1. On gradient bounds for the heat kernel on the Heisenberg group;Bakry, Dominique;J. Funct. Anal.,2008
2. Sharp measure contraction property for generalized H-type Carnot groups;Barilari, Davide;Commun. Contemp. Math.,2018
3. Hamilton-Jacobi theory and the heat kernel on Heisenberg groups;Beals, Richard;J. Math. Pures Appl.,2000
4. [4] Bonfiglioli, Andrea; Lanconelli, Ermanno; Uguzzoni, Francesco Stratified Lie groups and potential theory for their sub-Laplacians, Springer Monographs in Mathematics, Springer, 2007, xxvi+800 pages
5. [5] Calin, Ovidiu; Chang, Der-Chen; Furutani, Kenro; Iwasaki, Chisato Heat kernels for elliptic and sub-elliptic operators. Methods and techniques, Applied and Numerical Harmonic Analysis, Birkhäuser, 2011, xviii+433 pages