Evolution of global relativistic jets: collimations and expansion with kKHI and the weibel instability

This work is supported by NSF AST-0908010, AST-0908040, NASA-NNG05GK73G, NNX07AJ88G, NNX08AG83G, NNX08AL39G, NNX09AD16G, NNX12AH06G, NNX13AP21G, and NNX13AP14G grants. The work of J.N. has been supported by Narodowe Centrum Nauki through research project DEC-2013/10/E/ST9/00662. J.L.G. acknowledges support through grant AYA2013-40825-P of the Spanish Ministry of Economy and Competitiveness. Y.M. is supported by the ERC Synergy Grant >BlackHoleCam-Imaging the Event Horizon of Black Holes> (Grant No. 610058). M.P. acknowledges support through grant PO 1508/1-2 of the Deutsche Forschungsgemeinschaft.