On the metrizability of spaces with a sharp base

Chris Good, Robin W. Knight, Abdul M. Mohamad

A base $\mathcal{B}$ for a space $X$ is said to be sharp if, whenever $x\in X$ and $(B_n{)}_{n\in \omega }$ is a sequence of pairwise distinct elements of $\mathcal{B}$ each containing $x$,…