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Densely hereditarily hypercyclic sequences and large hypercyclic manifolds
Authors:Luis Bernal-Gonzá  lez
Affiliation:Departamento de Análisis Matemático, Facultad de Matemáticas, Universidad de Sevilla, Apdo. 1160, Sevilla 41080, Spain
Abstract:We prove in this paper that if $(T_{n})$ is a hereditarily hypercyclic sequence of continuous linear mappings between two topological vector spaces $X$ and $Y$, where $Y$ is metrizable, then there is an infinite-dimensional linear submanifold $M$ of $X$ such that each non-zero vector of $M$ is hypercyclic for $(T_{n})$. If, in addition, $X$ is metrizable and separable and $(T_{n})$ is densely hereditarily hypercyclic, then $M$ can be chosen dense.

Keywords:Hypercyclic vector   linear operator   densely hereditarily hypercyclic sequence   infinite-dimensional manifold   dense manifold   metrizable topological vector space   entire function of subexponential type   Runge domain   infinite order linear differential operator
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