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A Topological Characterization to Arbitrary Resilient Asynchronous Complexity

Author

Listed:
  • Yunguang Yue

    (School of Mathematical Sciences, Dalian University of Technology, Dalian 116024, China)

  • Xingwu Liu

    (School of Mathematical Sciences, Dalian University of Technology, Dalian 116024, China
    School of Computer Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China)

  • Fengchun Lei

    (School of Mathematical Sciences, Dalian University of Technology, Dalian 116024, China)

  • Jie Wu

    (Yanqi Lake Beijing Institute of Mathematical Sciences and Applications, Beijing 101408, China)

Abstract

In this work, we extend the topology-based framework and method for the quantification and classification of general resilient asynchronous complexity. We present the arbitrary resilient asynchronous complexity theorem , applied to decision tasks in an iterated delayed model which is based on a series of communicating objects, each of which mainly consists of the delayed algorithm. In order to do this, we first introduce two topological structures, delayed complex and reduced delayed complex, and build the topological computability model, and then investigate some properties of those structures and the computing power of that model. Our theorem states that the time complexity of any arbitrary resilient asynchronous algorithm is proportional to the level of a reduced delayed complex necessary to allow a simplicial map from a task’s input complex to its output complex. As an application, we use it to derive the bounds on time complexity to approximate agreement with n + 1 processes.

Suggested Citation

  • Yunguang Yue & Xingwu Liu & Fengchun Lei & Jie Wu, 2022. "A Topological Characterization to Arbitrary Resilient Asynchronous Complexity," Mathematics, MDPI, vol. 10(15), pages 1-20, August.
    • Handle: RePEc:gam:jmathe:v:10:y:2022:i:15:p:2720-:d:877853
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    References listed on IDEAS

    as
    1. Basel A. Mahafzah & Islam O. Al-Zoubi, 2018. "Broadcast communication operations for hyper hexa-cell interconnection network," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 67(1), pages 73-93, January.
    2. Yunguang Yue & Fengchun Lei & Xingwu Liu & Jie Wu, 2020. "Asynchronous Computability Theorem in Arbitrary Solo Models," Mathematics, MDPI, vol. 8(5), pages 1-18, May.
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