摘要
In this paper, we shall give an elementary proof of a Bishop–Stone–Weierstrass theorem for (M2(C))n with respect to its pure states. To be more precise, we shall show that the pure-state Bishop hull of a unital subalgebra (not necessarily self-adjoint) of (M2(C))n is equal to itself.
In this paper, we shall give an elementary proof of a Bishop–Stone–Weierstrass theorem for (M2(C))n with respect to its pure states. To be more precise, we shall show that the pure-state Bishop hull of a unital subalgebra (not necessarily self-adjoint) of (M2(C))n is equal to itself.
基金
supported by National Natural Science Foundation of China (Grant No.11201146)
Scientific Research Foundation for the Returned Overseas Chinese Scholars,State Education Ministry