A quantization procedure of fields based on geometric Langlands correspondence. Diep, Do Ngoc — 2009 International Journal of Mathematics and Mathematical Sciences
Quantum half-planes via deformation quantization. Do Ngoc Diep; Nguyen Viet Hai — 2001 Beiträge zur Algebra und Geometrie
Quantum co-adjoint orbits of the group of affine transformations of the complex line. Do Ngoc Diep; Nguyen Viet Hai — 2001 Beiträge zur Algebra und Geometrie