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Operator analogue of the Krein-Milman theorem in the generalized state spaces
Authors:WU Wei
Institution:Department of Mathematics, East China Normal University, Shanghai 200062 Institute of Mathematics, Chinese Academy of Sciences,
Abstract:We discuss the Krein-Milman-type problems in the C* -convexity theory for the generalized state space MediaObjects/11425_2008_Article_BF02872284_f1.jpg of C*-algebraA. The main results are that every BW-compact, C*-convex subset of MediaObjects/11425_2008_Article_BF02872284_f2.jpg possesses a C*-extreme point and every BW-compact, C* -convex subset of MediaObjects/11425_2008_Article_BF02872284_f3.jpg is the C*-convex hull of its C*-extreme points.
Keywords:C*-convexity  C*-extreme point  generalized state space  Krein-Milman-type problems
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