C∗-algebra consisting of all g-Bessel sequences in a Hilbert space. - Z. L. Chen; H. X. Cao; Z. H. Guo (Int. J. Wavelets Multiresolution Inf. Process., 2017)

Characterizing Bell nonlocality and EPR steerability with quantum magic squares. - X. S. Ma; L. H. Bai; Z. H. Guo; Huai-Xin Cao (Quantum Inf. Process., 2022)