Mohammed  W.S.AL. Shammari, Luay  A.AL. Swidi, 
    Topical Function in Topological Space,
    Journal of Engineering and Applied Sciences,
    Volume 15,Issue 16,
    2020,
    Pages 3128-3131,
    ISSN 1816-949x,
    jeasci.2020.3128.3131,
    (https://makhillpublications.co/view-article.php?doi=jeasci.2020.3128.3131)
    Abstract: In this study, we put new concept linking the
topology and filter on a given space, we call it the topical
function. Also, gave us the characteristics and advantages
of this concept.
    Keywords: Filter;topical function;topical closure F-Dense F-hypperconnected;mathematics;position