Mathematics Letters

Volume 7, Issue 4, December 2021

  • On Discrete Functions and Repetitive Arrangements with Algorithms to Construct All Discrete Functions and a Practical Problem

    Nicolae Popoviciu

    Issue: Volume 7, Issue 4, December 2021
    Pages: 45-53
    Received: 3 November 2021
    Accepted: 30 November 2021
    Published: 11 December 2021
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    Abstract: The main idea of this work is based on the question: how can we control the electric circuits between a number of electric bulbs and a number of electric sources. This generates the correspondences between two discrete sets. The correspondence is based on the notion of discrete function and repetitive arrangements. The normal construction and notio... Show More
  • A New Proof of Young’s Inequality Using Multivariable Optimization

    Tadesse Bekeshie

    Issue: Volume 7, Issue 4, December 2021
    Pages: 54-58
    Received: 18 August 2021
    Accepted: 16 December 2021
    Published: 24 January 2022
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    Abstract: In its standard form, Young's inequality for products is a mathematical inequality about the product of two numbers and it allows us to estimate a product of two terms by a sum of the same terms raised to a power and scaled. This inequality, though very simple, has attracted researchers working in many fields of mathematics due to its applications.... Show More