1. Compact Convex Sets and Boundary Integrals;Alfsen,1971
2. State Spaces of Operator Algebras: Basic Theory, Orientations, and C*-Products, Mathematics: Theory & Applications;Alfsen,2001
3. Subalgebras of C⁎-algebras, I;Arveson;Acta Math.,1969
4. A Course in Convexity;Barvinok,2002
5. Real Algebraic Geometry;Bochnak,1998