👉 The term "meiler" is a mathematical concept used in the field of algebraic topology. It was introduced by the French mathematician Jean-Pierre Serre in 1972 as part of his work on homotopy theory. The definition of a Meilier map is given as follows: Let $X$ and $Y$ be two topological spaces such that $Y$ has a countable base, i.e., for every point $x \in Y$, there