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math.FA2023
Orthogonality of invariant measures for weighted shifts
Sophie Grivaux, Etienne Matheron, Quentin Menet
We introduce and study the notion of orthogonality for two operators in the context of weighted backward shifts on , . Two continuous linear o…
math.FA2023★ 9 cited
Two remarks on the set of recurrent vectors
Antoni López-Martínez, Quentin Menet
We solve in the negative two open problems, related to the linear and topological structure of the set of recurrent vectors, asked by Sophie Grivaux, Alfred Peris and the first aut…