Strebel differentials
《Science China Mathematics》2006年第8期1094-1102,共9页LIU Jinsong 
This work was partially supported by the National Natural Science Foundation of China (Grant No. 10501046).
Given a compact Riemann surface S with finitely many punctures, in this paper we obtain a new extremality property of a Jenkins-Strebel differentialψon S. As a consequence, we obtain the solutions of several kinds of...
关键词:Jenkins-Strebel differentials  EXTREMALITY property  moduli. 
A proof of Sethares' conjecture被引量:1
《Science China Mathematics》2004年第2期236-244,共9页YAO Guowu 
Let (?)(z) be holomorphic in the unit disk △ and meromorphic on △. Suppose / is a Teichmuller mapping with complex dilatation In 1968, Sethares conjectured that f is extremal if and only if either (i)(?) has a doubl...
关键词:Teichmulier mapping EXTREMALITY Hamilton sequence substantial boundary point. 
The Star-Extremality of Circulant Graphs
《Journal of Southeast University(English Edition)》2002年第4期377-379,共3页吴建专 许克祥 
The circular chromatic number and the fractional chromatic number are two generalizations of the ordinary chromatic number of a graph. We say a graph G is star extremal if its circular chromatic number is equal to its...
关键词:circular chromatic number fractional chromatic number circulant graph star extremal graph 
Shift ergodicity for stationary Markov processes
《Science China Mathematics》2001年第11期1373-1380,共8页陈金文 
the National Natural Science Foundation of China (Grant No. 10071008).
In this paper shift ergodicity and related topics are studied for certain stationary processes. We first present a simple proof of the conclusion that every stationary Markov process is a generalized convex combinatio...
关键词:ERGODICITY EXTREMALITY stationary process interacting particle system 
ON CRITERION OF THE EXTREMALITY ANDCONSTRUCTION OF HAMILTON SEQUENCESFOR A CLASS OF TEICHMLLER MAPPINGS被引量:2
《Chinese Annals of Mathematics,Series B》2000年第3期339-342,共4页WUZEMIN LAIWANCAI 
the National Natural Science Foundation of China!(No.19531060), the DoctoralProgram Fundation of the Ministry of Education o
It is proved that if f is a Teichmuller self-mapping of the unit disk with a holomorphic quadratic deferential and satisfies the growth condition m(ψ,r)= o((1 -r)-), r→1, for any s>1, then f is extremal, and there ...
关键词:Teichmüller mapping EXTREMALITY Hamilton sequence 
ON EXTREMALITY AND UNIQUE EXTREMALITY OF TEICHMULLER MAPPINGS被引量:2
《Chinese Annals of Mathematics,Series B》1995年第3期399-406,共8页LAI WANCAI WU ZHEMIN(Department of Applied Mathematics, Hua Qiao Universityl Quanzhou 362011, Fujian, China.) 
Consider the Teichmuller mapping f associated with in the unit disc D and the class of all quasiconformal mappings in D with the boundary values of f. For a special holomorphic function, the present paper gives the ne...
关键词:Teichmuller mapping EXTREMALITY Unique extremality. 
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