Applied and Computational Mathematics

Volume 8, Issue 6, December 2019

  • Group Structure of Special Parabola and Its Application in Cryptography

    Bin Li

    Issue: Volume 8, Issue 6, December 2019
    Pages: 88-94
    Received: Nov. 05, 2019
    Accepted: Nov. 28, 2019
    Published: Dec. 09, 2019
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    Abstract: Public key cryptography is one of the most important research contents in modern cryptography. Curve-based public key cryptosystems have attracted widespread attention in recent years because they have more obvious advantages in speed and key length than general public key cryptosystems. People have done a lot of research on elliptic cryptosystem, ... Show More
  • Screening out All Valid Aristotelian Modal Syllogisms

    Xiaojun Zhang

    Issue: Volume 8, Issue 6, December 2019
    Pages: 95-104
    Received: Jan. 05, 2020
    Accepted: Jan. 15, 2020
    Published: Feb. 13, 2020
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    Abstract: It is easy to understand that whether a classical syllogism is valid. That whether a modal syllogism is valid is not so transparent. The prevailing view on Aristotelian modal syllogistic is that the syllogistic is incomprehensible due to its many faults and inconsistencies. Although adequate semantic analysis or reconstruction of the syllogistic ha... Show More