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EnglishThe classical spaces $\ell^{p+}$, $1\leq p<\infty$, and $L^{p−}$, $1<p\leq\infty$, are countably normed, reflexive Fréchet spaces in which the Cesàro operator C acts continuously. A detailed investigation is made of various operator theoretic properties of C (e.g., spectrum, point spectrum, mean ergodicity) as well as certain aspects concerning the dynamics of C (e.g., hypercyclic, supercyclic, chaos). This complements the results of [3, 4], where C was studied in the spaces ${\mathbb C}^{\mathbb N}$, $L^p_{loc}({\mathbb R}^+)$ for $1<p<\infty$ and $C({\mathbb R}^+)$, which belong to a very different collection of Fréchet spaces, called quojections; these are automatically Banach spaces whenever they admit a continuous norm.
| Titolo: | The Cesàro operator in the Fréchet spaces $\ell^{p+}$ and $L^{p-}$ | |
| Autori: | ||
| Data di pubblicazione: | 2017 | |
| Rivista: | ||
| Abstract: | The classical spaces $\ell^{p+}$, $1\leq p<\infty$, and $L^{p−}$, $1<p\leq\infty$, are countably normed, reflexive Fréchet spaces in which the Cesàro operator C acts continuously. A detailed investigation is made of various operator theoretic properties of C (e.g., spectrum, point spectrum, mean ergodicity) as well as certain aspects concerning the dynamics of C (e.g., hypercyclic, supercyclic, chaos). This complements the results of [3, 4], where C was studied in the spaces ${\mathbb C}^{\mathbb N}$, $L^p_{loc}({\mathbb R}^+)$ for $1<p<\infty$ and $C({\mathbb R}^+)$, which belong to a very different collection of Fréchet spaces, called quojections; these are automatically Banach spaces whenever they admit a continuous norm. | |
| Handle: | http://hdl.handle.net/11587/414466 | |
| Appare nelle tipologie: | Articolo pubblicato su Rivista |
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