Closed graph property and Khalimsky spaces

Mehrnaz Pourattar, Fatemah Ayatollah Zadeh Shirazi, Mohammad Reza Mardanbeigi

In the following text for Khalimsky $n-$dimensional space ${\mathcal{K}}^n$ we show self--map $f:{\mathcal{K}}^n\to {\mathcal{K}}^n$ has closed graph if and only if there exist integers $…