Source: wikibot/open-and-closed-maps
= Open and closed maps
{wiki=Open_and_closed_maps}
In topology, "open" and "closed" maps are concepts that describe certain properties of functions between topological spaces. Here's a brief explanation of each term: \#\#\# Open Maps A function \\( f: X \\rightarrow Y \\) between two topological spaces is called an **open map** if it takes open sets in \\( X \\) to open sets in \\( Y \\).