J4 ›› 2010, Vol. 45 ›› Issue (8): 99-103.

• Articles • Previous Articles     Next Articles

Internal-outer data circle and dynamic data-recovery

ZHOU Yu-hua1, ZHANG Guan-yu2, ZHANG Li3   

  1. 1. Department of Mathematics,Xinyang Vocational and Technical College, Xinyang 464000, Henan, China;
    2. Department of Mathematics, Huanghuai University, Zhumadian 463000, Henan,China;
    3. School of Mathematics,Shandong University, Jinan 250100, Shandong, China
  • Received:2010-02-28 Online:2010-08-16 Published:2010-09-16


P-sets(packet sets) are composed of internal P-sets X(internal packet set X) and outer P-sets XF(outer packet sets XF). P-sets have dynamic characteristics. Based on P-sets, the concepts of internal-data circle, outer-data circle are given. By using these concepts, dynamic data recovery theorem, dynamic data recovery guideline and data recovery-identification, as well as applications are proposed. P-sets are new tool to study dynamic data analysis-identification.

Key words:  P-sets; internaldata circle; outer-data circle; outer-recovery; outer-recovery theorem

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