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HECKE ALGEBRAS AND SEMIGROUP CROSSED PRODUCT C-ALGEBRAS
For an almost normal subgroup 0 of a discrete group , conditions are given which allow one to dene a universal C-norm on the Hecke algebra H( ; 0). If is a semidirect product of a normal subgroup NExpand
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REPRESENTATIONS AND AUTOMORPHISMS OF THE IRRATIONAL ROTATION ALGEBRA
Given an irrational number «, Aa is the unique C*-algebra generated by two unitary operators, U and V, satisfying the twisted commutation relation UV= exp(2 πia)VU. We investigate separableExpand
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ENDOMORPHISMS OF TYPE I VON NEUMANN ALGEBRAS WITH DISCRETE CENTER
A version of Cuntz-Krieger algebras associated with infinite, possibly infinite valued matrices with any number of zero entries correspond to C ⁄ -algebras of directed graphs with any number ofExpand
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TOPOLOGICAL QUIVERS AS MULTIPLICITY FREE RELATIONS
For a $C^*$-correspondence $\mathcal{E}$ over a $C^*$-algebra $A$ the restricted correspondence $\mathcal{R}(\mathcal{E})$ over the ideal $I=\overline{\langle\mathcal{E},\mathcal{E}\rangle}$ of $A$Expand
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/^-GROUPS OF SOLENOIDAL ALGEBRAS I
Multiplication by x determines an automorphism of the compact dualgroupof A^ = Z[x, x~1]/(g) for j e Z[x]. We determine the AT-groups of the C*-algebra associated with this dynamical system if g isExpand
IRRATIONAL ROTATION ALGEBRA
Ordered -Semigroups and a C -Correspondence for a Partial Isometry ?
Certain -semigroups are associated with the universal C -algebra generated by a partial isometry, which is itself the universal C -algebra of a -semigroup. A fundamental role for a -structure on aExpand
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The isolated ideal of a correspondence associated with a topological quiver
For a general C*-correspondence E a canonical saturated invariant ideal, on which the correspondence is not supported, is identified. The quotient correspondence is formed and the Cuntz-PimsnerExpand
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