@INPROCEEDINGS{zhengecc2013,
author={S. Gaubert and Z. Qu},
title={Markov operators on cones and non-commutative consensus},
booktitle={Proceedings of the European Control Conference ECC 2013},
address={Zurich},
date={July 17-19},
year=2013,
eprint={1307.4649},
pages={2693-2700},
}