Hölder continuity for sub-elliptic systems under the sub-quadratic controllable growth in Carnot groups

Wang, Jialin; Liao, Dongni; Yu, Zefeng

Rendiconti del Seminario Matematico della Università di Padova, Volume 130 (2013) p. 169-202

Sharp weighted Hardy type inequalities and Hardy–Sobolev type inequalities on polarizable Carnot groups

Wang, Jialin; Niu, Pengcheng

Comptes Rendus. Mathématique, Volume 346 (2008) p. 1231-1234