A duality theorem for real C* algebras

  • Authors:
  • M. Andrew Moshier;Daniela Petrişan

  • Affiliations:
  • Department of Mathematics and Computer Science, Chapman University;Department of Computer Science, University of Leicester, UK

  • Venue:
  • CALCO'09 Proceedings of the 3rd international conference on Algebra and coalgebra in computer science
  • Year:
  • 2009

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Abstract

The full subcategory of proximity lattices equipped with some additional structure (a certain form of negation) is equivalent to the category of compact Hausdorff spaces. Using the Stone-Gelfand-Naimark duality, we know that the category of proximity lattices with negation is dually equivalent to the category of real C* algebras. The aim of this paper is to give a new proof for this duality, avoiding the construction of spaces. We prove that the category of C* algebras is equivalent to the category of skew frames with negation, which appears in the work of Moshier and Jung on the bitopological nature of Stone duality.