F. Boarotto, A. Lerario: Homotopy properties of horizontal path spaces and a theorem of Serre in subriemannian geometry (Submitted Paper) 2015 D. Barilari, F. Boarotto: On the set of points of smoothness for the value function for affine optimal control problems SIAM Journal of Control and Optimization 2018 D. Barilari, F. Boarotto: Kolmogorov-Fokker-Planck operators in dimension two: heat kernel and curvature Journal of Evolution Equations 2018 F. Boarotto, D. Vittone: A dynamical approach to the Sard problem in Carnot groups J. Differential Equations Vol. 269, p. 49985033, 2020 F. Boarotto, R. Monti, F. Palmurella: Third order open mapping theorems and applications to the end-point map Nonlinearity Vol. 33, N. 9, p. 4539-4567, 2020 F. Boarotto, L. Caravenna, F. Rossi, D. Vittone: On the Lebesgue measure of the boundary of the evoluted set Systems Control Lett. Vol. 158, N. Paper No. 105078, p. 5, 2021 F. Boarotto, L. Nalon, D. Vittone: The Sard problem in step 2 and in filiform Carnot groups (Preprint) 2022