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Journal of Modern Mathematics Frontier
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  This is an Open Access Journal Open Access journal
     ISSN (Print) 2227-3743 - ISSN (Online) 2227-3751
     Published by Science and Engineering Publishing Company Homepage  [46 journals]
  • Existence and Uniqueness of Solution of an N-unit Series Repairable System
           with a Repairman Doing Other Work

    • Abstract: Existence and Uniqueness of Solution of an N-unit Series Repairable System with a Repairman Doing Other Work
      Pages 52-57
      Author Abdukerim HajiBilikiz YunusAbdulla Hoxu
      We investigate an N-unit series repairable system with a repairman doing other work. By using the method of functional analysis, especially, C0-semigroup theory and spectral theory of positive operators, we prove the well-posedness and the existence of a unique positive solution of the system.
      PubDate: 2014-09
       
  • A Note of Yetter-Drinfeld Hopf Algebras

    • Abstract: A Note of Yetter-Drinfeld Hopf Algebras
      Pages 49-51
      Author Yanhua Wan
      This note gives a property of cohomology of Yetter-Drinfeld Hopf algebras.
      PubDate: 2014-09
       
  • Analysis on Metamaterials Quasi Standard Transmission Line Unit Cell by
           Software Tool

    • Abstract: Analysis on Metamaterials Quasi Standard Transmission Line Unit Cell by Software Tool
      Pages 45-48
      Author Cong WangNam-Young Ki
      A compact distributed metamaterials quasi standard transmission lines unit cell is proposed in this paper. It consists of interdigital capacitor and single or double spiral inductor based on microstrip transmission lines. The area of the unit cell is much reduced when compared with the conventional microstrip metamaterials transmission lines. The performance and the fundamental properties of the conventional and the proposed unit cells are verified by 3D planar electromagnetic (EM) simulation, and the electric size is calculated and compared. Transmission lines including 10 proposed unit cells and the traditional transmission lines are simulated by full 3D simulator. The forward and backward waves in the left-handed band from the simulation demonstrate the effectiveness of the proposed metamaterials transmission lines unit cell.
      PubDate: 2014-09
       
 
 
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