K. Niu

The role of the ℓ1-norm in quantum information theory and two types of the Yang–Baxter equation

Kang Xue, Mo-Lin Ge, M. Ge, 2011 .

The $\ell_{1}$-norm in quantum information via the approach of Yang-Baxter Equation

M. Ge, K. Xue, K. Niu, 2010, 1001.3465.

Non-uniform black strings with Schwarzschild–(anti-)de Sitter foliation

Jie Ren, K. Niu, Bingyu Xia, 2007, hep-th/0703195.