Algebras of singular integral operators generated by three orthogonal projections |
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Authors: | E Ramirez de Arellano N L Vasilevski |
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Institution: | (1) Departamento de Matemáticas, CINVESTAV del I.P.N., Apartado Postal 14-740, 07000 México, D.F., MEXICO;(2) Present address: Odessa State University, Odessa, Ukraine |
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Abstract: | The structure of theC
*-algebra with identity generated by two orthogonal projections is well understood. All irreducible representations of this algebra are either two-dimensional or one-dimensional. The situation becomes unpredictable in the case of theC
*-algebra generated by three orthogonal projections. Even in the more specific case when two of the projections commute, the algebra under consideration may have infinite dimensional irreducible representations.In this paper we produce three concrete realizations of the algebra generated by three orthogonal projections in that specific case. It turns out that these algebras have quite different structure.This work was partially supported by CONACYT Project 4069-E9404, México. |
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Keywords: | 47B35 47D25 |
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