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For a bounded operator T on a separable infinite-dimensional Banach space X, we give a "random" criterion not involving ergodic theory which implies that T is frequently hypercyclic: there exists a vector x such that for every non-empty open subset U of X, the set of integers n such that Tⁿx belongs to U, has positive lower density. This gives a connection between two different methods for obtaining the frequent hypercyclicity of operators.
Sophie Grivaux. "A probabilistic version of the Frequent Hypercyclicity Criterion." Studia Mathematica 176.3 (2006): 279-290. <http://eudml.org/doc/284406>.
@article{SophieGrivaux2006, abstract = {For a bounded operator T on a separable infinite-dimensional Banach space X, we give a "random" criterion not involving ergodic theory which implies that T is frequently hypercyclic: there exists a vector x such that for every non-empty open subset U of X, the set of integers n such that Tⁿx belongs to U, has positive lower density. This gives a connection between two different methods for obtaining the frequent hypercyclicity of operators.}, author = {Sophie Grivaux}, journal = {Studia Mathematica}, keywords = {linear dynamical systems; frequently hypercyclic operators; frequent hypercyclicity criterion; Gaussian mesures; Gaussian sums of Banach spaces}, language = {eng}, number = {3}, pages = {279-290}, title = {A probabilistic version of the Frequent Hypercyclicity Criterion}, url = {http://eudml.org/doc/284406}, volume = {176}, year = {2006}, }
TY - JOUR AU - Sophie Grivaux TI - A probabilistic version of the Frequent Hypercyclicity Criterion JO - Studia Mathematica PY - 2006 VL - 176 IS - 3 SP - 279 EP - 290 AB - For a bounded operator T on a separable infinite-dimensional Banach space X, we give a "random" criterion not involving ergodic theory which implies that T is frequently hypercyclic: there exists a vector x such that for every non-empty open subset U of X, the set of integers n such that Tⁿx belongs to U, has positive lower density. This gives a connection between two different methods for obtaining the frequent hypercyclicity of operators. LA - eng KW - linear dynamical systems; frequently hypercyclic operators; frequent hypercyclicity criterion; Gaussian mesures; Gaussian sums of Banach spaces UR - http://eudml.org/doc/284406 ER -