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Hibert空间中非扩张映象的最近的
496 Vol.49, No.6
200611 ACTA MATHEMATICA SINICA, Chinese Series Nov., 2006
: 0583-1431(2006)06-1297-06 : A
Hilbert
644007
E-mail: sszhang 1@
E-mail: majlee@.hr; machanck@.hr
Hilbert , Æ T , T , . . .
1 2
xn+1 = λn+1y + (1 − λn+1 )Tn+1xn . ,
Æ .
.
MR(2000) Æ 47H09, 65J15
Æ O177.91
On the Problem of Nearest Common Fixed Point of Nonexpansive Mappings
Shi Sheng ZHANG
Department of Mathematics, Yibin University, Yibin 644007, P. R. China
E-mail: sszhang 1@
Joseph LEE Chi Kin CHEN
Department of Applied Mathematics, The Hong Kong Polytechnic University,
Hong Kong, P. R. China
E-mail: majlee@.hr; machanck@.hr
Abstract The purpose of this paper is to study the convergence problem of the iteration
scheme xn+1 = λn+1y + (1 − λn+1 )Tn+1xn for a family of infinitely many nonexpansive
mappings T , T , . . . in a Hilbert space. It is proved that under suitable conditions this
1 2
iteration scheme converges strongly to the nearest common fixed point of this family of
nonexpansive mappings. The results presented in this paper extend and improve the
corresponding results.
Keywords common fi
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