Applied and Computational Mathematics

Volume 12, Issue 2, April 2023

  • Impacts of Seasonal and Spatial Variations on the Transmission of Typhoid Fever

    Huei-Li Lin, Kuang-Hui Lin, Yu-Chiau Shyu, Feng-Bin Wang

    Issue: Volume 12, Issue 2, April 2023
    Pages: 26-41
    Received: Mar. 13, 2023
    Accepted: Apr. 03, 2023
    Published: Apr. 11, 2023
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    Abstract: Typhoid fever is a disease caused by the bacteria Salmonella Typhi through the ingestion of contaminated food or water, and it is still serious in developing countries. The infection routes include both human-to-human transmission and environment-to-human transmission. It was observed that higher incidence of typhoid fever occur during the rainy se... Show More
  • Domination Number and Secure Resolving Sets in Cyclic Networks

    Basma Mohamed, Mohamed Amin

    Issue: Volume 12, Issue 2, April 2023
    Pages: 42-45
    Received: Apr. 21, 2023
    Accepted: May 11, 2023
    Published: May 29, 2023
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    Abstract: Consider a robot that is navigating a graph-based space and is attempting to determine where it is right now. To determine how distant it is from each group of fixed landmarks, it can send a signal. We discuss the problem of determining the minimum number of landmarks necessary and their optimal placement to ensure that the robot can always locate ... Show More