Weighted Rellich inequality on H -type groups and nonisotropic Heisenberg groups. Jin, Yongyang; Han, Yazhou — 2010 Journal of Inequalities and Applications [electronic only]
Some Hardy type inequalities in the Heisenberg group. Han, Yazhou; Niu, Pengcheng — 2003 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
Ostrowski type inequalities related to the generalized Baouendi-Grushin vector fields Jingbo Dou; Yazhou Han — 2013 Rendiconti del Seminario Matematico della Università di Padova