CONJECTURE

作品数:486被引量:295H指数:8
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相关领域:理学更多>>
相关作者:韩国平刘建熙邱青刘瑞元李逸更多>>
相关机构:华南师范大学大连理工大学浙江大学山东大学更多>>
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相关基金:国家自然科学基金国家重点基础研究发展计划北京市自然科学基金国家教育部博士点基金更多>>
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The Shannon capacity of a communication channel,graph Ramsey number and a conjecture of Erds
《Chinese Science Bulletin》2001年第24期2025-2028,共4页LI YushengCollege of Sciences, Hohai University, Nanjing 210098, China 
This work was jointly supported by the National Natural Science Foundation of China (Grant No. 19871023); Education Minislry of China (Grant No. 2000-11); the "333" Foundation of Jiangsu Province and the Natural Science Foundation of Jiangsu Province(G
We briefly introduce the connection between the Shannon capacity of a communication channel and graph Ramsey number, which may receive attention from researchers on communication theory and graph theory.
关键词:COMMUNICATION CHANNEL Shannon capacity RAMSEY number. 
A proof of Melnikov’s conjecture for case Δ=4
《Chinese Science Bulletin》1998年第4期352-352,共1页
ThisprojectwassupportedbytheNationalNaturalScienceFoundationofChina (GrantNo .194 710 37) .
关键词:s conjecture for case 
On a conjecture in Moreau-Yosida approximation of a nonsmooth convex function
《Chinese Science Bulletin》1997年第17期1423-1426,共4页Sun, DF Han, JY 
CONSIDER minf(x) (1) where f: R^n→ [-∞, +∞] is an extended valued closed proper convex function. The Moreau-Yosida approximation F_λ of f is defined
关键词:CONVEX function Moreau-Yosida APPROXIMATION PIECEWISE smooth. 
On a conjecture about the strict Hall exponents of primitive matrices
《Chinese Science Bulletin》1996年第15期1319-1320,共2页周波 柳泊濂 
Let Bn denote the set of n×n Boolean matrices. For A=(aij), B=(bij)∈Bn, if aij≤bij, i. j= 1, 2, '', n. we say A≤B. An n×n Boolean matrix A is call...
关键词:周波 
A conjecture of the length spectrum of Riemann surface
《Chinese Science Bulletin》1996年第10期793-797,共5页刘立新 
Let S0 be a compact Riemann surface with genus g,g>1. For any compact Riemannsurface S and any orientation preserved homeomorphism f:S0→S, we denote the pair (S,f) a marked Riemann surface....
关键词:LENGTH SPECTRUM of RIEMANN surface EXTREMAL LENGTH Teichmuller metric. 
The fixed points of exact symplectomorphisms
《Chinese Science Bulletin》1995年第3期190-191,共2页卢广存 
Theorem Let (Mjj) be the 4-dimensional connect closed symplectic manifolds with c1(Mj) =0, j= 1,…, k, and (P, ω) the closed symplectic manifold with ω|π2
关键词:EXACT symplectomorphisn ARNOLD conjecture. 
On Several Results of Chandrasekaran-Tamir Conjecture
《Chinese Science Bulletin》1994年第21期1774-1778,共5页王长钰 陈广军 
Project supported by the National Natural Science Foundation of China.
Fermat-Weber location problem may be described
关键词:Fermat-Weber LOCATION problem Weiszfeld algorithm LOCAL convergence. 
The Main Conjecture on Geometric MDS Codes From Hyperelliptic Curves
《Chinese Science Bulletin》1994年第12期974-979,共6页唐立中 
In Ref.[2] the author dealt with the Main conjecture on geometric codes andproved the correctness of the conjecture for codes arising from curves with genus 1 or2 when the cardinal of the ground field is large enough....
关键词:algebraic-geometric CODES hyperelliptic curves MDS CODES JACOBIAN ZETA function. 
A Kind of Fibonacci Sequence
《Chinese Science Bulletin》1994年第4期348-349,共2页施锡泉 
Project supported by the National Natural Science Foundation of China and Alexander von Humboldt Foundation of Germany
In Ref. [1], Freitag raised a conjecture that for the sequence {An} defined byAn+2=An+11/2+An1/2for all n≥1, limn→∞An=4 regard...
关键词:FIBONACCI CONJECTURE ANSWER regardless choice raised proof CONVERGENT LIMITATION FIGHT 
Some Localization Hamiltonian Conditions
《Chinese Science Bulletin》1993年第18期1583-1584,共2页施容华 
Let G be a connected graph, SV(G) and u∈V(G). Write N(S)={v∈V(G)\S: there exists a vertex w∈S such that vw∈E(G)}, N(u)={v∈V(G):uv∈E(G)}, which are respectively called the neighborhood of S and u. Let (u)=N(u)∪{...
关键词:NEIGHBORHOOD CONNECTED VERTEX HAMILTONIAN SUBGRAPH satisfying CONJECTURE 容华 五石 二万 
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