Mathematics – Functional Analysis
Scientific paper
2010-02-19
Mathematics
Functional Analysis
18 pages, 2 figures
Scientific paper
Motivated by the Invariant Subspace Problem, we describe explicitly the closed subspace $H^2$ generated by the limit points in the $H^2$ norm of the orbit of a thin Blaschke product $B$ under composition operators $C_\phi$ induced by non-elliptic automorphisms. This description exhibits a surprising connection to model spaces. Finally, we give a constructive characterization of the $C_\phi$-eigenfunctions in $H^p$ for $1\le p\le \infty$.
Gallardo-Gutiérrez Eva A.
Gorkin Pamela
Suárez Daniel
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