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A new approach of conditions on δ_(2s)(Φ) for s-sparse recovery被引量:1
《Science China(Information Sciences)》2014年第4期103-109,共7页CEN YiGang ZHAO RuiZhen MIAO ZhenJiang CEN LiHui CUI LiHong 
supported by National Natural Science Foundation of China(Grant Nos.61272028,61104078,61073079,61273274,60802045);Fundamental Research Funds for the Central Universities of China(Grant Nos.2011JBM223,2013JBZ003),Beijing Natural Science Foundation(Grant Nos.4113075,4123104);Spe-cialized Research Fund for the Doctoral Program of Higher Education of China(Grant Nos.20110162120045,20120009110008);Program for New Century Excellent Talents in University(Grant No.NCET-12-0768);National Key-tech R&D Program of China(Grant No.2012BAH01F03);National Basic Research Program of China(973 Program)(Grant No.2011CB302203);Foundation of Key Laboratory of System Control and Information Processing(Grant No.SCIP2011009)
In this paper, we provide a unified expression to obtain the conditions on the restricted isometry constant δ2s(φ). These conditions cover the important results proposed by Candes et al. and each of them is a suff...
关键词:concentration of mutilated vector in kerφ s-largest mutilated vector restricted isometry constantδ2s(φ) exact recovery of s-sparse signals via (ll) maximum value of single variable function 
The largest table in Chinese restaurant processes
《Science China Mathematics》2009年第7期1569-1578,共10页CHEN XinXing YING JianGang 
supported by National Natural Science Foundation of China (Grant No.10671036);the National Basic Research Program of China (Grant No.2007CB814904)
In this paper,we investigate the expectation of the size of the largest table in an(α,θ)-Chinese restaurant process by using and developing an idea originated in the work by Shepp,which discusses random permutation.
关键词:Chinese restaurant process Poisson process 60J10 
The weakly almost periodic point'of a flow
《Progress in Natural Science:Materials International》1995年第3期81-85,共5页周作领 
Project supported by the National Natural Science Foundation of China;the National Basic Research Project "Nonlinear Science" of China
For a C0 flow, a notion of the weakly almost periodic point has been introduced and it has been proved that both the set of the weakly almost periodic points and its subset consisting of points generating the ergodic ...
关键词:FLOW invariant measure LARGEST probability minimal CENTRE of ATTRACTION WEAKLY ALMOST periodic point. 
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