1. P. M. Alberti, A. Uhlmann, Stochasticity and partial order: doubly stochastic maps and unitary mixing, Dordrecht, Boston, 1982
2. P. Belkale. Local systems on P1/S for S a finite set. Ph.D. thesis, University of Chicago, 1999
3. Quantum channel capacities;Bennett;Science,2004
4. Coadjoint orbits, moment maps, and the Hilbert-Mumford criterion;Berenstein;J. Am. Math. Soc.,2000
5. Matrix Analysis. Graduate Texts in Mathematics;Bhatia,1997