Non-finite dimensional closed vector spaces of universal functions for composition operators
Journal of Approximation Theory
Maximal cluster sets along arbitrary curves
Journal of Approximation Theory
Simultaneously maximal radial cluster sets
Journal of Approximation Theory
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Let (@f"n) be a sequence of holomorphic self-maps of a Jordan domain G in the complex plane. Under appropriate conditions on (@f"n), we construct an H(G)-dense linear manifold-as well as a closed infinite-dimensional linear manifold-all of whose non-zero functions have H(G)-dense orbits under the action of a sequence of composition operators associated with (@f"n). Simultaneously, these functions also present maximal cluster sets along each member of a large class of curves in G tending to the boundary.