@ARTICLE{Gawron_Piotr_Approximation_2014, author={Gawron, Piotr and Sadowski, Przemysław}, volume={vol. 26}, number={No 3-4}, journal={Theoretical and Applied Informatics}, pages={149-158}, howpublished={online}, year={2014}, publisher={Committee of Informatics of Polish Academy of Science}, publisher={Institute of Theoretical and Applied Informatics of Polish Academy of Science}, abstract={In this work we provide a method for approximating the separable numerical range of a matrix. We also recall the connection between restricted numerical range and entanglement of a quantum state. We show the possibility to establish state separability using computed restricted numerical range. In particular we present a method to obtain separability criteria for arbitrary system partition with use of the separable numerical range.}, type={Article}, title={Approximation of separable numerical range using simulated annealing}, URL={http://journals.pan.pl/Content/118523/PDF-MASTER/Approximation%20of%20separable%20numerical%20range.pdf}, keywords={Restricted numerical ranges, separable states, quantum entanglement}, }