Hi, I am nengkun, I am currently a postdoc in IQC.
6 On the positivity of matrices aug 30 '14
6 How to test if the power of some algebraic number is the rational combination of two specific algebraic numbers? nov 28 '14
5 On the linear transformation between matrix space jun 15 '13
4 Another kind of the positivity of matrices sep 13 '14
3 problems of subspace of M_n(C) mar 30 '10