Off-diagonal matrix coefficients are tangents to state space: Orientation and C*-algebras

DOI10.1090/S0002-9939-09-09868-2zbMath1176.46058MaRDI QIDQ3631834

Martin E. Walter

Publication date: 22 June 2009

Published in: Proceedings of the American Mathematical Society (Search for Journal in Brave)

zbMATH Keywords

orientationmatrix coefficientstate spaceC\(^*\)-algebrapositive linear functional

Mathematics Subject Classification ID

General theory of (C^*)-algebras (46L05) Convex sets in topological linear spaces; Choquet theory (46A55) States of selfadjoint operator algebras (46L30)

Cites Work

• Differentiation on the dual of a group: An introduction
• Algebraic structures determined by 3 by 3 matrix geometry
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