"THE JACOBSON RADICAL FOR ANALYTIC CROSSED PRODUCTS" by Allan P. Donsig, Aristides Katavolos et al.

Mathematics, Department of

 

Document Type

Article

Date of this Version

2001

Citation

Journal of Functional Analysis. 2000 Math.

Comments

Primary: 47L65; Secondary: 46H10, 46K50.

Abstract

We characterise the Jacobson radical of an analytic crossed product C0(X) ×Ø Zd+, answering a question first raised by Arveson and Josephson in 1969. In fact, we characterise the Jacobson radical of analytic crossed products C0(X) ×Ø Zd+. This consists of all elements whose ‘Fourier coefficients’ vanish on the recurrent points of the dynamical system (and the first one is zero). The multi-dimensional version requires a variation of the notion of recurrence, taking into account the various degrees of freedom.

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