C. Afeltra: Singular periodic solutions to a critical equation in the Heisenberg group (preprint) 2019 C. Afeltra: Singular solutions of the Yamabe problem in the Heisenberg group and their bifurcation (Submitted Paper) 2020 C. Afeltra: Rectifiability of sets of solutions of first order systems of partial differential equations (Preprint) 2023 C. Afeltra: A compactness result for the CR Yamabe problem in three dimensions (Preprint) 2023