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   Local C r stability for iterative roots of orientation-preserving self-mappings on the interval  
   
نویسنده zeng y.
منبع journal of applied mathematics - 2014 - دوره : 2014 - شماره : 0
چکیده    Stability of iterative roots is important in their numerical computation. it is known that under some conditions iterative roots of orientation-preserving self-mappings are both globally c 0 stable and locally c 1 stable but globally c 1 unstable. although the global c 1 instability implies the general global c r (r ≥ 2) instability,the local c 1 stability does not guarantee the local c r (r ≥ 2) stability. in this paper we generally prove the local c r (r ≥ 2) stability for iterative roots. for this purpose we need a uniform estimate for the approximation to the conjugation in c r linearization,which is given by improving the method used for the c 1 case. © 2014 yingying zeng.
آدرس department of mathematics,sichuan university,chengdu, China
 
     
   
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