摘要
We present that the local unitary equivalence of n-party pure states is consistent with that of their(n-l)-party reduced density matrices.As an application,we obtain the local invariants for a class of tripartite pure qudits.
基金
Supported by the National Natural Science Foundation of China under Grant Nos 10871227 and 10875081
the Natural Science Foundation of Beijing under Grant No 1092008,PHR(IHLB)201007107
the Shandong Province Doctoral Fund(BS2010DX004)。
