2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/207908We discuss the structure of one-loop counterterms for the two-dimensional theory of gravitation in the covariant scheme and study the effect of quantum reparametrizations. Some of them are shown to be equivalent to the introduction of $2+ε$-dimensional terms into the initially 2-dimensional theory. We also argue that the $β$-function for the Einstein constant has a non-trivial ultraviolet stable point beyond two dimensions.16 pagesHigh Energy Physics - Theorytext