International Journal of Systems Science and Applied Mathematics

Volume 10, Issue 2, June 2025

  • Research Article

    Analysis of Short-Term Interest Rate Models with Stochastic Volatility

    Mary Avwerosuoghene Pureheart-Irikefe*, Bernard Ojonugwa Anthony, Jonathan Ojarikre Oniore

    Issue: Volume 10, Issue 2, June 2025
    Pages: 12-26
    Received: 19 January 2025
    Accepted: 7 February 2025
    Published: 29 May 2025
    DOI: 10.11648/j.ijssam.20251002.11
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    Abstract: The examination of short-term interest-rate behaviour is of critical importance in financial analysis, risk management, and in formulating monetary policy. Fluctuations in financial markets in recent times have emphasised the need for strong and reliable models that can effectively model behaviors and dynamics involved in short-term interest-rate f... Show More
  • Research Article

    An EpiMod-QR/Alt Code-Based Model for Smart Campus Attendance Management Using the Differential Transform Method

    Helen Onovwerosuoke Sanubi*, Augustine Aduge

    Issue: Volume 10, Issue 2, June 2025
    Pages: 27-40
    Received: 17 April 2025
    Accepted: 4 May 2025
    Published: 12 June 2025
    DOI: 10.11648/j.ijssam.20251002.12
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    Abstract: This study presents the Epidemiological Quick Response and Alternative Code (EpiMod-QR/Alt) system, an innovative framework designed to address attendance management challenges in certain Nigerian higher institutions. By integrating QR/Alt code technology with compartmental differential equation modeling, the system offers real-time tracking, predi... Show More