The spectrum of some compressions of unilateral shifts.
Langue
en
Article de revue
Ce document a été publié dans
St. Petersburg Mathematical Journal. 2008, vol. 20, n° 5, p. 82-97
American Mathematical Society
Résumé en anglais
We show that the spectrum of the compression of some unilateral weighted shifts introduced in 1974 by N.K. Nikolskii reduces to {1}.
Mots clés en anglais
unilateral shift
z-invariant subspace
spctrum
non quasi analyticity