Paper "Matrix-Product Operators and States: NP-Hardness and Undecidability" Published on PRL

Summary: 

Fhttp://qurope.eu/db/publications/matrix-product-operators-and-states-np-hardness-and-undecidability as PRL on the 16th October 2014

The paper, authored by M. Kliesch, D. Gross, and J. Eisert, has been published the 10th October 2014 on Phys. Rev. Lett. 113 (2014);