Geodesic
The structure of $C^*$-subalgebras of the Toeplitz algebra fixed with respect to a~finite group of automorphisms
Izvestiâ vysših učebnyh zavedenij. Matematika, no. 6 (2015), pp. 14-23.

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In this paper we study the $C^*$-subalgebras of the Toeplitz algebra $\mathcal T$, each element of which is fixed relative to finite subgroup of automorphisms of the algebra $\mathcal T$. We prove that such subalgebras have a finite family of unitarily equivalent irreducible representations.
Mots-clés : index of monomial
Keywords: Toeplitz algebra, irreducible representation, $C^*$-algebra, bicyclic semigroup. 
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E. V. Lipacheva; K. G. Ovsepyan. The structure of $C^*$-subalgebras of the Toeplitz algebra fixed with respect to a~finite group of automorphisms. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 6 (2015), pp. 14-23. http://geodesic.mathdoc.fr/item/IVM_2015_6_a2/

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