RT Journal Article T1 Isoperimetric Inequality, p-parabolicity and Doubling Graphs A1 Martínez Pérez, Álvaro A1 Rodríguez, José M. AB Herein we study the relationship on graphs between being (metric) doubling and these two properties: being p-parabolic and satisfying the Cheeger isoperimetric inequality. We prove that if a uniform graph G satisfies the (Cheeger) isoperimetric inequality, then G is not (metric) doubling and see that the converse is not true. We also prove that if G is a doubling graph with doubling constant C, then it is p-parabolic for every p ≥ log2(C) and see that the converse is not true. Furthermore, we see that being doubling does not imply being p-parabolic for every 1