Hostname: page-component-cd9895bd7-lnqnp Total loading time: 0 Render date: 2024-12-26T17:57:47.274Z Has data issue: false hasContentIssue false

You can see the arrows in a quiver operator algebra

Published online by Cambridge University Press:  09 April 2009

Baruch Solel
Affiliation:
Department of Mathematics, Technion, Haifa 32000, Israel e-mail: [email protected]
Rights & Permissions [Opens in a new window]

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

We prove that two quiver operator algebras can be isometrically isomorphic only if the quivers (=directed graphs) are isomorphic. We also show how the graph can be recovered from certain representations of the algebra.

Type
Research Article
Copyright
Copyright © Australian Mathematical Society 2004

References

[1]Arazy, J. and Solel, B., ‘Isometries of non-self-adjoint operator algebras’, J. Funct. Anal. 90 (1990), 284305.CrossRefGoogle Scholar
[2]Arveson, W. B., ‘Operator algebras and measure preserving automorphisms’, Acta Math. 118 (1967), 95109.CrossRefGoogle Scholar
[3]Baillet, M., Denizeau, Y. and Havet, J.-F., ‘Indice d'une esperance conditionnelle’, Comp. Math. 66 (1988), 199236.Google Scholar
[4]Brenken, B., ‘C*-algebras of infinite graphs and Cuntz-Krieger algebras’, Canad. Math. Bull. 45 (2002), 321336.CrossRefGoogle Scholar
[5]Cuntz, J. and Krieger, W., ‘A class of C*-algebras and topological Markov chains’, Invent. Math. 56 (1980), 251268.CrossRefGoogle Scholar
[6]Davidson, K. R. and Pitts, D. R., ‘The algebraic structure of noncommutative analytic Toeplitz algebras’, Math. Ann. 311 (1998), 275303.CrossRefGoogle Scholar
[7]Exel, R. and Laca, M., ‘Cuntz-Krieger algebras for infinite matrices’, J. Reine Angew. Math 512 (1999), 119172.CrossRefGoogle Scholar
[8]Kribs, D. W. and Power, S. C., ‘Free semigroupoid algebras’, preprint.Google Scholar
[9]Kumjian, A., Pask, D. and Raeburn, I., ‘Cuntz-Krieger algebras of directed graphs’, Pacific J. Math. 184 (1998), 161174.CrossRefGoogle Scholar
[10]Lance, E. C., Hilbert C*-modules—a toolkit for operator algebraists, London Math. Soc. Lecture Notes (Cambridge Univ. Press, Cambridge, UK, 1995).CrossRefGoogle Scholar
[11]Muhly, P. S. and Solel, B., ‘The curvature and index of completely positive maps’, Proc. London Math. Soc. (3) 87 (2003), 748778.CrossRefGoogle Scholar
[12]Muhly, P. S. and Solel, B., ‘Tensor algebras over C*-correspondences (representations, dilations and C*-envelopes)’, J. Funct. Anal. 158 (1998), 389457.CrossRefGoogle Scholar
[13]Laca, M., Fowler, N. and Raeburn, I., ‘The C*-algebras of infinite graphs’, Proc. Amer. Math. Soc. 128 (2000), 23192327.Google Scholar
[14]Popescu, G., ‘von Neumann inequality for (B(ℋ))1’, Math. Scand. 68 (1991), 292304.CrossRefGoogle Scholar
[15]Popescu, G., ‘Non commutative disc algebras and their representations’, Proc. Amer. Math. Soc. 124 (1996), 21372148.CrossRefGoogle Scholar