Small colony variants (SCVs) are slow-growing bacteria with distinctive phenotypic and pathogenic traits.

SCVs are often less susceptible to antibiotics and can cause latent or recurrent infections. During sub-culturing

of P...

This paper is devoted to spaces that are not homotopically Hausdorff and study their covering spaces. We introduce the notion of small covering and prove that every small covering of $X$ is the universal covering in the categorical sense. Also, we...